./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--amd--amdkfd--amdkfd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--amd--amdkfd--amdkfd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8 --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 813a63e0f349f91d9e54dbf7457f9814054131e6c1498f51194ed448e03f3c13 --- 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-e04fb08 [2022-11-16 12:47:37,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:47:37,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:47:37,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:47:37,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:47:37,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:47:37,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:47:37,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:47:37,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:47:37,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:47:37,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:47:37,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:47:37,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:47:37,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:47:37,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:47:37,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:47:37,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:47:37,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:47:37,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:47:37,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:47:37,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:47:37,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:47:37,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:47:37,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:47:37,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:47:37,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:47:37,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:47:37,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:47:37,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:47:37,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:47:37,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:47:37,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:47:37,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:47:37,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:47:37,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:47:37,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:47:37,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:47:37,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:47:37,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:47:37,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:47:37,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:47:37,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:47:37,748 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:47:37,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:47:37,749 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:47:37,749 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:47:37,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:47:37,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:47:37,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:47:37,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:47:37,752 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:47:37,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:47:37,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:47:37,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:47:37,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:47:37,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:47:37,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:47:37,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:47:37,755 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:47:37,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:47:37,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:47:37,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:47:37,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:47:37,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:47:37,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:47:37,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:47:37,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:47:37,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:47:37,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:47:37,757 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:47:37,758 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:47:37,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:47:37,758 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_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 813a63e0f349f91d9e54dbf7457f9814054131e6c1498f51194ed448e03f3c13 [2022-11-16 12:47:38,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:47:38,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:47:38,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:47:38,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:47:38,099 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:47:38,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--amd--amdkfd--amdkfd.ko-entry_point.cil.out.i [2022-11-16 12:47:38,203 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/data/de9360d63/4cad56114cac4d53b9cfaafaf79cdd16/FLAG287830b5f [2022-11-16 12:47:39,562 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:47:39,563 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--amd--amdkfd--amdkfd.ko-entry_point.cil.out.i [2022-11-16 12:47:39,654 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/data/de9360d63/4cad56114cac4d53b9cfaafaf79cdd16/FLAG287830b5f [2022-11-16 12:47:40,052 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/data/de9360d63/4cad56114cac4d53b9cfaafaf79cdd16 [2022-11-16 12:47:40,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:47:40,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:47:40,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:47:40,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:47:40,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:47:40,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:47:40" (1/1) ... [2022-11-16 12:47:40,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb4a3af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:40, skipping insertion in model container [2022-11-16 12:47:40,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:47:40" (1/1) ... [2022-11-16 12:47:40,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:47:40,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:47:50,979 WARN L229 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_18d05b86-5107-4e8e-87a0-f0b759a9096d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--amd--amdkfd--amdkfd.ko-entry_point.cil.out.i[871607,871620] [2022-11-16 12:47:51,865 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-16 12:47:51,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:47:51,949 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:47:53,036 WARN L229 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_18d05b86-5107-4e8e-87a0-f0b759a9096d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--amd--amdkfd--amdkfd.ko-entry_point.cil.out.i[871607,871620] [2022-11-16 12:47:53,060 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-16 12:47:53,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:47:53,607 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:47:53,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:53 WrapperNode [2022-11-16 12:47:53,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:47:53,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:47:53,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:47:53,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:47:53,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:53" (1/1) ... [2022-11-16 12:47:53,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:53" (1/1) ... [2022-11-16 12:47:54,585 INFO L138 Inliner]: procedures = 1022, calls = 13417, calls flagged for inlining = 403, calls inlined = 383, statements flattened = 21973 [2022-11-16 12:47:54,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:47:54,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:47:54,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:47:54,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:47:54,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:53" (1/1) ... [2022-11-16 12:47:54,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:53" (1/1) ... [2022-11-16 12:47:54,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:53" (1/1) ... [2022-11-16 12:47:54,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:53" (1/1) ... [2022-11-16 12:47:55,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:53" (1/1) ... [2022-11-16 12:47:55,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:53" (1/1) ... [2022-11-16 12:47:55,618 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:53" (1/1) ... [2022-11-16 12:47:55,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:53" (1/1) ... [2022-11-16 12:47:55,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:47:55,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:47:55,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:47:55,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:47:55,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:53" (1/1) ... [2022-11-16 12:47:56,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:47:56,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:47:56,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:47:56,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:47:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_event [2022-11-16 12:47:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_event [2022-11-16 12:47:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-16 12:47:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure build_pm4_header [2022-11-16 12:47:56,186 INFO L138 BoogieDeclarations]: Found implementation of procedure build_pm4_header [2022-11-16 12:47:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~X~$Pointer$~TO~int [2022-11-16 12:47:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~X~$Pointer$~TO~int [2022-11-16 12:47:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure deallocate_sdma_queue [2022-11-16 12:47:56,187 INFO L138 BoogieDeclarations]: Found implementation of procedure deallocate_sdma_queue [2022-11-16 12:47:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure process_srcu [2022-11-16 12:47:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure process_srcu [2022-11-16 12:47:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-16 12:47:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-16 12:47:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_wave_control_set_registers [2022-11-16 12:47:56,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_wave_control_set_registers [2022-11-16 12:47:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure kgd2kfd_device_exit [2022-11-16 12:47:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kgd2kfd_device_exit [2022-11-16 12:47:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2022-11-16 12:47:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2022-11-16 12:47:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-16 12:47:56,203 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-16 12:47:56,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~~uint32_t~0~X~~uint32_t~0~TO~int [2022-11-16 12:47:56,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~~uint32_t~0~X~~uint32_t~0~TO~int [2022-11-16 12:47:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_dbg_unrgesiter [2022-11-16 12:47:56,204 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_dbg_unrgesiter [2022-11-16 12:47:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure cik_event_interrupt_isr [2022-11-16 12:47:56,204 INFO L138 BoogieDeclarations]: Found implementation of procedure cik_event_interrupt_isr [2022-11-16 12:47:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure initialize [2022-11-16 12:47:56,204 INFO L138 BoogieDeclarations]: Found implementation of procedure initialize [2022-11-16 12:47:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure lookup_event_by_id [2022-11-16 12:47:56,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup_event_by_id [2022-11-16 12:47:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure pm_send_set_resources [2022-11-16 12:47:56,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_send_set_resources [2022-11-16 12:47:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure device_queue_manager_uninit [2022-11-16 12:47:56,205 INFO L138 BoogieDeclarations]: Found