./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/config/TaipanReach.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_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI --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 Taipan --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-5e519f3 [2022-11-03 03:38:17,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:38:17,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:38:17,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:38:17,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:38:17,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:38:17,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:38:17,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:38:17,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:38:17,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:38:17,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:38:17,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:38:17,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:38:17,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:38:17,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:38:17,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:38:17,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:38:17,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:38:17,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:38:17,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:38:17,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:38:17,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:38:17,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:38:17,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:38:17,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:38:17,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:38:17,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:38:17,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:38:17,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:38:17,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:38:17,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:38:17,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:38:17,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:38:17,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:38:17,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:38:17,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:38:17,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:38:17,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:38:17,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:38:17,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:38:17,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:38:17,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:38:17,822 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:38:17,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:38:17,823 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:38:17,823 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:38:17,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:38:17,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:38:17,824 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:38:17,825 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:38:17,825 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:38:17,825 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:38:17,825 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:38:17,826 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:38:17,826 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:38:17,826 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:38:17,827 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:38:17,827 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:38:17,827 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:38:17,827 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:38:17,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:38:17,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:38:17,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:38:17,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:38:17,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:38:17,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:38:17,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:38:17,830 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:38:17,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:38:17,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:38:17,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:38:17,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:38:17,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:38:17,832 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:38:17,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:38:17,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:38:17,833 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:38:17,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:38:17,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:38:17,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:38:17,834 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_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 813a63e0f349f91d9e54dbf7457f9814054131e6c1498f51194ed448e03f3c13 [2022-11-03 03:38:18,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:38:18,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:38:18,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:38:18,104 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:38:18,105 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:38:18,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/../../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 [2022-11-03 03:38:18,178 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/data/23121fd03/3d69a7ca9ae2424bab64eef169a98751/FLAGb62bc35a8 [2022-11-03 03:38:19,309 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:38:19,310 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/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 [2022-11-03 03:38:19,378 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/data/23121fd03/3d69a7ca9ae2424bab64eef169a98751/FLAGb62bc35a8 [2022-11-03 03:38:19,515 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/data/23121fd03/3d69a7ca9ae2424bab64eef169a98751 [2022-11-03 03:38:19,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:38:19,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:38:19,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:38:19,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:38:19,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:38:19,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:38:19" (1/1) ... [2022-11-03 03:38:19,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b16f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:19, skipping insertion in model container [2022-11-03 03:38:19,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:38:19" (1/1) ... [2022-11-03 03:38:19,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:38:19,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:38:28,329 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/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] [2022-11-03 03:38:29,142 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-03 03:38:29,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:38:29,209 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:38:30,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/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] [2022-11-03 03:38:30,197 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-03 03:38:30,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:38:30,599 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:38:30,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:30 WrapperNode [2022-11-03 03:38:30,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:38:30,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:38:30,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:38:30,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:38:30,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:30" (1/1) ... [2022-11-03 03:38:30,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:30" (1/1) ... [2022-11-03 03:38:31,598 INFO L138 Inliner]: procedures = 1022, calls = 13337, calls flagged for inlining = 403, calls inlined = 383, statements flattened = 21885 [2022-11-03 03:38:31,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:38:31,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:38:31,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:38:31,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:38:31,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:30" (1/1) ... [2022-11-03 03:38:31,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:30" (1/1) ... [2022-11-03 03:38:31,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:30" (1/1) ... [2022-11-03 03:38:31,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:30" (1/1) ... [2022-11-03 03:38:32,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:30" (1/1) ... [2022-11-03 03:38:32,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:30" (1/1) ... [2022-11-03 03:38:32,577 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:30" (1/1) ... [2022-11-03 03:38:32,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:30" (1/1) ... [2022-11-03 03:38:32,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:38:32,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:38:32,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:38:32,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:38:32,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:30" (1/1) ... [2022-11-03 03:38:32,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:38:32,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:38:32,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:38:32,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:38:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_event [2022-11-03 03:38:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_event [2022-11-03 03:38:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-03 03:38:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure build_pm4_header [2022-11-03 03:38:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure build_pm4_header [2022-11-03 03:38:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~X~$Pointer$~TO~int [2022-11-03 03:38:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~X~$Pointer$~TO~int [2022-11-03 03:38:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure deallocate_sdma_queue [2022-11-03 03:38:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure deallocate_sdma_queue [2022-11-03 03:38:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure process_srcu [2022-11-03 03:38:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure process_srcu [2022-11-03 03:38:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:38:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:38:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_wave_control_set_registers [2022-11-03 03:38:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_wave_control_set_registers [2022-11-03 03:38:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure kgd2kfd_device_exit [2022-11-03 03:38:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kgd2kfd_device_exit [2022-11-03 03:38:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2022-11-03 03:38:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2022-11-03 03:38:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 03:38:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 03:38:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~~uint32_t~0~X~~uint32_t~0~TO~int [2022-11-03 03:38:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~~uint32_t~0~X~~uint32_t~0~TO~int [2022-11-03 03:38:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_dbg_unrgesiter [2022-11-03 