./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS --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 a9a20f3f691c8614da828fa262b8d39a0b290d1ce7d7bab1e11653a91cb5fcdd --- 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-8393723 [2022-11-19 06:45:51,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:45:51,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:45:51,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:45:51,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:45:51,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:45:51,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:45:51,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:45:51,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:45:51,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:45:51,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:45:51,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:45:51,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:45:51,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:45:51,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:45:51,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:45:51,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:45:51,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:45:51,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:45:51,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:45:51,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:45:51,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:45:51,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:45:51,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:45:51,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:45:51,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:45:51,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:45:51,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:45:51,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:45:51,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:45:51,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:45:51,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:45:51,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:45:51,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:45:51,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:45:51,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:45:51,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:45:51,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:45:51,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:45:51,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:45:51,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:45:51,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:45:51,773 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:45:51,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:45:51,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:45:51,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:45:51,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:45:51,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:45:51,775 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:45:51,776 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:45:51,776 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:45:51,776 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:45:51,776 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:45:51,777 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:45:51,777 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:45:51,777 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:45:51,777 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:45:51,777 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:45:51,778 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:45:51,778 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:45:51,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:45:51,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:45:51,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:45:51,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:45:51,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:45:51,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:45:51,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:45:51,780 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:45:51,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:45:51,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:45:51,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:45:51,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:45:51,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:45:51,781 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:45:51,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:45:51,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:45:51,782 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:45:51,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:45:51,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:45:51,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:45:51,783 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_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9a20f3f691c8614da828fa262b8d39a0b290d1ce7d7bab1e11653a91cb5fcdd [2022-11-19 06:45:52,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:45:52,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:45:52,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:45:52,054 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:45:52,059 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:45:52,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2022-11-19 06:45:52,126 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/data/01fe5da2b/0762570879054191b50e5d9ba86af893/FLAG207bd37bb [2022-11-19 06:45:52,917 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:45:52,918 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2022-11-19 06:45:52,955 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/data/01fe5da2b/0762570879054191b50e5d9ba86af893/FLAG207bd37bb [2022-11-19 06:45:53,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/data/01fe5da2b/0762570879054191b50e5d9ba86af893 [2022-11-19 06:45:53,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:45:53,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:45:53,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:45:53,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:45:53,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:45:53,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:45:53" (1/1) ... [2022-11-19 06:45:53,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7712958c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:53, skipping insertion in model container [2022-11-19 06:45:53,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:45:53" (1/1) ... [2022-11-19 06:45:53,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:45:53,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:45:53,963 WARN L234 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_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i[161908,161921] [2022-11-19 06:45:54,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:45:54,479 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:45:54,616 WARN L234 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_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i[161908,161921] [2022-11-19 06:45:54,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:45:54,926 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:45:54,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:54 WrapperNode [2022-11-19 06:45:54,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:45:54,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:45:54,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:45:54,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:45:54,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:54" (1/1) ... [2022-11-19 06:45:54,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:54" (1/1) ... [2022-11-19 06:45:55,101 INFO L138 Inliner]: procedures = 139, calls = 575, calls flagged for inlining = 59, calls inlined = 59, statements flattened = 1717 [2022-11-19 06:45:55,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:45:55,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:45:55,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:45:55,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:45:55,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:54" (1/1) ... [2022-11-19 06:45:55,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:54" (1/1) ... [2022-11-19 06:45:55,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:54" (1/1) ... [2022-11-19 06:45:55,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:54" (1/1) ... [2022-11-19 06:45:55,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:54" (1/1) ... [2022-11-19 06:45:55,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:54" (1/1) ... [2022-11-19 06:45:55,239 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:54" (1/1) ... [2022-11-19 06:45:55,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:54" (1/1) ... [2022-11-19 06:45:55,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:45:55,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:45:55,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:45:55,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:45:55,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:54" (1/1) ... [2022-11-19 06:45:55,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:45:55,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:45:55,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:45:55,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:45:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-11-19 06:45:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-11-19 06:45:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 06:45:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:45:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:45:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:45:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:45:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:45:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-19 06:45:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-19 06:45:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-11-19 06:45:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-11-19 06:45:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 06:45:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 06:45:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:45:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:45:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-11-19 06:45:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-11-19 06:45:55,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:45:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_suspend [2022-11-19 06:45:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_suspend [2022-11-19 06:45:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 06:45:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 06:45:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_resume [2022-11-19 06:45:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_resume [2022-11-19 06:45:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:45:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:45:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 06:45:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 06:45:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:45:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:45:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:45:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:45:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_tx_fixup [2022-11-19 06:45:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_tx_fixup [2022-11-19 06:45:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:45:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-19 06:45:55,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-19 06:45:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2022-11-19 06:45:55,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2022-11-19 06:45:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:45:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 06:45:55,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 06:45:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:45:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:45:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:45:55,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:45:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_bind [2022-11-19 06:45:55,407 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_bind [2022-11-19 06:45:55,408 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_manage_power [2022-11-19 06:45:55,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_manage_power [2022-11-19 06:45:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:45:55,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:45:55,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:45:55,411 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-19 06:45:55,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:45:55,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:45:55,412 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 06:45:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 06:45:55,412 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_rx_fixup [2022-11-19 06:45:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_rx_fixup [2022-11-19 06:45:55,412 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-19 06:45:55,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-19 06:45:55,412 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_unbind [2022-11-19 06:45:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_unbind [2022-11-19 06:45:55,413 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_unbind [2022-11-19 06:45:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_unbind [2022-11-19 06:45:55,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:45:55,413 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-19 06:45:55,413 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-19 06:45:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 06:45:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 06:45:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 06:45:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:45:55,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:45:55,414 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2022-11-19 06:45:55,415 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2022-11-19 06:45:55,415 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 06:45:55,416 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 06:45:56,001 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:45:56,004 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:45:57,053 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:45:57,394 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-19 06:45:57,841 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:45:58,190 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:45:58,190 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:45:58,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:58 BoogieIcfgContainer [2022-11-19 06:45:58,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:45:58,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:45:58,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:45:58,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:45:58,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:45:53" (1/3) ... [2022-11-19 06:45:58,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dadb67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:45:58, skipping insertion in model container [2022-11-19 06:45:58,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:54" (2/3) ... [2022-11-19 06:45:58,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dadb67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:45:58, skipping