implementation of procedure device_queue_manager_uninit [2022-11-16 12:47:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure print_queue [2022-11-16 12:47:56,206 INFO L138 BoogieDeclarations]: Found implementation of procedure print_queue [2022-11-16 12:47:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sdma_queues [2022-11-16 12:47:56,206 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sdma_queues [2022-11-16 12:47:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure program_sh_mem_settings [2022-11-16 12:47:56,206 INFO L138 BoogieDeclarations]: Found implementation of procedure program_sh_mem_settings [2022-11-16 12:47:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_address_watch_diq [2022-11-16 12:47:56,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_address_watch_diq [2022-11-16 12:47:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure pqm_uninit [2022-11-16 12:47:56,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pqm_uninit [2022-11-16 12:47:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure get_pipes_num_cpsch [2022-11-16 12:47:56,207 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pipes_num_cpsch [2022-11-16 12:47:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_gtt_sa_allocate [2022-11-16 12:47:56,208 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_gtt_sa_allocate [2022-11-16 12:47:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure interrupt_is_wanted [2022-11-16 12:47:56,208 INFO L138 BoogieDeclarations]: Found implementation of procedure interrupt_is_wanted [2022-11-16 12:47:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2022-11-16 12:47:56,208 INFO L130 BoogieDeclarations]: Found specification of procedure sysprops_show [2022-11-16 12:47:56,209 INFO L138 BoogieDeclarations]: Found implementation of procedure sysprops_show [2022-11-16 12:47:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pasid_mutex [2022-11-16 12:47:56,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pasid_mutex [2022-11-16 12:47:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 12:47:56,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 12:47:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_dbgmgr_unregister [2022-11-16 12:47:56,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_dbgmgr_unregister [2022-11-16 12:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-16 12:47:56,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-16 12:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_kfd_process [2022-11-16 12:47:56,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_kfd_process [2022-11-16 12:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure deallocate_vmid [2022-11-16 12:47:56,211 INFO L138 BoogieDeclarations]: Found implementation of procedure deallocate_vmid [2022-11-16 12:47:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure create_queue_cpsch [2022-11-16 12:47:56,211 INFO L138 BoogieDeclarations]: Found implementation of procedure create_queue_cpsch [2022-11-16 12:47:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_get_process [2022-11-16 12:47:56,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_get_process [2022-11-16 12:47:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_signal_event_interrupt [2022-11-16 12:47:56,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_signal_event_interrupt [2022-11-16 12:47:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure amd_iommu_set_invalidate_ctx_cb [2022-11-16 12:47:56,212 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_iommu_set_invalidate_ctx_cb [2022-11-16 12:47:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2022-11-16 12:47:56,212 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2022-11-16 12:47:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_wave_control_diq [2022-11-16 12:47:56,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_wave_control_diq [2022-11-16 12:47:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:47:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure pm_send_query_status [2022-11-16 12:47:56,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_send_query_status [2022-11-16 12:47:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure pm_create_map_queue [2022-11-16 12:47:56,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_create_map_queue [2022-11-16 12:47:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-16 12:47:56,214 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-16 12:47:56,214 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2022-11-16 12:47:56,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2022-11-16 12:47:56,214 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_queue_cpsch [2022-11-16 12:47:56,214 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_queue_cpsch [2022-11-16 12:47:56,214 INFO L130 BoogieDeclarations]: Found specification of procedure get_mqd [2022-11-16 12:47:56,215 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mqd [2022-11-16 12:47:56,215 INFO L130 BoogieDeclarations]: Found specification of procedure iolink_show [2022-11-16 12:47:56,215 INFO L138 BoogieDeclarations]: Found implementation of procedure iolink_show [2022-11-16 12:47:56,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 12:47:56,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 12:47:56,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:47:56,215 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-16 12:47:56,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-16 12:47:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:47:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:47:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 12:47:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_dbg_wave_control [2022-11-16 12:47:56,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_dbg_wave_control [2022-11-16 12:47:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure get_sh_mem_bases_32 [2022-11-16 12:47:56,217 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sh_mem_bases_32 [2022-11-16 12:47:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_create_and_add [2022-11-16 12:47:56,217 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_create_and_add [2022-11-16 12:47:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure pm_release_ib [2022-11-16 12:47:56,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_release_ib [2022-11-16 12:47:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-16 12:47:56,218 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-16 12:47:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure init_mqd_hiq [2022-11-16 12:47:56,218 INFO L138 BoogieDeclarations]: Found implementation of procedure init_mqd_hiq [2022-11-16 12:47:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint8_t~0~TO~~bool~0 [2022-11-16 12:47:56,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint8_t~0~TO~~bool~0 [2022-11-16 12:47:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_kfd_processes_mutex [2022-11-16 12:47:56,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_kfd_processes_mutex [2022-11-16 12:47:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure mmu_notifier_unregister_no_release [2022-11-16 12:47:56,219 INFO L138 BoogieDeclarations]: Found implementation of procedure mmu_notifier_unregister_no_release [2022-11-16 12:47:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_NOT_ARG_SIGN [2022-11-16 12:47:56,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_NOT_ARG_SIGN [2022-11-16 12:47:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_packet_manager [2022-11-16 12:47:56,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_packet_manager [2022-11-16 12:47:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_gtt_sa_lock_of_kfd_dev [2022-11-16 12:47:56,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_gtt_sa_lock_of_kfd_dev [2022-11-16 12:47:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 12:47:56,220 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 12:47:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_kernel_queue_cpsch [2022-11-16 12:47:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_kernel_queue_cpsch [2022-11-16 12:47:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_diq_submit_ib [2022-11-16 12:47:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_diq_submit_ib [2022-11-16 12:47:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:47:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:47:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 12:47:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 12:47:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_kfd_processes_mutex [2022-11-16 12:47:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_kfd_processes_mutex [2022-11-16 12:47:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure mem_show [2022-11-16 12:47:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mem_show [2022-11-16 12:47:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_dbgmgr_wave_control [2022-11-16 12:47:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_dbgmgr_wave_control [2022-11-16 12:47:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_remove_sysfs_node_tree [2022-11-16 12:47:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_remove_sysfs_node_tree [2022-11-16 12:47:56,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_event_mutex_of_kfd_process [2022-11-16 12:47:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_event_mutex_of_kfd_process [2022-11-16 12:47:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 12:47:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure init_pipelines [2022-11-16 12:47:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pipelines [2022-11-16 12:47:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-16 12:47:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-16 12:47:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure get_mqd_type_from_queue_type [2022-11-16 12:47:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mqd_type_from_queue_type [2022-11-16 12:47:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure pm_init [2022-11-16 12:47:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_init [2022-11-16 12:47:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure pqm_destroy_queue [2022-11-16 12:47:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pqm_destroy_queue [2022-11-16 12:47:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_free_slot [2022-11-16 12:47:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_free_slot [2022-11-16 12:47:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure uninit_queue [2022-11-16 12:47:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure uninit_queue [2022-11-16 12:47:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 12:47:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 12:47:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 12:47:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 12:47:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_queue_init [2022-11-16 12:47:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_queue_init [2022-11-16 12:47:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_NOT_ARG_SIGN [2022-11-16 12:47:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_NOT_ARG_SIGN [2022-11-16 12:47:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 12:47:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 12:47:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_doorbell_mutex_of_kfd_dev [2022-11-16 12:47:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_doorbell_mutex_of_kfd_dev [2022-11-16 12:47:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_notify_gpu_change [2022-11-16 12:47:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_notify_gpu_change [2022-11-16 12:47:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure inc_wptr [2022-11-16 12:47:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_wptr [2022-11-16 12:47:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~~uint32_t~0 [2022-11-16 12:47:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~~uint32_t~0 [2022-11-16 12:47:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-16 12:47:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-16 12:47:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-16 12:47:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-16 12:47:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_to_ns [2022-11-16 12:47:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_to_ns [2022-11-16 12:47:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure create_sdma_queue_nocpsch [2022-11-16 12:47:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sdma_queue_nocpsch [2022-11-16 12:47:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:47:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 