03:38:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_dbg_unrgesiter [2022-11-03 03:38:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure cik_event_interrupt_isr [2022-11-03 03:38:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure cik_event_interrupt_isr [2022-11-03 03:38:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure initialize [2022-11-03 03:38:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure initialize [2022-11-03 03:38:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure lookup_event_by_id [2022-11-03 03:38:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup_event_by_id [2022-11-03 03:38:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure pm_send_set_resources [2022-11-03 03:38:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_send_set_resources [2022-11-03 03:38:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure device_queue_manager_uninit [2022-11-03 03:38:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure device_queue_manager_uninit [2022-11-03 03:38:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure print_queue [2022-11-03 03:38:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure print_queue [2022-11-03 03:38:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sdma_queues [2022-11-03 03:38:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sdma_queues [2022-11-03 03:38:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure program_sh_mem_settings [2022-11-03 03:38:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure program_sh_mem_settings [2022-11-03 03:38:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_address_watch_diq [2022-11-03 03:38:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_address_watch_diq [2022-11-03 03:38:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure pqm_uninit [2022-11-03 03:38:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pqm_uninit [2022-11-03 03:38:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure get_pipes_num_cpsch [2022-11-03 03:38:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pipes_num_cpsch [2022-11-03 03:38:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_gtt_sa_allocate [2022-11-03 03:38:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_gtt_sa_allocate [2022-11-03 03:38:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure interrupt_is_wanted [2022-11-03 03:38:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure interrupt_is_wanted [2022-11-03 03:38:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2022-11-03 03:38:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure sysprops_show [2022-11-03 03:38:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure sysprops_show [2022-11-03 03:38:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pasid_mutex [2022-11-03 03:38:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pasid_mutex [2022-11-03 03:38:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 03:38:32,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 03:38:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_dbgmgr_unregister [2022-11-03 03:38:32,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_dbgmgr_unregister [2022-11-03 03:38:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:38:32,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:38:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_kfd_process [2022-11-03 03:38:32,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_kfd_process [2022-11-03 03:38:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure deallocate_vmid [2022-11-03 03:38:32,848 INFO L138 BoogieDeclarations]: Found implementation of procedure deallocate_vmid [2022-11-03 03:38:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure create_queue_cpsch [2022-11-03 03:38:32,849 INFO L138 BoogieDeclarations]: Found implementation of procedure create_queue_cpsch [2022-11-03 03:38:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_get_process [2022-11-03 03:38:32,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_get_process [2022-11-03 03:38:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_signal_event_interrupt [2022-11-03 03:38:32,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_signal_event_interrupt [2022-11-03 03:38:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure amd_iommu_set_invalidate_ctx_cb [2022-11-03 03:38:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_iommu_set_invalidate_ctx_cb [2022-11-03 03:38:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_zero_bit [2022-11-03 03:38:32,850 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_zero_bit [2022-11-03 03:38:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_wave_control_diq [2022-11-03 03:38:32,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_wave_control_diq [2022-11-03 03:38:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:38:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure pm_send_query_status [2022-11-03 03:38:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_send_query_status [2022-11-03 03:38:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure pm_create_map_queue [2022-11-03 03:38:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_create_map_queue [2022-11-03 03:38:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 03:38:32,852 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 03:38:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2022-11-03 03:38:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2022-11-03 03:38:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_queue_cpsch [2022-11-03 03:38:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_queue_cpsch [2022-11-03 03:38:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure get_mqd [2022-11-03 03:38:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mqd [2022-11-03 03:38:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure iolink_show [2022-11-03 03:38:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure iolink_show [2022-11-03 03:38:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 03:38:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 03:38:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:38:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 03:38:32,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 03:38:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:38:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:38:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 03:38:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_dbg_wave_control [2022-11-03 03:38:32,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_dbg_wave_control [2022-11-03 03:38:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure get_sh_mem_bases_32 [2022-11-03 03:38:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sh_mem_bases_32 [2022-11-03 03:38:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_create_and_add [2022-11-03 03:38:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_create_and_add [2022-11-03 03:38:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure pm_release_ib [2022-11-03 03:38:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_release_ib [2022-11-03 03:38:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-03 03:38:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-03 03:38:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure init_mqd_hiq [2022-11-03 03:38:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure init_mqd_hiq [2022-11-03 03:38:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint8_t~0~TO~~bool~0 [2022-11-03 03:38:32,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint8_t~0~TO~~bool~0 [2022-11-03 03:38:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_kfd_processes_mutex [2022-11-03 03:38:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_kfd_processes_mutex [2022-11-03 03:38:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure mmu_notifier_unregister_no_release [2022-11-03 03:38:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mmu_notifier_unregister_no_release [2022-11-03 03:38:32,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_NOT_ARG_SIGN [2022-11-03 03:38:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_NOT_ARG_SIGN [2022-11-03 03:38:32,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_packet_manager [2022-11-03 03:38:32,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_packet_manager [2022-11-03 03:38:32,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_gtt_sa_lock_of_kfd_dev [2022-11-03 03:38:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_gtt_sa_lock_of_kfd_dev [2022-11-03 03:38:32,871 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 03:38:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 03:38:32,871 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_kernel_queue_cpsch [2022-11-03 03:38:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_kernel_queue_cpsch [2022-11-03 03:38:32,871 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_diq_submit_ib [2022-11-03 03:38:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_diq_submit_ib [2022-11-03 03:38:32,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:38:32,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:38:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 03:38:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 03:38:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_kfd_processes_mutex [2022-11-03 03:38:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_kfd_processes_mutex [2022-11-03 03:38:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure mem_show [2022-11-03 03:38:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mem_show [2022-11-03 03:38:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_dbgmgr_wave_control [2022-11-03 03:38:32,872 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_dbgmgr_wave_control [2022-11-03 03:38:32,872 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_remove_sysfs_node_tree [2022-11-03 03:38:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_remove_sysfs_node_tree [2022-11-03 03:38:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_event_mutex_of_kfd_process [2022-11-03 03:38:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_event_mutex_of_kfd_process [2022-11-03 03:38:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:38:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure init_pipelines [2022-11-03 03:38:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure init_pipelines [2022-11-03 03:38:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 03:38:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 03:38:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure get_mqd_type_from_queue_type [2022-11-03 03:38:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mqd_type_from_queue_type [2022-11-03 03:38:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure pm_init [2022-11-03 03:38:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_init [2022-11-03 03:38:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure pqm_destroy_queue [2022-11-03 03:38:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure pqm_destroy_queue [2022-11-03 03:38:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_free_slot [2022-11-03 03:38:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_free_slot [2022-11-03 03:38:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure uninit_queue [2022-11-03 03:38:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure uninit_queue [2022-11-03 03:38:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 03:38:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 03:38:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:38:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:38:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_queue_init [2022-11-03 03:38:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_queue_init [2022-11-03 03:38:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_NOT_ARG_SIGN [2022-11-03 03:38:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_NOT_ARG_SIGN [2022-11-03 03:38:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:38:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:38:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_doorbell_mutex_of_kfd_dev [2022-11-03 03:38:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_doorbell_mutex_of_kfd_dev [2022-11-03 03:38:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_notify_gpu_change [2022-11-03 03:38:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_notify_gpu_change [2022-11-03 03:38:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure inc_wptr [2022-11-03 03:38:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_wptr [2022-11-03 03:38:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~~uint32_t~0 [2022-11-03 03:38:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~~uint32_t~0 [2022-11-03 03:38:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 03:38:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 03:38:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-03 03:38:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-03 03:38:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_to_ns [2022-11-03 03:38:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_to_ns [2022-11-03 03:38:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure create_sdma_queue_nocpsch [2022-11-03 03:38:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sdma_queue_nocpsch [2022-11-03 03:38:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:38:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 03:38:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 03:38:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_read_lock [2022-11-03 03:38:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_read_lock [2022-11-03 03:38:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_memory_policy [2022-11-03 03:38:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_memory_policy [2022-11-03 03:38:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_remove_sysfs_file [2022-11-03 03:38:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_remove_sysfs_file [2022-11-03 03:38:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 03:38:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 03:38:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:38:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_pasid_exit [2022-11-03 03:38:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_pasid_exit [2022-11-03 03:38:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2022-11-03 03:38:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2022-11-03 03:38:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-03 03:38:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-03 03:38:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure create_compute_queue_nocpsch [2022-11-03 03:38:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure create_compute_queue_nocpsch [2022-11-03 03:38:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-03 03:38:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-03 03:38:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:38:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:38:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-03 03:38:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-03 03:38:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_cache_show [2022-11-03 03:38:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_cache_show [2022-11-03 03:38:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure load_mqd_sdma [2022-11-03 03:38:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure load_mqd_sdma [2022-11-03 03:38:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_device_queue_manager [2022-11-03 03:38:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_device_queue_manager [2022-11-03 03:38:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_lookup_process_by_pasid [2022-11-03 03:38:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_lookup_process_by_pasid [2022-11-03 03:38:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_topology_release_sysfs [2022-11-03 03:38:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_topology_release_sysfs [2022-11-03 03:38:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 03:38:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 03:38:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure set_sched_resources [2022-11-03 03:38:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure set_sched_resources [2022-11-03 03:38:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-03 03:38:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-03 03:38:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_queues_cpsch [2022-11-03 03:38:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_queues_cpsch [2022-11-03 03:38:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 03:38:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 03:38:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~TO~int [2022-11-03 03:38:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~TO~int [2022-11-03 03:38:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_mmap [2022-11-03 03:38:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_mmap [2022-11-03 03:38:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-03 03:38:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-03 03:38:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure cik_event_interrupt_wq [2022-11-03 03:38:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure cik_event_interrupt_wq [2022-11-03 03:38:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_event_mutex_of_kfd_process [2022-11-03 03:38:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_event_mutex_of_kfd_process [2022-11-03 03:38:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_queue_nocpsch [2022-11-03 03:38:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_queue_nocpsch [2022-11-03 03:38:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure event_can_be_cpu_signaled [2022-11-03 03:38:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure event_can_be_cpu_signaled [2022-11-03 03:38:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure amd_iommu_init_device [2022-11-03 03:38:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_iommu_init_device [2022-11-03 03:38:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_dbg_address_watch [2022-11-03 03:38:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_dbg_address_watch [2022-11-03 03:38:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:38:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-11-03 03:38:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-11-03 03:38:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:38:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:38:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure hash_del_rcu [2022-11-03 03:38:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_del_rcu [2022-11-03 03:38:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure lookup_events_by_type_and_signal [2022-11-03 03:38:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup_events_by_type_and_signal [2022-11-03 03:38:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue_by_qid [2022-11-03 03:38:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue_by_qid [2022-11-03 03:38:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure create_queue_nocpsch [2022-11-03 03:38:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure create_queue_nocpsch [2022-11-03 03:38:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-03 03:38:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-03 03:38:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure init_mqd [2022-11-03 03:38:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure init_mqd [2022-11-03 03:38:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-03 03:38:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-03 03:38:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_unhashed [2022-11-03 03:38:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_unhashed [2022-11-03 03:38:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2022-11-03 03:38:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-11-03 03:38:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-11-03 03:38:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2022-11-03 03:38:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2022-11-03 03:38:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_topology_update_sysfs [2022-11-03 03:38:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_topology_update_sysfs [2022-11-03 03:38:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_device_queue_manager [2022-11-03 03:38:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_device_queue_manager [2022-11-03 03:38:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_queue_uninit [2022-11-03 03:38:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_queue_uninit [2022-11-03 03:38:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 03:38:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 03:38:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure srcu_read_unlock [2022-11-03 03:38:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure srcu_read_unlock [2022-11-03 03:38:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure doorbell_process_allocation [2022-11-03 03:38:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure doorbell_process_allocation [2022-11-03 03:38:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:38:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:38:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_interrupt_exit [2022-11-03 03:38:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_interrupt_exit [2022-11-03 03:38:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 03:38:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 03:38:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure register_process_nocpsch [2022-11-03 03:38:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure register_process_nocpsch [2022-11-03 03:38:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:38:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:38:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_doorbell_mutex_of_kfd_dev [2022-11-03 03:38:32,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_doorbell_mutex_of_kfd_dev [2022-11-03 03:38:32,895 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_dbgmgr_destroy [2022-11-03 03:38:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_dbgmgr_destroy [2022-11-03 03:38:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure pm_send_unmap_queue [2022-11-03 03:38:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_send_unmap_queue [2022-11-03 03:38:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_unregister_nodiq [2022-11-03 03:38:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_unregister_nodiq [2022-11-03 03:38:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-11-03 03:38:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-11-03 03:38:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure kgd2kfd_device_init [2022-11-03 03:38:32,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kgd2kfd_device_init [2022-11-03 03:38:32,896 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_topology_get_crat_acpi [2022-11-03 03:38:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_topology_get_crat_acpi [2022-11-03 03:38:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_dbgmgr_address_watch [2022-11-03 03:38:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_dbgmgr_address_watch [2022-11-03 03:38:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 03:38:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 03:38:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure uninitialize [2022-11-03 03:38:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure uninitialize [2022-11-03 03:38:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_open [2022-11-03 03:38:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_open [2022-11-03 03:38:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure make_signal_event_id [2022-11-03 03:38:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure make_signal_event_id [2022-11-03 03:38:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 03:38:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_process_notifier_release [2022-11-03 03:38:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_process_notifier_release [2022-11-03 03:38:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 03:38:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 03:38:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure init_mqd_sdma [2022-11-03 03:38:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure init_mqd_sdma [2022-11-03 03:38:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure get_pipes_num [2022-11-03 03:38:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pipes_num [2022-11-03 03:38:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:38:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure kgd2kfd_resume [2022-11-03 03:38:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kgd2kfd_resume [2022-11-03 03:38:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-11-03 03:38:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-11-03 03:38:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_create_topology_device [2022-11-03 03:38:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_create_topology_device [2022-11-03 03:38:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-03 03:38:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-03 03:38:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 03:38:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 03:38:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure node_show [2022-11-03 03:38:32,900 INFO L138 BoogieDeclarations]: Found implementation of procedure node_show [2022-11-03 03:38:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:38:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure create_kernel_queue_cpsch [2022-11-03 03:38:32,900 INFO L138 BoogieDeclarations]: Found implementation of procedure create_kernel_queue_cpsch [2022-11-03 03:38:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:38:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~bool~0 [2022-11-03 03:38:32,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~bool~0 [2022-11-03 03:38:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_550 [2022-11-03 03:38:32,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_550 [2022-11-03 03:38:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:38:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:38:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure stop_cpsch [2022-11-03 03:38:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_cpsch [2022-11-03 03:38:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-11-03 03:38:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-11-03 03:38:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pasid_mutex [2022-11-03 03:38:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pasid_mutex [2022-11-03 03:38:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure free_waiters [2022-11-03 03:38:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure free_waiters [2022-11-03 03:38:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 03:38:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 03:38:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-03 03:38:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-03 03:38:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-03 03:38:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure flush_scheduled_work [2022-11-03 03:38:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_scheduled_work [2022-11-03 03:38:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_get_process_device_data [2022-11-03 03:38:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_get_process_device_data [2022-11-03 03:38:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_update_queue [2022-11-03 03:38:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_update_queue [2022-11-03 03:38:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_get_dbgmgr_mutex [2022-11-03 03:38:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_get_dbgmgr_mutex [2022-11-03 03:38:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_destroy_queue [2022-11-03 03:38:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_destroy_queue [2022-11-03 03:38:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure pqm_create_queue [2022-11-03 03:38:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pqm_create_queue [2022-11-03 03:38:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:38:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:38:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure execute_queues_cpsch [2022-11-03 03:38:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure execute_queues_cpsch [2022-11-03 03:38:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure set_event_from_interrupt [2022-11-03 03:38:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure set_event_from_interrupt [2022-11-03 03:38:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-03 03:38:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-03 03:38:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_create_process [2022-11-03 03:38:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_create_process [2022-11-03 03:38:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:38:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:38:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:38:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:38:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure page_slots [2022-11-03 03:38:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure page_slots [2022-11-03 03:38:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_bind_process_to_device [2022-11-03 03:38:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_bind_process_to_device [2022-11-03 03:38:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure deallocate_hqd [2022-11-03 03:38:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure deallocate_hqd [2022-11-03 03:38:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure remap_pfn_range [2022-11-03 03:38:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_pfn_range [2022-11-03 03:38:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 03:38:32,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 03:38:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure amd_iommu_set_invalid_ppr_cb [2022-11-03 03:38:32,906 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_iommu_set_invalid_ppr_cb [2022-11-03 03:38:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_76 [2022-11-03 03:38:32,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_76 [2022-11-03 03:38:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-03 03:38:32,906 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-03 03:38:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure amd_iommu_free_device [2022-11-03 03:38:32,906 INFO L138 BoogieDeclarations]: Found implementation of procedure amd_iommu_free_device [2022-11-03 03:38:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~X~~uint64_t~0~TO~~bool~0 [2022-11-03 03:38:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~$Pointer$~X~~uint64_t~0~TO~~bool~0 [2022-11-03 03:38:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure get_sh_mem_bases_nybble_64 [2022-11-03 03:38:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sh_mem_bases_nybble_64 [2022-11-03 03:38:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure set_pasid_vmid_mapping [2022-11-03 03:38:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pasid_vmid_mapping [2022-11-03 03:38:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_release_kernel_doorbell [2022-11-03 03:38:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_release_kernel_doorbell [2022-11-03 03:38:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_wave_reset_wavefronts [2022-11-03 03:38:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_wave_reset_wavefronts [2022-11-03 03:38:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_vmid [2022-11-03 03:38:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_vmid [2022-11-03 03:38:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-03 03:38:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-03 03:38:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure pm_create_runlist [2022-11-03 03:38:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_create_runlist [2022-11-03 03:38:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:38:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:38:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:38:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure hash_64 [2022-11-03 03:38:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_64 [2022-11-03 03:38:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure start_cpsch [2022-11-03 03:38:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cpsch [2022-11-03 03:38:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_device_by_id [2022-11-03 03:38:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_device_by_id [2022-11-03 03:38:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure init_interrupts [2022-11-03 03:38:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure init_interrupts [2022-11-03 03:38:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure amdkfd_fence_wait_timeout [2022-11-03 03:38:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure amdkfd_fence_wait_timeout [2022-11-03 03:38:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_topology_remove_device [2022-11-03 03:38:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_topology_remove_device [2022-11-03 03:38:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure update_queue [2022-11-03 03:38:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure update_queue [2022-11-03 03:38:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure load_mqd [2022-11-03 03:38:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure load_mqd [2022-11-03 03:38:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 03:38:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 03:38:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 03:38:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 03:38:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:38:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:38:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure kgd2kfd_interrupt [2022-11-03 03:38:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kgd2kfd_interrupt [2022-11-03 03:38:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_del [2022-11-03 03:38:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_del [2022-11-03 03:38:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 03:38:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 03:38:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint64_t~0 [2022-11-03 03:38:32,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint64_t~0 [2022-11-03 03:38:32,911 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-03 03:38:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-03 03:38:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure hash_32 [2022-11-03 03:38:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_32 [2022-11-03 03:38:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure pm_send_runlist [2022-11-03 03:38:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_send_runlist [2022-11-03 03:38:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure set_event [2022-11-03 03:38:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure set_event [2022-11-03 03:38:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-03 