insertion in model container [2022-11-19 06:45:58,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:58" (3/3) ... [2022-11-19 06:45:58,203 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2022-11-19 06:45:58,222 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:45:58,222 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:45:58,282 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:45:58,288 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;@58ddb115, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:45:58,289 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:45:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 397 states, 272 states have (on average 1.4558823529411764) internal successors, (396), 286 states have internal predecessors, (396), 94 states have call successors, (94), 31 states have call predecessors, (94), 29 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2022-11-19 06:45:58,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-19 06:45:58,305 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:58,306 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:45:58,307 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:58,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:58,312 INFO L85 PathProgramCache]: Analyzing trace with hash 897450605, now seen corresponding path program 1 times [2022-11-19 06:45:58,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:58,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821020555] [2022-11-19 06:45:58,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:58,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:45:58,865 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:45:58,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:45:58,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821020555] [2022-11-19 06:45:58,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821020555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:45:58,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:45:58,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:45:58,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940605102] [2022-11-19 06:45:58,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:45:58,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:45:58,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:45:58,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:45:58,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:45:58,905 INFO L87 Difference]: Start difference. First operand has 397 states, 272 states have (on average 1.4558823529411764) internal successors, (396), 286 states have internal predecessors, (396), 94 states have call successors, (94), 31 states have call predecessors, (94), 29 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-19 06:45:59,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:45:59,615 INFO L93 Difference]: Finished difference Result 1143 states and 1671 transitions. [2022-11-19 06:45:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:45:59,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2022-11-19 06:45:59,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:45:59,636 INFO L225 Difference]: With dead ends: 1143 [2022-11-19 06:45:59,636 INFO L226 Difference]: Without dead ends: 737 [2022-11-19 06:45:59,643 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 [2022-11-19 06:45:59,646 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 513 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:45:59,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 1050 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:45:59,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-11-19 06:45:59,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 734. [2022-11-19 06:45:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 518 states have (on average 1.4324324324324325) internal successors, (742), 525 states have internal predecessors, (742), 159 states have call successors, (159), 57 states have call predecessors, (159), 56 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-19 06:45:59,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1054 transitions. [2022-11-19 06:45:59,758 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1054 transitions. Word has length 32 [2022-11-19 06:45:59,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:45:59,759 INFO L495 AbstractCegarLoop]: Abstraction has 734 states and 1054 transitions. [2022-11-19 06:45:59,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-19 06:45:59,759 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1054 transitions. [2022-11-19 06:45:59,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-19 06:45:59,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:45:59,765 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:45:59,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:45:59,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:45:59,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:45:59,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1224938582, now seen corresponding path program 1 times [2022-11-19 06:45:59,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:45:59,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998131673] [2022-11-19 06:45:59,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:45:59,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:45:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-19 06:46:00,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:00,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998131673] [2022-11-19 06:46:00,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998131673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:00,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:00,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:00,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813322259] [2022-11-19 06:46:00,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:00,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:00,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:00,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:00,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:00,137 INFO L87 Difference]: Start difference. First operand 734 states and 1054 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:46:00,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:00,399 INFO L93 Difference]: Finished difference Result 736 states and 1055 transitions. [2022-11-19 06:46:00,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:00,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 41 [2022-11-19 06:46:00,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:00,408 INFO L225 Difference]: With dead ends: 736 [2022-11-19 06:46:00,409 INFO L226 Difference]: Without dead ends: 733 [2022-11-19 06:46:00,410 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 [2022-11-19 06:46:00,416 INFO L413 NwaCegarLoop]: 471 mSDtfsCounter, 532 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:00,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 471 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:46:00,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2022-11-19 06:46:00,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2022-11-19 06:46:00,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 518 states have (on average 1.4305019305019304) internal successors, (741), 524 states have internal predecessors, (741), 158 states have call successors, (158), 57 states have call predecessors, (158), 56 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-19 06:46:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1052 transitions. [2022-11-19 06:46:00,528 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1052 transitions. Word has length 41 [2022-11-19 06:46:00,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:00,529 INFO L495 AbstractCegarLoop]: Abstraction has 733 states and 1052 transitions. [2022-11-19 06:46:00,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:46:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1052 