12:47:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 12:47:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_read_lock [2022-11-16 12:47:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_read_lock [2022-11-16 12:47:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_memory_policy [2022-11-16 12:47:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_memory_policy [2022-11-16 12:47:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_remove_sysfs_file [2022-11-16 12:47:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_remove_sysfs_file [2022-11-16 12:47:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-16 12:47:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-16 12:47:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:47:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_pasid_exit [2022-11-16 12:47:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_pasid_exit [2022-11-16 12:47:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2022-11-16 12:47:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2022-11-16 12:47:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-16 12:47:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-16 12:47:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure create_compute_queue_nocpsch [2022-11-16 12:47:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure create_compute_queue_nocpsch [2022-11-16 12:47:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-16 12:47:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-16 12:47:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 12:47:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 12:47:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-16 12:47:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-16 12:47:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_cache_show [2022-11-16 12:47:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_cache_show [2022-11-16 12:47:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure load_mqd_sdma [2022-11-16 12:47:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure load_mqd_sdma [2022-11-16 12:47:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_device_queue_manager [2022-11-16 12:47:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_device_queue_manager [2022-11-16 12:47:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_lookup_process_by_pasid [2022-11-16 12:47:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_lookup_process_by_pasid [2022-11-16 12:47:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_topology_release_sysfs [2022-11-16 12:47:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_topology_release_sysfs [2022-11-16 12:47:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-16 12:47:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-16 12:47:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure set_sched_resources [2022-11-16 12:47:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure set_sched_resources [2022-11-16 12:47:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-16 12:47:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-16 12:47:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_queues_cpsch [2022-11-16 12:47:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_queues_cpsch [2022-11-16 12:47:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-16 12:47:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-16 12:47:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~TO~int [2022-11-16 12:47:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~TO~int [2022-11-16 12:47:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_mmap [2022-11-16 12:47:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_mmap [2022-11-16 12:47:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-16 12:47:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-16 12:47:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure cik_event_interrupt_wq [2022-11-16 12:47:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure cik_event_interrupt_wq [2022-11-16 12:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_event_mutex_of_kfd_process [2022-11-16 12:47:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_event_mutex_of_kfd_process [2022-11-16 12:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_queue_nocpsch [2022-11-16 12:47:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_queue_nocpsch [2022-11-16 12:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure event_can_be_cpu_signaled [2022-11-16 12:47:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure event_can_be_cpu_signaled [2022-11-16 12:47:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure amd_iommu_init_device [2022-11-16 12:47:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_iommu_init_device [2022-11-16 12:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_dbg_address_watch [2022-11-16 12:47:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_dbg_address_watch [2022-11-16 12:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-11-16 12:47:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-11-16 12:47:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 12:47:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 12:47:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure hash_del_rcu [2022-11-16 12:47:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_del_rcu [2022-11-16 12:47:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure lookup_events_by_type_and_signal [2022-11-16 12:47:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup_events_by_type_and_signal [2022-11-16 12:47:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue_by_qid [2022-11-16 12:47:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue_by_qid [2022-11-16 12:47:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure create_queue_nocpsch [2022-11-16 12:47:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure create_queue_nocpsch [2022-11-16 12:47:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-16 12:47:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-16 12:47:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure init_mqd [2022-11-16 12:47:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure init_mqd [2022-11-16 12:47:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-16 12:47:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-16 12:47:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_unhashed [2022-11-16 12:47:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_unhashed [2022-11-16 12:47:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2022-11-16 12:47:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-11-16 12:47:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-11-16 12:47:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2022-11-16 12:47:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2022-11-16 12:47:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_topology_update_sysfs [2022-11-16 12:47:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_topology_update_sysfs [2022-11-16 12:47:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_device_queue_manager [2022-11-16 12:47:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_device_queue_manager [2022-11-16 12:47:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_queue_uninit [2022-11-16 12:47:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_queue_uninit [2022-11-16 12:47:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 12:47:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 12:47:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_read_unlock [2022-11-16 12:47:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_read_unlock [2022-11-16 12:47:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure doorbell_process_allocation [2022-11-16 12:47:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure doorbell_process_allocation [2022-11-16 12:47:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 12:47:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 12:47:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_interrupt_exit [2022-11-16 12:47:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_interrupt_exit [2022-11-16 12:47:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-16 12:47:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-16 12:47:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure register_process_nocpsch [2022-11-16 12:47:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure register_process_nocpsch [2022-11-16 12:47:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:47:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:47:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_doorbell_mutex_of_kfd_dev [2022-11-16 12:47:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_doorbell_mutex_of_kfd_dev [2022-11-16 12:47:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_dbgmgr_destroy [2022-11-16 12:47:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_dbgmgr_destroy [2022-11-16 12:47:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure pm_send_unmap_queue [2022-11-16 12:47:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_send_unmap_queue [2022-11-16 12:47:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_unregister_nodiq [2022-11-16 12:47:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_unregister_nodiq [2022-11-16 12:47:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-11-16 12:47:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-11-16 12:47:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure kgd2kfd_device_init [2022-11-16 12:47:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kgd2kfd_device_init [2022-11-16 12:47:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_topology_get_crat_acpi [2022-11-16 12:47:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_topology_get_crat_acpi [2022-11-16 12:47:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_dbgmgr_address_watch [2022-11-16 12:47:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_dbgmgr_address_watch [2022-11-16 12:47:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 12:47:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 12:47:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure uninitialize [2022-11-16 12:47:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure uninitialize [2022-11-16 12:47:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_open [2022-11-16 12:47:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_open [2022-11-16 12:47:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure make_signal_event_id [2022-11-16 12:47:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure make_signal_event_id [2022-11-16 12:47:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 12:47:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_process_notifier_release [2022-11-16 12:47:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_process_notifier_release [2022-11-16 12:47:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 12:47:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 12:47:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure init_mqd_sdma [2022-11-16 12:47:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure init_mqd_sdma [2022-11-16 12:47:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure get_pipes_num [2022-11-16 12:47:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pipes_num [2022-11-16 12:47:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:47:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure kgd2kfd_resume [2022-11-16 12:47:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kgd2kfd_resume [2022-11-16 12:47:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-11-16 12:47:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-11-16 12:47:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_create_topology_device [2022-11-16 12:47:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_create_topology_device [2022-11-16 12:47:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-16 12:47:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-16 12:47:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-16 12:47:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-16 12:47:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure node_show [2022-11-16 12:47:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure node_show [2022-11-16 12:47:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 12:47:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure create_kernel_queue_cpsch [2022-11-16 12:47:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure create_kernel_queue_cpsch [2022-11-16 12:47:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 12:47:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~bool~0 [2022-11-16 12:47:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~bool~0 [2022-11-16 12:47:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_550 [2022-11-16 12:47:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_550 [2022-11-16 12:47:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 12:47:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 12:47:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure stop_cpsch [2022-11-16 12:47:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_cpsch [2022-11-16 12:47:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-11-16 12:47:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-11-16 12:47:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pasid_mutex [2022-11-16 12:47:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pasid_mutex [2022-11-16 12:47:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure free_waiters [2022-11-16 12:47:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure free_waiters [2022-11-16 12:47:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 12:47:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 12:47:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-16 12:47:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-16 12:47:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-16 12:47:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure flush_scheduled_work [2022-11-16 12:47:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_scheduled_work [2022-11-16 12:47:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_get_process_device_data [2022-11-16 12:47:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_get_process_device_data [2022-11-16 12:47:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_update_queue [2022-11-16 12:47:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_update_queue [2022-11-16 12:47:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_get_dbgmgr_mutex [2022-11-16 12:47:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_get_dbgmgr_mutex [2022-11-16 12:47:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_destroy_queue [2022-11-16 12:47:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_destroy_queue [2022-11-16 12:47:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure pqm_create_queue [2022-11-16 12:47:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pqm_create_queue [2022-11-16 12:47:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-16 12:47:56,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-16 12:47:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure execute_queues_cpsch [2022-11-16 12:47:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure execute_queues_cpsch [2022-11-16 12:47:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure set_event_from_interrupt [2022-11-16 12:47:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure set_event_from_interrupt [2022-11-16 12:47:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-16 12:47:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-16 12:47:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_create_process [2022-11-16 12:47:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_create_process [2022-11-16 12:47:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:47:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:47:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:47:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:47:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure page_slots [2022-11-16 12:47:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure page_slots [2022-11-16 12:47:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_bind_process_to_device [2022-11-16 12:47:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_bind_process_to_device [2022-11-16 12:47:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure deallocate_hqd [2022-11-16 12:47:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure deallocate_hqd [2022-11-16 12:47:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2022-11-16 12:47:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2022-11-16 12:47:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-16 12:47:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-16 12:47:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure amd_iommu_set_invalid_ppr_cb [2022-11-16 12:47:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_iommu_set_invalid_ppr_cb [2022-11-16 12:47:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_76 [2022-11-16 12:47:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_76 [2022-11-16 12:47:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-16 12:47:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-16 12:47:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure amd_iommu_free_device [2022-11-16 12:47:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_iommu_free_device [2022-11-16 12:47:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~X~~uint64_t~0~TO~~bool~0 [2022-11-16 12:47:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~X~~uint64_t~0~TO~~bool~0 [2022-11-16 12:47:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_sh_mem_bases_nybble_64 [2022-11-16 12:47:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sh_mem_bases_nybble_64 [2022-11-16 12:47:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure set_pasid_vmid_mapping [2022-11-16 12:47:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pasid_vmid_mapping [2022-11-16 12:47:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_release_kernel_doorbell [2022-11-16 12:47:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_release_kernel_doorbell [2022-11-16 12:47:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_wave_reset_wavefronts [2022-11-16 12:47:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_wave_reset_wavefronts [2022-11-16 12:47:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_vmid [2022-11-16 12:47:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_vmid [2022-11-16 12:47:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-16 12:47:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-16 12:47:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure pm_create_runlist [2022-11-16 12:47:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_create_runlist [2022-11-16 12:47:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 12:47:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 12:47:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 12:47:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure hash_64 [2022-11-16 12:47:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_64 [2022-11-16 12:47:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure start_cpsch [2022-11-16 12:47:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cpsch [2022-11-16 12:47:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_device_by_id [2022-11-16 12:47:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_device_by_id [2022-11-16 12:47:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure init_interrupts [2022-11-16 12:47:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure init_interrupts [2022-11-16 12:47:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure amdkfd_fence_wait_timeout [2022-11-16 12:47:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure amdkfd_fence_wait_timeout [2022-11-16 12:47:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_topology_remove_device [2022-11-16 12:47:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_topology_remove_device [2022-11-16 12:47:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure update_queue [2022-11-16 12:47:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure update_queue [2022-11-16 12:47:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure load_mqd [2022-11-16 12:47:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure load_mqd [2022-11-16 12:47:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 12:47:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 12:47:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-16 12:47:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-16 12:47:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 12:47:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 12:47:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure kgd2kfd_interrupt [2022-11-16 12:47:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kgd2kfd_interrupt [2022-11-16 12:47:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_del [2022-11-16 12:47:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_del [2022-11-16 12:47:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-16 12:47:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-16 12:47:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint64_t~0 [2022-11-16 12:47:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint64_t~0 [2022-11-16 12:47:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-16 12:47:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-16 12:47:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure hash_32 [2022-11-16 12:47:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_32 [2022-11-16 12:47:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure pm_send_runlist [2022-11-16 12:47:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_send_runlist [2022-11-16 12:47:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure set_event [2022-11-16 12:47:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure set_event [2022-11-16 12:47:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-16 12:47:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-16 12:47:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:47:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2022-11-16 12:47:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2022-11-16 12:47:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_gtt_sa_lock_of_kfd_dev [2022-11-16 12:47:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_gtt_sa_lock_of_kfd_dev [2022-11-16 12:47:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_create_queue [2022-11-16 12:47:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_create_queue [2022-11-16 12:47:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure device_queue_manager_init [2022-11-16 12:47:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure device_queue_manager_init [2022-11-16 12:47:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_register_diq [2022-11-16 12:47:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_register_diq [2022-11-16 12:47:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure init_queue [2022-11-16 12:47:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure init_queue [2022-11-16 12:47:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure initialize_cpsch [2022-11-16 12:47:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure initialize_cpsch [2022-11-16 12:47:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-16 12:47:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-16 12:47:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2022-11-16 12:47:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2022-11-16 12:47:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure interrupt_wq [2022-11-16 12:47:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure interrupt_wq [2022-11-16 12:47:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure pqm_update_queue [2022-11-16 12:47:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pqm_update_queue [2022-11-16 12:47:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure find_process [2022-11-16 12:47:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure find_process [2022-11-16 12:47:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_packet_manager [2022-11-16 12:47:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_packet_manager [2022-11-16 12:47:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure create_process [2022-11-16 12:47:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure create_process [2022-11-16 12:47:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_unregister_diq [2022-11-16 12:47:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_unregister_diq [2022-11-16 12:47:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_pasid_free [2022-11-16 12:47:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_pasid_free [2022-11-16 12:47:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~~bool~0 [2022-11-16 12:47:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~~bool~0 [2022-11-16 12:47:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 12:47:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 12:47:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_gtt_sa_fini [2022-11-16 12:47:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_gtt_sa_fini [2022-11-16 12:47:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-16 12:47:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-16 12:47:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_dbg_register [2022-11-16 12:47:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_dbg_register [2022-11-16 12:47:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_chardev_exit [2022-11-16 12:47:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_chardev_exit [2022-11-16 12:47:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-11-16 12:47:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-11-16 12:47:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_address_watch_disable_nodiq [2022-11-16 12:47:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_address_watch_disable_nodiq [2022-11-16 12:47:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_address_watch_set_registers [2022-11-16 12:47:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_address_watch_set_registers [2022-11-16 12:47:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_release_topology_device [2022-11-16 12:47:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_release_topology_device [2022-11-16 12:47:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-16 12:47:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-16 12:47:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2022-11-16 12:47:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2022-11-16 12:47:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-16 12:47:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-16 12:47:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl [2022-11-16 12:47:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl [2022-11-16 12:47:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2022-11-16 12:47:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2022-11-16 12:47:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure pm_uninit [2022-11-16 12:47:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_uninit [2022-11-16 12:47:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-11-16 12:47:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-11-16 12:47:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-16 12:47:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-16 12:47:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_kfd_process [2022-11-16 12:47:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_kfd_process [2022-11-16 12:47:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_gtt_sa_free [2022-11-16 12:47:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_gtt_sa_free [2022-11-16 12:47:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_remove_sysfs_node_entry [2022-11-16 12:47:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_remove_sysfs_node_entry [2022-11-16 12:47:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-16 12:47:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-16 12:47:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_process_wq_release [2022-11-16 12:47:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_process_wq_release [2022-11-16 12:47:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure get_first_pipe [2022-11-16 12:47:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure get_first_pipe [2022-11-16 12:47:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 12:47:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 12:47:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:47:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-16 12:47:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-16 12:47:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure kgd2kfd_suspend [2022-11-16 12:47:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure kgd2kfd_suspend [2022-11-16 12:47:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_dbgmgr_register [2022-11-16 12:47:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_dbgmgr_register [2022-11-16 12:47:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_release_live_view [2022-11-16 12:47:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_release_live_view [2022-11-16 12:47:58,818 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:47:58,825 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:47:59,280 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 12:49:16,760 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:49:16,942 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:49:16,942 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:49:16,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:49:16 BoogieIcfgContainer [2022-11-16 12:49:16,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:49:16,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:49:16,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:49:16,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:49:16,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:47:40" (1/3) ... [2022-11-16 12:49:16,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec34aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:49:16, skipping insertion in model container [2022-11-16 12:49:16,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:47:53" (2/3) ... [2022-11-16 12:49:16,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec34aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:49:16, skipping insertion in model container [2022-11-16 12:49:16,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:49:16" (3/3) ... [2022-11-16 12:49:16,965 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--amd--amdkfd--amdkfd.ko-entry_point.cil.out.i [2022-11-16 12:49:16,989 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:49:16,989 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:49:17,185 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:49:17,195 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;@74587d18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:49:17,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:49:17,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 5973 states, 4166 states have (on average 1.327412385981757) internal successors, (5530), 4263 states have internal predecessors, (5530), 1536 states have call successors, (1536), 270 states have call predecessors, (1536), 269 states have return successors, (1524), 1516 states have call predecessors, (1524), 1524 states have call successors, (1524) [2022-11-16 12:49:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-16 12:49:17,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:49:17,251 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:49:17,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:49:17,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:49:17,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1504831071, now seen corresponding path program 1 times [2022-11-16 12:49:17,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:49:17,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740758823] [2022-11-16 12:49:17,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:49:17,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:49:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:18,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:49:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:18,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:49:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:18,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:18,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:18,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:49:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:19,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:49:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:49:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:49:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:49:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:49:19,112 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-16 12:49:19,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:49:19,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740758823] [2022-11-16 12:49:19,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740758823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:49:19,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:49:19,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:49:19,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936263168] [2022-11-16 12:49:19,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:49:19,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:49:19,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:49:19,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:49:19,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:49:19,183 INFO L87 Difference]: Start difference. First operand has 5973 states, 4166 states have (on average 1.327412385981757) internal successors, (5530), 4263 states have internal predecessors, (5530), 1536 states have call successors, (1536), 270 states have call predecessors, (1536), 269 states have return successors, (1524), 1516 states have call predecessors, (1524), 1524 states have call successors, (1524) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:49:25,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 12:49:27,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 12:49:28,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 12:49:32,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 12:49:45,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:49:48,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:49:53,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:49:57,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:50:00,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:50:02,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:50:04,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:50:07,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:50:18,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:50:20,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:50:23,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:50:30,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:50:37,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:50:40,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:50:42,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:50:44,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:50:44,226 INFO L93 Difference]: Finished difference Result 12921 states and 19341 transitions. [2022-11-16 12:50:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:50:44,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 89 [2022-11-16 12:50:44,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:50:44,310 INFO L225 Difference]: With dead ends: 12921 [2022-11-16 12:50:44,310 INFO L226 Difference]: Without dead ends: 6793 [2022-11-16 12:50:44,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:50:44,371 INFO L413 NwaCegarLoop]: 7379 mSDtfsCounter, 3602 mSDsluCounter, 8152 mSDsCounter, 0 mSdLazyCounter, 6376 mSolverCounterSat, 3729 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4045 SdHoareTripleChecker+Valid, 15531 SdHoareTripleChecker+Invalid, 10116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3729 IncrementalHoareTripleChecker+Valid, 6376 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:50:44,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4045 Valid, 15531 Invalid, 10116 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3729 Valid, 6376 Invalid, 11 Unknown, 0 Unchecked, 83.9s Time] [2022-11-16 12:50:44,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6793 states. [2022-11-16 12:50:45,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6793 to 5818. [2022-11-16 12:50:45,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5818 states, 4025 states have (on average 1.3011180124223602) internal successors, (5237), 4108 states have internal predecessors, (5237), 1524 states have call successors, (1524), 269 states have call predecessors, (1524), 268 states have return successors, (1494), 1486 states have call predecessors, (1494), 1494 states have call successors, (1494) [2022-11-16 12:50:45,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5818 states to 5818 states and 8255 transitions. [2022-11-16 12:50:45,130 INFO L78 Accepts]: Start accepts. Automaton has 5818 states and 8255 transitions. Word has length 89 [2022-11-16 12:50:45,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:50:45,131 INFO L495 AbstractCegarLoop]: Abstraction has 5818 states and 8255 transitions. [2022-11-16 12:50:45,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:50:45,132 INFO L276 IsEmpty]: Start isEmpty. Operand 5818 states and 8255 transitions. [2022-11-16 12:50:45,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-16 