03:38:32,912 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-03 03:38:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:38:32,912 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2022-11-03 03:38:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2022-11-03 03:38:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_gtt_sa_lock_of_kfd_dev [2022-11-03 03:38:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_gtt_sa_lock_of_kfd_dev [2022-11-03 03:38:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_create_queue [2022-11-03 03:38:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_create_queue [2022-11-03 03:38:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure device_queue_manager_init [2022-11-03 03:38:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure device_queue_manager_init [2022-11-03 03:38:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_register_diq [2022-11-03 03:38:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_register_diq [2022-11-03 03:38:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure init_queue [2022-11-03 03:38:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure init_queue [2022-11-03 03:38:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure initialize_cpsch [2022-11-03 03:38:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure initialize_cpsch [2022-11-03 03:38:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-03 03:38:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-03 03:38:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2022-11-03 03:38:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2022-11-03 03:38:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure interrupt_wq [2022-11-03 03:38:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure interrupt_wq [2022-11-03 03:38:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure pqm_update_queue [2022-11-03 03:38:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pqm_update_queue [2022-11-03 03:38:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure find_process [2022-11-03 03:38:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure find_process [2022-11-03 03:38:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_packet_manager [2022-11-03 03:38:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_packet_manager [2022-11-03 03:38:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure create_process [2022-11-03 03:38:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure create_process [2022-11-03 03:38:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_unregister_diq [2022-11-03 03:38:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_unregister_diq [2022-11-03 03:38:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_pasid_free [2022-11-03 03:38:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_pasid_free [2022-11-03 03:38:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~~bool~0 [2022-11-03 03:38:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~~bool~0 [2022-11-03 03:38:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:38:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:38:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_gtt_sa_fini [2022-11-03 03:38:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_gtt_sa_fini [2022-11-03 03:38:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-03 03:38:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-03 03:38:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl_dbg_register [2022-11-03 03:38:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl_dbg_register [2022-11-03 03:38:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_chardev_exit [2022-11-03 03:38:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_chardev_exit [2022-11-03 03:38:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-11-03 03:38:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-11-03 03:38:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_address_watch_disable_nodiq [2022-11-03 03:38:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_address_watch_disable_nodiq [2022-11-03 03:38:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure dbgdev_address_watch_set_registers [2022-11-03 03:38:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dbgdev_address_watch_set_registers [2022-11-03 03:38:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_release_topology_device [2022-11-03 03:38:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_release_topology_device [2022-11-03 03:38:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 03:38:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 03:38:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2022-11-03 03:38:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2022-11-03 03:38:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 03:38:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 03:38:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_ioctl [2022-11-03 03:38:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_ioctl [2022-11-03 03:38:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2022-11-03 03:38:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2022-11-03 03:38:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure pm_uninit [2022-11-03 03:38:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_uninit [2022-11-03 03:38:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-11-03 03:38:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-11-03 03:38:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-03 03:38:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-03 03:38:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_kfd_process [2022-11-03 03:38:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_kfd_process [2022-11-03 03:38:32,919 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_gtt_sa_free [2022-11-03 03:38:32,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_gtt_sa_free [2022-11-03 03:38:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_remove_sysfs_node_entry [2022-11-03 03:38:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_remove_sysfs_node_entry [2022-11-03 03:38:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-03 03:38:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-03 03:38:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_process_wq_release [2022-11-03 03:38:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_process_wq_release [2022-11-03 03:38:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure get_first_pipe [2022-11-03 03:38:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure get_first_pipe [2022-11-03 03:38:32,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:38:32,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:38:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:38:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 03:38:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 03:38:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure kgd2kfd_suspend [2022-11-03 03:38:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kgd2kfd_suspend [2022-11-03 03:38:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_dbgmgr_register [2022-11-03 03:38:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_dbgmgr_register [2022-11-03 03:38:32,921 INFO L130 BoogieDeclarations]: Found specification of procedure kfd_release_live_view [2022-11-03 03:38:32,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kfd_release_live_view [2022-11-03 03:38:35,100 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:38:35,110 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:38:35,631 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:39:51,610 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:39:58,797 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:39:58,797 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:39:58,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:39:58 BoogieIcfgContainer [2022-11-03 03:39:58,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:39:58,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:39:58,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:39:58,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:39:58,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:38:19" (1/3) ... [2022-11-03 03:39:58,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e7dab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:39:58, skipping insertion in model container [2022-11-03 03:39:58,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:30" (2/3) ... [2022-11-03 03:39:58,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e7dab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:39:58, skipping insertion in model container [2022-11-03 03:39:58,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:39:58" (3/3) ... [2022-11-03 03:39:58,824 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 [2022-11-03 03:39:58,846 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:39:58,846 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:39:59,002 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:39:59,009 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=FINITE_AUTOMATA, 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;@3c29d1cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:39:59,009 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:39:59,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 4713 states, 2906 states have (on average 1.3045423262216105) internal successors, (3791), 3003 states have internal predecessors, (3791), 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) [2022-11-03 03:39:59,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-03 03:39:59,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:59,048 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:39:59,048 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:59,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:59,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1169870105, now seen corresponding path program 1 times [2022-11-03 03:39:59,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:39:59,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174240694] [2022-11-03 03:39:59,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:59,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:40:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:01,737 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:40:01,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:40:01,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174240694] [2022-11-03 03:40:01,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174240694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:01,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:01,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:40:01,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047464363] [2022-11-03 03:40:01,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:01,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:40:01,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:40:01,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:40:01,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:40:01,804 INFO L87 Difference]: Start difference. First operand has 4713 states, 2906 states have (on average 1.3045423262216105) internal successors, (3791), 3003 states have internal predecessors, (3791), 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 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 03:40:07,440 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 [] [2022-11-03 