transitions. [2022-11-19 06:46:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-19 06:46:00,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:00,541 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:46:00,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:46:00,542 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:00,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:00,542 INFO L85 PathProgramCache]: Analyzing trace with hash -681829821, now seen corresponding path program 1 times [2022-11-19 06:46:00,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:00,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995132396] [2022-11-19 06:46:00,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:00,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-19 06:46:00,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:00,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995132396] [2022-11-19 06:46:00,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995132396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:00,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:00,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:00,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915027344] [2022-11-19 06:46:00,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:00,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:00,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:00,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:00,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:00,892 INFO L87 Difference]: Start difference. First operand 733 states and 1052 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:46:01,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:01,118 INFO L93 Difference]: Finished difference Result 735 states and 1053 transitions. [2022-11-19 06:46:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:01,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 42 [2022-11-19 06:46:01,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:01,123 INFO L225 Difference]: With dead ends: 735 [2022-11-19 06:46:01,123 INFO L226 Difference]: Without dead ends: 732 [2022-11-19 06:46:01,124 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 [2022-11-19 06:46:01,125 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 529 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:01,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 469 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:46:01,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2022-11-19 06:46:01,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 732. [2022-11-19 06:46:01,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 518 states have (on average 1.4285714285714286) internal successors, (740), 523 states have internal predecessors, (740), 157 states have call successors, (157), 57 states have call predecessors, (157), 56 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-19 06:46:01,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1050 transitions. [2022-11-19 06:46:01,182 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1050 transitions. Word has length 42 [2022-11-19 06:46:01,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:01,183 INFO L495 AbstractCegarLoop]: Abstraction has 732 states and 1050 transitions. [2022-11-19 06:46:01,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:46:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1050 transitions. [2022-11-19 06:46:01,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 06:46:01,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:01,185 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:46:01,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:46:01,186 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:01,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:01,186 INFO L85 PathProgramCache]: Analyzing trace with hash 337896697, now seen corresponding path program 1 times [2022-11-19 06:46:01,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:01,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620831578] [2022-11-19 06:46:01,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:01,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-19 06:46:01,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:01,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620831578] [2022-11-19 06:46:01,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620831578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:01,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:01,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:01,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724372098] [2022-11-19 06:46:01,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:01,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:01,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:01,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:01,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:01,388 INFO L87 Difference]: Start difference. First operand 732 states and 1050 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:46:01,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:01,619 INFO L93 Difference]: Finished difference Result 734 states and 1051 transitions. [2022-11-19 06:46:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:01,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 43 [2022-11-19 06:46:01,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:01,624 INFO L225 Difference]: With dead ends: 734 [2022-11-19 06:46:01,624 INFO L226 Difference]: Without dead ends: 731 [2022-11-19 06:46:01,625 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 [2022-11-19 06:46:01,626 INFO L413 NwaCegarLoop]: 467 mSDtfsCounter, 526 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:01,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 467 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:46:01,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2022-11-19 06:46:01,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 731. [2022-11-19 06:46:01,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 518 states have (on average 1.4266409266409266) internal successors, (739), 522 states have internal predecessors, (739), 156 states have call successors, (156), 57 states have call predecessors, (156), 56 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-19 06:46:01,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1048 transitions. [2022-11-19 06:46:01,698 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1048 transitions. Word has length 43 [2022-11-19 06:46:01,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:01,699 INFO L495 AbstractCegarLoop]: Abstraction has 731 states and 1048 transitions. [2022-11-19 06:46:01,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:46:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1048 transitions. [2022-11-19 06:46:01,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 06:46:01,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:01,703 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:46:01,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:46:01,703 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:01,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:01,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1884652550, now seen corresponding path program 1 times [2022-11-19 06:46:01,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:01,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961012919] [2022-11-19 06:46:01,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:01,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-19 06:46:01,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:01,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961012919] [2022-11-19 06:46:01,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961012919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:01,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:01,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:01,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547477721] [2022-11-19 