12:50:45,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:50:45,143 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:45,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:50:45,144 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:50:45,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:45,145 INFO L85 PathProgramCache]: Analyzing trace with hash 779153689, now seen corresponding path program 1 times [2022-11-16 12:50:45,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:45,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771184323] [2022-11-16 12:50:45,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:45,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:47,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:50:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:47,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:50:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:47,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:50:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:47,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:50:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:47,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:50:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:50:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:47,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:50:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:47,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:50:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:47,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:50:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:50:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:47,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:50:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:47,617 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-16 12:50:47,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:50:47,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771184323] [2022-11-16 12:50:47,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771184323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:50:47,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:50:47,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:50:47,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237128816] [2022-11-16 12:50:47,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:50:47,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:50:47,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:50:47,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:50:47,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:50:47,622 INFO L87 Difference]: Start difference. First operand 5818 states and 8255 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:50:55,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 12:51:02,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:13,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:14,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:15,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:20,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:23,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:28,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:36,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:39,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:43,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:48,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:51,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:52,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:55,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:51:58,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:52:04,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:52:16,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:52:18,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:52:27,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:52:34,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:52:41,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:52:43,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:52:45,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:52:51,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:52:51,718 INFO L93 Difference]: Finished difference Result 18810 states and 27356 transitions. [2022-11-16 12:52:51,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:52:51,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 89 [2022-11-16 12:52:51,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:52:51,811 INFO L225 Difference]: With dead ends: 18810 [2022-11-16 12:52:51,812 INFO L226 Difference]: Without dead ends: 13007 [2022-11-16 12:52:51,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:52:51,843 INFO L413 NwaCegarLoop]: 8943 mSDtfsCounter, 13404 mSDsluCounter, 14012 mSDsCounter, 0 mSdLazyCounter, 12067 mSolverCounterSat, 8370 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 116.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14860 SdHoareTripleChecker+Valid, 22955 SdHoareTripleChecker+Invalid, 20452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 8370 IncrementalHoareTripleChecker+Valid, 12067 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:52:51,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14860 Valid, 22955 Invalid, 20452 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [8370 Valid, 12067 Invalid, 15 Unknown, 0 Unchecked, 122.5s Time] [2022-11-16 12:52:51,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13007 states. [2022-11-16 12:52:52,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13007 to 11076. [2022-11-16 12:52:52,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11076 states, 7653 states have (on average 1.2959623676989416) internal successors, (9918), 7782 states have internal predecessors, (9918), 2893 states have call successors, (2893), 526 states have call predecessors, (2893), 529 states have return successors, (2870), 2849 states have call predecessors, (2870), 2863 states have call successors, (2870) [2022-11-16 12:52:52,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11076 states to 11076 states and 15681 transitions. [2022-11-16 12:52:52,780 INFO L78 Accepts]: Start accepts. Automaton has 11076 states and 15681 transitions. Word has length 89 [2022-11-16 12:52:52,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:52:52,784 INFO L495 AbstractCegarLoop]: Abstraction has 11076 states and 15681 transitions. [2022-11-16 12:52:52,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:52:52,784 INFO L276 IsEmpty]: Start isEmpty. Operand 11076 states and 15681 transitions. [2022-11-16 12:52:52,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-16 12:52:52,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:52:52,791 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:52:52,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:52:52,791 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:52:52,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:52,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1956773771, now seen corresponding path program 1 times [2022-11-16 12:52:52,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:52,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989317550] [2022-11-16 12:52:52,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:52,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:54,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:52:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:54,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:52:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:54,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:52:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:54,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:52:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:54,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:52:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:54,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:52:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:54,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:52:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:54,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:52:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:54,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:52:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:52:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:54,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:52:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-16 12:52:54,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:54,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989317550] [2022-11-16 12:52:54,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989317550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:54,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:54,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:52:54,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121922100] [2022-11-16 12:52:54,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:54,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:52:54,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:54,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:52:54,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:52:54,693 INFO L87 Difference]: Start difference. First operand 11076 states and 15681 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:53:01,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 12:53:03,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 12:53:11,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:53:24,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:53:27,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:53:31,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:53:36,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:53:40,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:53:45,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:53:49,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:53:52,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:53:58,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:54:07,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:54:11,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:54:17,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:54:23,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:54:32,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 12:54:35,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:54:39,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:54:50,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:54:50,556 INFO L93 Difference]: Finished difference Result 36412 states and 52520 transitions. [2022-11-16 12:54:50,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:54:50,557 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 90 [2022-11-16 12:54:50,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:54:50,738 INFO L225 Difference]: With dead ends: 36412 [2022-11-16 12:54:50,738 INFO L226 Difference]: Without dead ends: 25351 [2022-11-16 12:54:50,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:54:50,815 INFO L413 NwaCegarLoop]: 8098 mSDtfsCounter, 13725 mSDsluCounter, 13458 mSDsCounter, 0 mSdLazyCounter, 12231 mSolverCounterSat, 8812 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15181 SdHoareTripleChecker+Valid, 21556 SdHoareTripleChecker+Invalid, 21055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 8812 IncrementalHoareTripleChecker+Valid, 12231 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 113.