03:40:09,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:10,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:12,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:16,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:18,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:22,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:32,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:34,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:37,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:40,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:42,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:40:47,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:54,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:57,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:58,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:58,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:58,613 INFO L93 Difference]: Finished difference Result 13636 states and 20429 transitions. [2022-11-03 03:40:58,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:40:58,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (8), 2 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 73 [2022-11-03 03:40:58,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:58,743 INFO L225 Difference]: With dead ends: 13636 [2022-11-03 03:40:58,743 INFO L226 Difference]: Without dead ends: 8657 [2022-11-03 03:40:58,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:40:58,803 INFO L413 NwaCegarLoop]: 7445 mSDtfsCounter, 6749 mSDsluCounter, 6083 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6762 SdHoareTripleChecker+Valid, 12834 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:58,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6762 Valid, 12834 Invalid, 1451 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1442 Invalid, 8 Unknown, 0 Unchecked, 56.1s Time] [2022-11-03 03:40:58,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8657 states. [2022-11-03 03:40:59,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8657 to 8633. [2022-11-03 03:40:59,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8633 states, 5211 states have (on average 1.255996929572059) internal successors, (6545), 5339 states have internal predecessors, (6545), 2895 states have call successors, (2895), 528 states have call predecessors, (2895), 526 states have return successors, (2876), 2847 states have call predecessors, (2876), 2865 states have call successors, (2876) [2022-11-03 03:40:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8633 states to 8633 states and 12316 transitions. [2022-11-03 03:40:59,847 INFO L78 Accepts]: Start accepts. Automaton has 8633 states and 12316 transitions. Word has length 73 [2022-11-03 03:40:59,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:59,848 INFO L495 AbstractCegarLoop]: Abstraction has 8633 states and 12316 transitions. [2022-11-03 03:40:59,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 03:40:59,850 INFO L276 IsEmpty]: Start isEmpty. Operand 8633 states and 12316 transitions. [2022-11-03 03:40:59,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-03 03:40:59,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:59,864 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:40:59,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:40:59,865 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:59,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:59,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1184080259, now seen corresponding path program 1 times [2022-11-03 03:40:59,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:40:59,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333989826] [2022-11-03 03:40:59,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:59,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:41:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:01,771 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:41:01,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:41:01,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333989826] [2022-11-03 03:41:01,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333989826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:01,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:01,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:41:01,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946057897] [2022-11-03 03:41:01,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:01,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:41:01,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:41:01,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:41:01,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:41:01,777 INFO L87 Difference]: Start difference. First operand 8633 states and 12316 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 03:41:05,183 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 [] [2022-11-03 03:41:09,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:11,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:13,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:17,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:21,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:23,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:29,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:35,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:38,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:40,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:41:47,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:49,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:53,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:57,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:59,374 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 [] [2022-11-03 03:42:00,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:00,440 INFO L93 Difference]: Finished difference Result 21779 states and 31101 transitions. [2022-11-03 03:42:00,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:42:00,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (8), 2 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 74 [2022-11-03 03:42:00,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:00,600 INFO L225 Difference]: With dead ends: 21779 [2022-11-03 03:42:00,600 INFO L226 Difference]: Without dead ends: 13157 [2022-11-03 03:42:00,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:42:00,651 INFO L413 NwaCegarLoop]: 7256 mSDtfsCounter, 6438 mSDsluCounter, 6486 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6454 SdHoareTripleChecker+Valid, 13010 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:00,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6454 Valid, 13010 Invalid, 1496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1485 Invalid, 11 Unknown, 0 Unchecked, 58.0s Time] [2022-11-03 03:42:00,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13157 states. [2022-11-03 03:42:01,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13157 to 13103. [2022-11-03 03:42:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13103 states, 7938 states have (on average 1.2588813303099018) internal successors, (9993), 8124 states have internal predecessors, (9993), 4371 states have call successors, (4371), 796 states have call predecessors, (4371), 793 states have return successors, (4372), 4309 states have call predecessors, (4372), 4341 states have call successors, (4372) [2022-11-03 03:42:01,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13103 states to 13103 states and 18736 transitions. [2022-11-03 03:42:01,810 INFO L78 Accepts]: Start accepts. Automaton has 13103 states and 18736 transitions. Word has length 74 [2022-11-03 03:42:01,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:01,813 INFO L495 AbstractCegarLoop]: Abstraction has 13103 states and 18736 transitions. [2022-11-03 03:42:01,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 03:42:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 13103 states and 18736 transitions. [2022-11-03 03:42:01,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-03 03:42:01,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:01,819 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:42:01,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:42:01,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:42:01,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:01,820 INFO L85 PathProgramCache]: Analyzing trace with hash -66824333, now seen corresponding path program 1 times [2022-11-03 03:42:01,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:01,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382598923] [2022-11-03 03:42:01,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:01,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:02,943 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-03 03:42:02,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:02,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382598923] [2022-11-03 03:42:02,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382598923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:02,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:02,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:42:02,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040116577] [2022-11-03 03:42:02,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:02,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:42:02,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:02,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:42:02,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:42:02,946 INFO L87 Difference]: Start difference. First operand 13103 states and 18736 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 03:42:06,927 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=true, quantifiers [] [2022-11-03 03:42:11,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:13,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:15,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:17,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:19,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:23,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:42:25,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:28,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:32,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:34,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:37,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:46,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:49,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:53,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:55,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:42:58,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:07,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:09,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:10,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:12,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:15,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:17,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:19,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:22,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:22,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:43:22,827 INFO L93 Difference]: Finished difference Result 35016 states and 50119 transitions. [2022-11-03 03:43:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:43:22,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (16), 2 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 92 [2022-11-03 03:43:22,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:43:22,969 INFO L225 Difference]: With dead ends: 35016 [2022-11-03 03:43:22,970 INFO L226 Difference]: Without dead ends: 21924 [2022-11-03 03:43:23,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:43:23,040 INFO L413 NwaCegarLoop]: 9904 mSDtfsCounter, 6314 mSDsluCounter, 6476 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 2 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6349 SdHoareTripleChecker+Valid, 15644 SdHoareTripleChecker+Invalid, 1984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:43:23,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6349 Valid, 15644 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1967 Invalid, 15 Unknown, 0 Unchecked, 79.0s Time] [2022-11-03 