06:46:01,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:01,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:01,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:01,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:01,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:01,855 INFO L87 Difference]: Start difference. First operand 731 states and 1048 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:46:02,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:02,286 INFO L93 Difference]: Finished difference Result 1446 states and 2079 transitions. [2022-11-19 06:46:02,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:02,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 44 [2022-11-19 06:46:02,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:02,294 INFO L225 Difference]: With dead ends: 1446 [2022-11-19 06:46:02,294 INFO L226 Difference]: Without dead ends: 1443 [2022-11-19 06:46:02,296 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 [2022-11-19 06:46:02,296 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 516 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:02,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 1012 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:46:02,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2022-11-19 06:46:02,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1427. [2022-11-19 06:46:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1013 states have (on average 1.4313919052319841) internal successors, (1450), 1019 states have internal predecessors, (1450), 303 states have call successors, (303), 111 states have call predecessors, (303), 110 states have return successors, (308), 300 states have call predecessors, (308), 300 states have call successors, (308) [2022-11-19 06:46:02,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2061 transitions. [2022-11-19 06:46:02,436 INFO L78 Accepts]: Start accepts. Automaton has 1427 states and 2061 transitions. Word has length 44 [2022-11-19 06:46:02,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:02,436 INFO L495 AbstractCegarLoop]: Abstraction has 1427 states and 2061 transitions. [2022-11-19 06:46:02,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:46:02,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 2061 transitions. [2022-11-19 06:46:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 06:46:02,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:02,440 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:46:02,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:46:02,440 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:02,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:02,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1705518692, now seen corresponding path program 1 times [2022-11-19 06:46:02,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:02,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968829530] [2022-11-19 06:46:02,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:02,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-19 06:46:02,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:02,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968829530] [2022-11-19 06:46:02,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968829530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:02,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:02,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:02,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136198865] [2022-11-19 06:46:02,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:02,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:02,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:02,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:02,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:02,641 INFO L87 Difference]: Start difference. First operand 1427 states and 2061 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:46:02,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:02,900 INFO L93 Difference]: Finished difference Result 1429 states and 2062 transitions. [2022-11-19 06:46:02,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:02,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 45 [2022-11-19 06:46:02,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:02,911 INFO L225 Difference]: With dead ends: 1429 [2022-11-19 06:46:02,911 INFO L226 Difference]: Without dead ends: 1420 [2022-11-19 06:46:02,913 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 [2022-11-19 06:46:02,913 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 522 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:02,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 466 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:46:02,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2022-11-19 06:46:03,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1420. [2022-11-19 06:46:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1420 states, 1007 states have (on average 1.4299900695134062) internal successors, (1440), 1012 states have internal predecessors, (1440), 302 states have call successors, (302), 111 states have call predecessors, (302), 110 states have return successors, (308), 300 states have call predecessors, (308), 300 states have call successors, (308) [2022-11-19 06:46:03,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 2050 transitions. [2022-11-19 06:46:03,080 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 2050 transitions. Word has length 45 [2022-11-19 06:46:03,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:03,081 INFO L495 AbstractCegarLoop]: Abstraction has 1420 states and 2050 transitions. [2022-11-19 06:46:03,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:46:03,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 2050 transitions. [2022-11-19 06:46:03,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-19 06:46:03,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:03,088 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:03,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:46:03,088 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:03,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:03,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1189959342, now seen corresponding path program 1 times [2022-11-19 06:46:03,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:03,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598186842] [2022-11-19 06:46:03,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:03,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:03,229 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:46:03,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:03,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598186842] [2022-11-19 06:46:03,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598186842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:03,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:03,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:03,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074978979] [2022-11-19 06:46:03,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:03,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:03,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:03,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:03,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:03,233 INFO L87 Difference]: Start difference. First operand 1420 states and 2050 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, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 06:46:03,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:03,783 INFO L93 Difference]: Finished difference Result 4083 states and 5861 transitions. [2022-11-19 06:46:03,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:03,784 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, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2022-11-19 