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:54:50,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15181 Valid, 21556 Invalid, 21055 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [8812 Valid, 12231 Invalid, 12 Unknown, 0 Unchecked, 113.9s Time] [2022-11-16 12:54:50,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25351 states. [2022-11-16 12:54:52,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25351 to 21566. [2022-11-16 12:54:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21566 states, 14896 states have (on average 1.29390440386681) internal successors, (19274), 15117 states have internal predecessors, (19274), 5619 states have call successors, (5619), 1039 states have call predecessors, (5619), 1050 states have return successors, (5654), 5563 states have call predecessors, (5654), 5589 states have call successors, (5654) [2022-11-16 12:54:53,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21566 states to 21566 states and 30547 transitions. [2022-11-16 12:54:53,123 INFO L78 Accepts]: Start accepts. Automaton has 21566 states and 30547 transitions. Word has length 90 [2022-11-16 12:54:53,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:54:53,124 INFO L495 AbstractCegarLoop]: Abstraction has 21566 states and 30547 transitions. [2022-11-16 12:54:53,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:54:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 21566 states and 30547 transitions. [2022-11-16 12:54:53,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-16 12:54:53,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:54:53,130 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:54:53,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:54:53,131 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:54:53,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:54:53,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1555641925, now seen corresponding path program 1 times [2022-11-16 12:54:53,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:54:53,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508708228] [2022-11-16 12:54:53,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:54:53,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:54:53,558 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:54:53,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1647761752] [2022-11-16 12:54:53,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:54:53,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:54:53,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:54:53,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:54:53,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:54:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:54:58,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 12978 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:54:58,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:54:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-16 12:54:58,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:54:58,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:54:58,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508708228] [2022-11-16 12:54:58,499 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:54:58,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647761752] [2022-11-16 12:54:58,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647761752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:54:58,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:54:58,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:54:58,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43994764] [2022-11-16 12:54:58,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:54:58,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:54:58,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:54:58,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:54:58,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:54:58,502 INFO L87 Difference]: Start difference. First operand 21566 states and 30547 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-16 12:55:00,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:55:00,134 INFO L93 Difference]: Finished difference Result 63698 states and 92055 transitions. [2022-11-16 12:55:00,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:55:00,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 105 [2022-11-16 12:55:00,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:55:00,407 INFO L225 Difference]: With dead ends: 63698 [2022-11-16 12:55:00,407 INFO L226 Difference]: Without dead ends: 42147 [2022-11-16 12:55:00,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:55:00,562 INFO L413 NwaCegarLoop]: 9873 mSDtfsCounter, 8166 mSDsluCounter, 7452 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8166 SdHoareTripleChecker+Valid, 17325 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:55:00,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8166 Valid, 17325 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:55:00,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42147 states. [2022-11-16 12:55:04,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42147 to 42072. [2022-11-16 12:55:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42072 states, 29071 states have (on average 1.2924563998486465) internal successors, (37573), 29480 states have internal predecessors, (37573), 10921 states have call successors, (10921), 2051 states have call predecessors, (10921), 2079 states have return successors, (11607), 10838 states have call predecessors, (11607), 10888 states have call successors, (11607) [2022-11-16 12:55:05,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42072 states to 42072 states and 60101 transitions. [2022-11-16 12:55:05,347 INFO L78 Accepts]: Start accepts. Automaton has 42072 states and 60101 transitions. Word has length 105 [2022-11-16 12:55:05,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:55:05,348 INFO L495 AbstractCegarLoop]: Abstraction has 42072 states and 60101 transitions. [2022-11-16 12:55:05,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-16 12:55:05,349 INFO L276 IsEmpty]: Start isEmpty. Operand 42072 states and 60101 transitions. [2022-11-16 12:55:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-16 12:55:05,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:55:05,354 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:55:05,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:55:05,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:55:05,578 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:55:05,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:55:05,578 INFO L85 PathProgramCache]: Analyzing trace with hash 977717441, now seen corresponding path program 1 times [2022-11-16 12:55:05,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:55:05,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046553228] [2022-11-16 12:55:05,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:55:05,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:55:06,147 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:55:06,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1848139761] [2022-11-16 12:55:06,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:55:06,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:55:06,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:55:06,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:55:06,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:55:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:10,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 12980 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:55:10,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:55:10,568 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-16 12:55:10,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:55:10,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:55:10,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046553228] [2022-11-16 12:55:10,569 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:55:10,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848139761] [2022-11-16 12:55:10,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848139761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:55:10,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:55:10,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:55:10,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250113321] [2022-11-16 12:55:10,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:55:10,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:55:10,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:55:10,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:55:10,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:55:10,573 INFO L87 Difference]: Start difference. First operand 42072 states and 60101 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-16 12:55:11,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:55:11,986 INFO L93 Difference]: Finished difference Result 42172 states and 60167 transitions. [2022-11-16 12:55:11,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:55:11,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 106 [2022-11-16 12:55:11,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:55:12,257 INFO L225 Difference]: With dead ends: 42172 [2022-11-16 12:55:12,258 INFO L226 Difference]: Without dead ends: 42168 [2022-11-16 12:55:12,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:55:12,281 INFO L413 NwaCegarLoop]: 8247 mSDtfsCounter, 8147 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8147 SdHoareTripleChecker+Valid, 8278 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:55:12,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8147 Valid, 8278 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:55:12,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42168 states. [2022-11-16 12:55:15,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42168 to 42166. [2022-11-16 12:55:15,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42166 states, 29135 states have (on average 1.291505062639437) internal successors, (37628), 29542 states have internal predecessors, (37628), 10919 states have call successors, (10919), 2083 states have call predecessors, (10919), 2111 states have return successors, (11607), 10838 states have call predecessors, (11607), 10888 states have call successors, (11607) [2022-11-16 12:55:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42166 states to 42166 states and 60154 transitions. [2022-11-16 12:55:15,612 INFO L78 Accepts]: Start accepts. Automaton has 42166 states and 60154 transitions. Word has length 106 [2022-11-16 12:55:15,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:55:15,614 INFO L495 AbstractCegarLoop]: Abstraction has 42166 states and 60154 transitions. [2022-11-16 12:55:15,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-16 12:55:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 42166 states and 60154 transitions. [2022-11-16 12:55:15,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-16 12:55:15,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:55:15,623 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:55:15,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:55:15,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:55:15,851 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:55:15,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:55:15,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1530496385, now seen corresponding path program 1 times [2022-11-16 12:55:15,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:55:15,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770578377] [2022-11-16 12:55:15,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:55:15,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:55:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:55:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:55:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:55:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:55:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:55:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:55:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:55:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:55:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:55:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:55:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:55:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 12:55:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-16 12:55:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 12:55:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:55:17,614 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-16 12:55:17,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:55:17,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770578377] [2022-11-16 12:55:17,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770578377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:55:17,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:55:17,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:55:17,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621952106] [2022-11-16 12:55:17,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:55:17,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:55:17,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:55:17,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:55:17,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:55:17,617 INFO L87 Difference]: Start difference. First operand 42166 states and 60154 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 12:55:25,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 12:55:27,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 