03:43:23,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21924 states. [2022-11-03 03:43:24,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21924 to 21863. [2022-11-03 03:43:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21863 states, 13268 states have (on average 1.2598733795598431) internal successors, (16716), 13574 states have internal predecessors, (16716), 7269 states have call successors, (7269), 1330 states have call predecessors, (7269), 1325 states have return successors, (7341), 7176 states have call predecessors, (7341), 7239 states have call successors, (7341) [2022-11-03 03:43:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21863 states to 21863 states and 31326 transitions. [2022-11-03 03:43:25,020 INFO L78 Accepts]: Start accepts. Automaton has 21863 states and 31326 transitions. Word has length 92 [2022-11-03 03:43:25,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:43:25,021 INFO L495 AbstractCegarLoop]: Abstraction has 21863 states and 31326 transitions. [2022-11-03 03:43:25,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 03:43:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 21863 states and 31326 transitions. [2022-11-03 03:43:25,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 03:43:25,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:43:25,025 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:43:25,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:43:25,026 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:43:25,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:43:25,027 INFO L85 PathProgramCache]: Analyzing trace with hash -800439731, now seen corresponding path program 1 times [2022-11-03 03:43:25,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:43:25,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670952279] [2022-11-03 03:43:25,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:25,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:43:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:25,948 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-03 03:43:25,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:43:25,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670952279] [2022-11-03 03:43:25,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670952279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:43:25,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:43:25,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:43:25,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272774474] [2022-11-03 03:43:25,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:43:25,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:43:25,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:43:25,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:43:25,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:43:25,952 INFO L87 Difference]: Start difference. First operand 21863 states and 31326 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 03:43:29,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:43:35,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:38,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:41,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:43,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:45,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:48,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:43:51,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:53,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:58,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:00,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:02,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:12,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:18,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:23,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:25,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:27,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:29,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:32,142 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 [] [2022-11-03 03:44:33,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:33,355 INFO L93 Difference]: Finished difference Result 61326 states and 87936 transitions. [2022-11-03 03:44:33,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:44:33,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 2 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 99 [2022-11-03 03:44:33,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:33,572 INFO L225 Difference]: With dead ends: 61326 [2022-11-03 03:44:33,572 INFO L226 Difference]: Without dead ends: 39474 [2022-11-03 03:44:33,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:44:33,682 INFO L413 NwaCegarLoop]: 9311 mSDtfsCounter, 6362 mSDsluCounter, 6488 mSDsCounter, 0 mSdLazyCounter, 1796 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6393 SdHoareTripleChecker+Valid, 15066 SdHoareTripleChecker+Invalid, 1809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1796 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:33,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6393 Valid, 15066 Invalid, 1809 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 1796 Invalid, 11 Unknown, 0 Unchecked, 65.7s Time] [2022-11-03 03:44:33,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39474 states. [2022-11-03 03:44:36,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39474 to 39418. [2022-11-03 03:44:36,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39418 states, 23957 states have (on average 1.261051049797554) internal successors, (30211), 24498 states have internal predecessors, (30211), 13069 states have call successors, (13069), 2400 states have call predecessors, (13069), 2391 states have return successors, (13276), 12917 states have call predecessors, (13276), 13039 states have call successors, (13276) [2022-11-03 03:44:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39418 states to 39418 states and 56556 transitions. [2022-11-03 03:44:37,262 INFO L78 Accepts]: Start accepts. Automaton has 39418 states and 56556 transitions. Word has length 99 [2022-11-03 03:44:37,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:37,264 INFO L495 AbstractCegarLoop]: Abstraction has 39418 states and 56556 transitions. [2022-11-03 03:44:37,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 03:44:37,264 INFO L276 IsEmpty]: Start isEmpty. Operand 39418 states and 56556 transitions. [2022-11-03 03:44:37,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-03 03:44:37,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:37,273 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:44:37,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:44:37,274 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:37,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:37,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1911592889, now seen corresponding path program 1 times [2022-11-03 03:44:37,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:37,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834940351] [2022-11-03 03:44:37,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:37,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:37,907 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:44:37,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1771970147] [2022-11-03 03:44:37,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:37,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:44:37,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:44:37,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:44:37,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:44:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:42,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 12805 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:44:42,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:44:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:44:42,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:44:42,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:42,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834940351] [2022-11-03 03:44:42,799 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:44:42,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771970147] [2022-11-03 03:44:42,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771970147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:42,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:42,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:44:42,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766501953] [2022-11-03 03:44:42,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:42,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:44:42,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:42,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:44:42,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:44:42,802 INFO L87 Difference]: Start difference. First operand 39418 states and 56556 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2022-11-03 03:44:45,857 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 [] [2022-11-03 03:44:49,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:52,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:54,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:58,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:00,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:04,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:45:07,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:08,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:11,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:16,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:20,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:24,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:26,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:38,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:41,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:43,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:46,823 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 [] [2022-11-03 03:45:48,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:48,009 INFO L93 Difference]: Finished difference Result 117228 states and 174134 transitions. [2022-11-03 03:45:48,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:45:48,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 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 88 [2022-11-03 03:45:48,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:48,743 INFO L225 Difference]: With dead ends: 117228 [2022-11-03 03:45:48,744 INFO L226 Difference]: Without dead ends: 77821 [2022-11-03 03:45:49,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:45:49,024 INFO L413 NwaCegarLoop]: 7501 mSDtfsCounter, 6437 mSDsluCounter, 6594 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 5 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6456 SdHoareTripleChecker+Valid, 13360 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:49,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6456 Valid, 13360 Invalid, 1503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1488 Invalid, 10 Unknown, 0 Unchecked, 62.1s Time] [2022-11-03 03:45:49,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77821 states. [2022-11-03 03:45:54,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77821 to 77716. [2022-11-03 03:45:54,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77716 states, 47304 states have (on average 1.2617749027566378) internal successors, (59687), 48379 states have internal predecessors, (59687), 25648 states have call successors, (25648), 4755 states have call predecessors, (25648), 4763 states have return successors, (29088), 25377 states have call predecessors, (29088), 25614 states have call successors, (29088) [2022-11-03 03:45:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77716 states to 77716 states and 114423 transitions. [2022-11-03 03:45:55,397 INFO L78 Accepts]: Start accepts. Automaton has 77716 states and 114423 transitions. Word has length 88 [2022-11-03 03:45:55,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:55,398 INFO L495 AbstractCegarLoop]: Abstraction has 77716 states and 114423 transitions. [2022-11-03 03:45:55,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2022-11-03 03:45:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 77716 states and 114423 transitions. [2022-11-03 03:45:55,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 03:45:55,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:55,402 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:45:55,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:45:55,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:55,615 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:45:55,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:55,615 INFO L85 PathProgramCache]: Analyzing trace with hash -872705083, now seen corresponding path program 1 times [2022-11-03 03:45:55,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:55,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430998721] [2022-11-03 03:45:55,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:55,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:56,243 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:45:56,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1002041496] [2022-11-03 03:45:56,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:56,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:45:56,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:45:56,245 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:45:56,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:46:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:46:00,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 12807 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:46:00,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:46:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:46:01,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:46:01,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:46:01,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430998721] [2022-11-03 03:46:01,097 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:46:01,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002041496] [2022-11-03 03:46:01,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002041496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:46:01,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:46:01,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:46:01,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067065411] [2022-11-03 03:46:01,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:46:01,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:46:01,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:46:01,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:46:01,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:46:01,101 INFO L87 Difference]: Start difference. First operand 77716 states and 114423 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 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) [2022-11-03 03:46:04,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:07,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:08,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:10,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:13,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:16,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:46:20,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:23,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:26,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:34,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:35,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:39,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:46:41,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:50,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:53,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:46:59,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:01,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:04,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:06,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:09,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:10,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:14,193 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 [] [2022-11-03 03:47:16,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:16,493 INFO L93 Difference]: Finished difference Result 154643 states and 239485 transitions. [2022-11-03 03:47:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:47:16,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 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 89 [2022-11-03 03:47:16,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:17,666 INFO L225 Difference]: With dead ends: 154643 [2022-11-03 03:47:17,666 INFO L226 Difference]: Without dead ends: 154639 [2022-11-03 03:47:17,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:47:17,744 INFO L413 NwaCegarLoop]: 7661 mSDtfsCounter, 6558 mSDsluCounter, 6602 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 4 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6563 SdHoareTripleChecker+Valid, 13529 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:17,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6563 Valid, 13529 Invalid, 1555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1542 Invalid, 9 Unknown, 0 Unchecked, 69.6s Time] [2022-11-03 03:47:17,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154639 states. [2022-11-03 03:47:29,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154639 to 154597. [2022-11-03 03:47:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154597 states, 94157 states have (on average 1.2619667151672207) internal successors, (118823), 96289 states have internal predecessors, (118823), 50986 states have call successors, (50986), 9490 states have call predecessors, (50986), 9453 states have return successors, (69613), 50409 states have call predecessors, (69613), 50952 states have call successors, (69613) [2022-11-03 03:47:31,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154597 states to 154597 states and 239422 transitions. [2022-11-03 03:47:31,511 INFO L78 Accepts]: Start accepts. Automaton has 154597 states and 239422 transitions. Word has length 89 [2022-11-03 03:47:31,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:31,512 INFO L495 AbstractCegarLoop]: Abstraction has 154597 states and 239422 transitions. [2022-11-03 03:47:31,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 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) [2022-11-03 03:47:31,513 INFO L276 IsEmpty]: Start isEmpty. Operand 154597 states and 239422 transitions. [2022-11-03 03:47:31,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-03 03:47:31,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:31,517 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:47:31,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:47:31,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 03:47:31,743 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:47:31,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:31,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1286591428, now seen corresponding path program 1 times [2022-11-03 03:47:31,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:31,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764543173] [2022-11-03 03:47:31,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:31,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:32,556 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:47:32,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018734985] [2022-11-03 03:47:32,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:32,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:32,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:47:32,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:47:32,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12c179c-e38a-4af5-833c-d2c424006461/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:47:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:36,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 12809 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:47:36,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:47:36,789 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:47:36,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:47:36,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:36,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764543173] [2022-11-03 03:47:36,789 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:47:36,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018734985] [2022-11-03 03:47:36,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018734985] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:47:36,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:47:36,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:47:36,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796831627] [2022-11-03 03:47:36,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:47:36,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:47:36,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:47:36,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:47:36,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:47:36,791 INFO L87 Difference]: Start difference. First operand 154597 states and 239422 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 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) [2022-11-03 03:47:39,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:47:41,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:44,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:46,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:48,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:51,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:55,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:57,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:47:59,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 03:48:01,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:04,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:11,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:17,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:25,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:29,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:34,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:38,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:41,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:47,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:52,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:48:52,538 INFO L93 Difference]: Finished difference Result 299365 states and 511330 transitions. [2022-11-03 03:48:52,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:48:52,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 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 90 [2022-11-03 03:48:52,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:48:55,082 INFO L225 Difference]: With dead ends: 299365 [2022-11-03 03:48:55,082 INFO L226 Difference]: Without dead ends: 299361 [2022-11-03 03:48:55,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:48:55,250 INFO L413 NwaCegarLoop]: 7481 mSDtfsCounter, 6240 mSDsluCounter, 6538 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 4 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6259 SdHoareTripleChecker+Valid, 13299 SdHoareTripleChecker+Invalid, 1522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:48:55,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6259 Valid, 13299 Invalid, 1522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1508 Invalid, 10 Unknown, 0 Unchecked, 62.9s Time] [2022-11-03 03:48:55,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299361 states.