06:46:03,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:03,806 INFO L225 Difference]: With dead ends: 4083 [2022-11-19 06:46:03,806 INFO L226 Difference]: Without dead ends: 2672 [2022-11-19 06:46:03,814 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 [2022-11-19 06:46:03,815 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 467 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:03,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 958 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:46:03,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2672 states. [2022-11-19 06:46:04,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2672 to 2663. [2022-11-19 06:46:04,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 1892 states have (on average 1.427061310782241) internal successors, (2700), 1901 states have internal predecessors, (2700), 551 states have call successors, (551), 220 states have call predecessors, (551), 219 states have return successors, (561), 549 states have call predecessors, (561), 549 states have call successors, (561) [2022-11-19 06:46:04,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3812 transitions. [2022-11-19 06:46:04,125 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3812 transitions. Word has length 55 [2022-11-19 06:46:04,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:04,126 INFO L495 AbstractCegarLoop]: Abstraction has 2663 states and 3812 transitions. [2022-11-19 06:46:04,126 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, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 06:46:04,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3812 transitions. [2022-11-19 06:46:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-19 06:46:04,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:04,128 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:04,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:46:04,129 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:04,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:04,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1182580668, now seen corresponding path program 1 times [2022-11-19 06:46:04,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:04,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621782691] [2022-11-19 06:46:04,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:04,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:46:04,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:04,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621782691] [2022-11-19 06:46:04,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621782691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:04,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:04,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:04,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903423711] [2022-11-19 06:46:04,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:04,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:04,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:04,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:04,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:04,261 INFO L87 Difference]: Start difference. First operand 2663 states and 3812 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 06:46:04,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:04,982 INFO L93 Difference]: Finished difference Result 6954 states and 9914 transitions. [2022-11-19 06:46:04,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:04,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2022-11-19 06:46:04,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:05,006 INFO L225 Difference]: With dead ends: 6954 [2022-11-19 06:46:05,006 INFO L226 Difference]: Without dead ends: 4309 [2022-11-19 06:46:05,017 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 [2022-11-19 06:46:05,017 INFO L413 NwaCegarLoop]: 752 mSDtfsCounter, 477 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:05,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 1181 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:46:05,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4309 states. [2022-11-19 06:46:05,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4309 to 4298. [2022-11-19 06:46:05,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4298 states, 3052 states have (on average 1.4230013106159896) internal successors, (4343), 3067 states have internal predecessors, (4343), 876 states have call successors, (876), 370 states have call predecessors, (876), 369 states have return successors, (890), 872 states have call predecessors, (890), 874 states have call successors, (890) [2022-11-19 06:46:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4298 states to 4298 states and 6109 transitions. [2022-11-19 06:46:05,392 INFO L78 Accepts]: Start accepts. Automaton has 4298 states and 6109 transitions. Word has length 53 [2022-11-19 06:46:05,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:05,393 INFO L495 AbstractCegarLoop]: Abstraction has 4298 states and 6109 transitions. [2022-11-19 06:46:05,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 06:46:05,393 INFO L276 IsEmpty]: Start isEmpty. Operand 4298 states and 6109 transitions. [2022-11-19 06:46:05,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-19 06:46:05,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:05,399 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:05,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 06:46:05,399 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:05,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:05,400 INFO L85 PathProgramCache]: Analyzing trace with hash -907196486, now seen corresponding path program 1 times [2022-11-19 06:46:05,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:05,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056099] [2022-11-19 06:46:05,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:05,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:05,541 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-19 06:46:05,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:05,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056099] [2022-11-19 06:46:05,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:05,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:05,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:05,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980568446] [2022-11-19 06:46:05,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:05,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:05,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:05,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:05,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:05,543 INFO L87 Difference]: Start difference. First operand 4298 states and 6109 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-19 06:46:06,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:06,422 INFO L93 Difference]: Finished difference Result 10974 states and 15622 transitions. [2022-11-19 06:46:06,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:06,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 105 [2022-11-19 06:46:06,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:06,464 INFO L225 Difference]: With dead ends: 10974 [2022-11-19 06:46:06,464 INFO L226 Difference]: Without dead ends: 6705 [2022-11-19 06:46:06,484 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 [2022-11-19 06:46:06,486 INFO L413 NwaCegarLoop]: 629 mSDtfsCounter, 490 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:06,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 1052 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:46:06,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6705 states. [2022-11-19 06:46:07,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6705 to 6694. [2022-11-19 06:46:07,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6694 states, 4794 states have (on average 1.4182311222361286) internal successors, (6799), 4815 states have internal predecessors, (6799), 