12:55:39,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:55:45,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:55:47,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:55:52,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:55:54,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:00,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:02,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:04,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:06,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:11,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:15,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:19,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:25,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:27,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:40,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:48,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:52,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:55,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:56:58,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:57:12,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:57:14,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:57:16,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:57:24,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:57:30,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:57:32,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:57:35,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:57:50,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:57:53,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:57:57,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:58:00,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:58:07,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:58:09,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:58:09,924 INFO L93 Difference]: Finished difference Result 141144 states and 205076 transitions. [2022-11-16 12:58:09,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:58:09,925 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 113 [2022-11-16 12:58:09,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:58:10,697 INFO L225 Difference]: With dead ends: 141144 [2022-11-16 12:58:10,697 INFO L226 Difference]: Without dead ends: 98993 [2022-11-16 12:58:10,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:58:10,913 INFO L413 NwaCegarLoop]: 12492 mSDtfsCounter, 13295 mSDsluCounter, 18350 mSDsCounter, 0 mSdLazyCounter, 13318 mSolverCounterSat, 9146 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 159.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14764 SdHoareTripleChecker+Valid, 30842 SdHoareTripleChecker+Invalid, 22487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 9146 IncrementalHoareTripleChecker+Valid, 13318 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 166.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:58:10,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14764 Valid, 30842 Invalid, 22487 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [9146 Valid, 13318 Invalid, 23 Unknown, 0 Unchecked, 166.2s Time] [2022-11-16 12:58:11,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98993 states. [2022-11-16 12:58:18,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98993 to 88038. [2022-11-16 12:58:18,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88038 states, 60800 states have (on average 1.288486842105263) internal successors, (78340), 61710 states have internal predecessors, (78340), 22473 states have call successors, (22473), 4162 states have call predecessors, (22473), 4764 states have return successors, (25905), 22809 states have call predecessors, (25905), 22442 states have call successors, (25905) [2022-11-16 12:58:19,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88038 states to 88038 states and 126718 transitions. [2022-11-16 12:58:19,241 INFO L78 Accepts]: Start accepts. Automaton has 88038 states and 126718 transitions. Word has length 113 [2022-11-16 12:58:19,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:58:19,242 INFO L495 AbstractCegarLoop]: Abstraction has 88038 states and 126718 transitions. [2022-11-16 12:58:19,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 12:58:19,242 INFO L276 IsEmpty]: Start isEmpty. Operand 88038 states and 126718 transitions. [2022-11-16 12:58:19,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-16 12:58:19,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:58:19,254 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:58:19,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:58:19,255 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:58:19,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:58:19,255 INFO L85 PathProgramCache]: Analyzing trace with hash 386496440, now seen corresponding path program 1 times [2022-11-16 12:58:19,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:58:19,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261178022] [2022-11-16 12:58:19,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:58:19,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:58:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:58:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:58:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:58:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:58:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:58:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:58:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:58:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 12:58:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:58:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:58:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:58:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:58:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:58:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:58:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:20,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-16 12:58:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:21,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:58:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:21,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:58:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:21,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:58:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:58:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-16 12:58:21,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:58:21,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261178022] [2022-11-16 12:58:21,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261178022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:58:21,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:58:21,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:58:21,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849994870] [2022-11-16 12:58:21,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:58:21,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:58:21,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:58:21,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:58:21,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:58:21,047 INFO L87 Difference]: Start difference. First operand 88038 states and 126718 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 12:58:28,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 12:58:50,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:59:00,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:59:10,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:59:11,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:59:16,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:59:21,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:59:24,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:59:28,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:59:32,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:59:35,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:59:39,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:59:42,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:59:46,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:59:48,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 13:00:09,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 13:00:15,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 13:00:27,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 13:00:30,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 13:00:32,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 13:00:42,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 13:00:44,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 13:00:52,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 13:00:56,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 13:00:58,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 13:01:04,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 13:01:04,820 INFO L93 Difference]: Finished difference Result 236776 states and 344616 transitions. [2022-11-16 13:01:04,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 13:01:04,820 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 124 [2022-11-16 13:01:04,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 13:01:05,733 INFO L225 Difference]: With dead ends: 236776 [2022-11-16 13:01:05,734 INFO L226 Difference]: Without dead ends: 148753 [2022-11-16 13:01:06,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 13:01:06,447 INFO L413 NwaCegarLoop]: 12609 mSDtfsCounter, 11654 mSDsluCounter, 19502 mSDsCounter, 0 mSdLazyCounter, 14303 mSolverCounterSat, 6610 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 147.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13131 SdHoareTripleChecker+Valid, 32111 SdHoareTripleChecker+Invalid, 20931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6610 IncrementalHoareTripleChecker+Valid, 14303 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 154.5s IncrementalHoareTripleChecker+Time [2022-11-16 13:01:06,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13131 Valid, 32111 Invalid, 20931 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6610 Valid, 14303 Invalid, 18 Unknown, 0 Unchecked, 154.5s Time] [2022-11-16 13:01:06,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148753 states. [2022-11-16 13:01:17,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148753 to 132260. [2022-11-16 13:01:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132260 states, 91377 states have (on average 1.2888363592588945) internal successors, (117770), 92735 states have internal predecessors, (117770), 33742 states have call successors, (33742), 6246 states have call predecessors, (33742), 7140 states have return successors, (38919), 34254 states have call predecessors, (38919), 33711 states have call successors, (38919) [2022-11-16 13:01:18,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132260 states to 132260 states and 190431 transitions. [2022-11-16 13:01:19,031 INFO L78 Accepts]: Start accepts. Automaton has 132260 states and 190431 transitions. Word has length 124 [2022-11-16 13:01:19,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 13:01:19,032 INFO L495 AbstractCegarLoop]: Abstraction has 132260 states and 190431 transitions. [2022-11-16 13:01:19,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 13:01:19,033 INFO L276 IsEmpty]: Start isEmpty. Operand 132260 states and 190431 transitions. [2022-11-16 13:01:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-16 13:01:19,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 13:01:19,037 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 13:01:19,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 13:01:19,038 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 13:01:19,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 13:01:19,039 INFO L85 PathProgramCache]: Analyzing trace with hash 241932488, now seen corresponding path program 1 times [2022-11-16 13:01:19,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 13:01:19,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232387371] [2022-11-16 13:01:19,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:01:19,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 13:01:19,441 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 13:01:19,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1073465955] [2022-11-16 13:01:19,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 13:01:19,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 13:01:19,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 13:01:19,446 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 13:01:19,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18d05b86-5107-4e8e-87a0-f0b759a9096d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process