1324 states have call successors, (1324), 576 states have call predecessors, (1324), 575 states have return successors, (1342), 1318 states have call predecessors, (1342), 1322 states have call successors, (1342) [2022-11-19 06:46:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6694 states to 6694 states and 9465 transitions. [2022-11-19 06:46:07,191 INFO L78 Accepts]: Start accepts. Automaton has 6694 states and 9465 transitions. Word has length 105 [2022-11-19 06:46:07,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:07,194 INFO L495 AbstractCegarLoop]: Abstraction has 6694 states and 9465 transitions. [2022-11-19 06:46:07,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-19 06:46:07,195 INFO L276 IsEmpty]: Start isEmpty. Operand 6694 states and 9465 transitions. [2022-11-19 06:46:07,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-19 06:46:07,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:07,202 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:07,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 06:46:07,202 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:07,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:07,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1779042622, now seen corresponding path program 1 times [2022-11-19 06:46:07,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:07,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940841777] [2022-11-19 06:46:07,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:07,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-19 06:46:07,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:07,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940841777] [2022-11-19 06:46:07,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940841777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:07,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:07,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:07,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759173705] [2022-11-19 06:46:07,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:07,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:07,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:07,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:07,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:07,359 INFO L87 Difference]: Start difference. First operand 6694 states and 9465 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-19 06:46:08,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:08,447 INFO L93 Difference]: Finished difference Result 16870 states and 23894 transitions. [2022-11-19 06:46:08,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:08,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 106 [2022-11-19 06:46:08,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:08,505 INFO L225 Difference]: With dead ends: 16870 [2022-11-19 06:46:08,505 INFO L226 Difference]: Without dead ends: 10205 [2022-11-19 06:46:08,525 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 [2022-11-19 06:46:08,527 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 483 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:08,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 1031 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:46:08,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10205 states. [2022-11-19 06:46:09,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10205 to 10196. [2022-11-19 06:46:09,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10196 states, 7370 states have (on average 1.4145183175033922) internal successors, (10425), 7395 states have internal predecessors, (10425), 1950 states have call successors, (1950), 876 states have call predecessors, (1950), 875 states have return successors, (1972), 1944 states have call predecessors, (1972), 1948 states have call successors, (1972) [2022-11-19 06:46:09,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10196 states to 10196 states and 14347 transitions. [2022-11-19 06:46:09,340 INFO L78 Accepts]: Start accepts. Automaton has 10196 states and 14347 transitions. Word has length 106 [2022-11-19 06:46:09,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:09,341 INFO L495 AbstractCegarLoop]: Abstraction has 10196 states and 14347 transitions. [2022-11-19 06:46:09,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-19 06:46:09,342 INFO L276 IsEmpty]: Start isEmpty. Operand 10196 states and 14347 transitions. [2022-11-19 06:46:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-19 06:46:09,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:09,345 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:09,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 06:46:09,346 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:09,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:09,347 INFO L85 PathProgramCache]: Analyzing trace with hash 297052460, now seen corresponding path program 1 times [2022-11-19 06:46:09,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:09,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14420139] [2022-11-19 06:46:09,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:09,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-19 06:46:09,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:09,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14420139] [2022-11-19 06:46:09,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14420139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:09,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:09,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:46:09,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686125339] [2022-11-19 06:46:09,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:09,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:46:09,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:09,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:46:09,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:46:09,845 INFO L87 Difference]: Start difference. First operand 10196 states and 14347 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 06:46:10,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:10,961 INFO L93 Difference]: Finished difference Result 15621 states and 22058 transitions. [2022-11-19 06:46:10,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:46:10,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 104 [2022-11-19 06:46:10,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:11,021 INFO L225 Difference]: With dead ends: 15621 [2022-11-19 06:46:11,021 INFO L226 Difference]: Without dead ends: 10453 [2022-11-19 06:46:11,042 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 [2022-11-19 06:46:11,043 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 15 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:11,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 948 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:46:11,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10453 states. [2022-11-19 06:46:11,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10453 to 10196. [2022-11-19 06:46:11,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10196 states, 7370 states have (on average 1.4101763907734057) internal successors, (10393), 7395 states have internal predecessors, (10393), 1950 states have call successors, (1950), 876 states have call predecessors, (1950), 875 states have return successors, (1972), 1944 states have call predecessors, (1972), 1948 states have call successors, (1972) [2022-11-19 06:46:11,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10196 states to 10196 states and 14315 transitions. [2022-11-19 06:46:11,950 INFO L78 Accepts]: Start accepts. Automaton has 10196 states and 14315 transitions. Word has length 104 [2022-11-19 06:46:11,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:11,950 INFO L495 AbstractCegarLoop]: Abstraction has 10196 states and 14315 transitions. [2022-11-19 06:46:11,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 06:46:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 10196 states and 14315 transitions. [2022-11-19 06:46:11,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-19 06:46:11,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:11,955 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:11,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 06:46:11,955 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:11,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:11,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1963857282, now seen corresponding path program 1 times [2022-11-19 06:46:11,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:11,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425056925] [2022-11-19 06:46:11,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:11,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-19 06:46:12,926 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:12,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425056925] [2022-11-19 06:46:12,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425056925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:12,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:12,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:46:12,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780002252] [2022-11-19 06:46:12,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:12,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:46:12,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:12,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:46:12,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:46:12,929 INFO L87 Difference]: Start difference. First operand 10196 states and 14315 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-19 06:46:14,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:14,553 INFO L93 Difference]: Finished difference Result 10375 states and 14557 transitions. [2022-11-19 06:46:14,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:46:14,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 105 [2022-11-19 06:46:14,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:14,603 INFO L225 Difference]: With dead ends: 10375 [2022-11-19 06:46:14,604 INFO L226 Difference]: Without dead ends: 10372 [2022-11-19 06:46:14,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:46:14,612 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 481 mSDsluCounter, 1564 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 2111 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:14,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 2111 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 06:46:14,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10372 states. [2022-11-19 06:46:15,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10372 to 10340. [2022-11-19 06:46:15,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10340 states, 7482 states have (on average 1.4061748195669608) internal successors, (10521), 7507 states have internal predecessors, (10521), 1966 states have call successors, (1966), 892 states have call predecessors, (1966), 891 states have return successors, (1988), 1960 states have call predecessors, (1988), 1964 states have call successors, (1988) [2022-11-19 06:46:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10340 states to 10340 states and 14475 transitions. [2022-11-19 06:46:15,380 INFO L78 Accepts]: Start accepts. Automaton has 10340 states and 14475 transitions. Word has length 105 [2022-11-19 06:46:15,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:15,381 INFO L495 AbstractCegarLoop]: Abstraction has 10340 states and 14475 transitions. [2022-11-19 06:46:15,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-19 06:46:15,381 INFO L276 IsEmpty]: Start isEmpty. Operand 10340 states and 14475 transitions. [2022-11-19 06:46:15,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-19 06:46:15,392 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:15,392 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:15,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 06:46:15,393 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:15,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:15,393 INFO L85 PathProgramCache]: Analyzing trace with hash -640780707, now seen corresponding path program 1 times [2022-11-19 06:46:15,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:15,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76062905] [2022-11-19 06:46:15,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:15,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:16,208 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-19 06:46:16,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:16,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76062905] [2022-11-19 06:46:16,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76062905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:16,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:16,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:46:16,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393984035] [2022-11-19 06:46:16,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:16,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:46:16,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:16,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:46:16,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:46:16,212 INFO L87 Difference]: Start difference. First operand 10340 states and 14475 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 06:46:19,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:19,690 INFO L93 Difference]: Finished difference Result 15491 states and 21744 transitions. [2022-11-19 06:46:19,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:46:19,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2022-11-19 06:46:19,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:19,774 INFO L225 Difference]: With dead ends: 15491 [2022-11-19 06:46:19,774 INFO L226 Difference]: Without dead ends: 15483 [2022-11-19 06:46:19,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:46:19,787 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 1290 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 530 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:19,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1355 Valid, 527 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [530 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-19 06:46:19,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15483 states. [2022-11-19 06:46:20,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15483 to 15371. [2022-11-19 06:46:20,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15371 states, 11108 states have (on average 1.4072740367302845) internal successors, (15632), 11161 states have internal predecessors, (15632), 2928 states have call successors, (2928), 1319 states have call predecessors, (2928), 1334 states have return successors, (3046), 2920 states have call predecessors, (3046), 2926 states have call successors, (3046) [2022-11-19 06:46:20,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15371 states to 15371 states and 21606 transitions. [2022-11-19 06:46:20,795 INFO L78 Accepts]: Start accepts. Automaton has 15371 states and 21606 transitions. Word has length 119 [2022-11-19 06:46:20,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:20,795 INFO L495 AbstractCegarLoop]: Abstraction has 15371 states and 21606 transitions. [2022-11-19 06:46:20,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 06:46:20,796 INFO L276 IsEmpty]: Start isEmpty. Operand 15371 states and 21606 transitions. [2022-11-19 06:46:20,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-19 06:46:20,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:20,806 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:20,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 06:46:20,807 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:20,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:20,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1427012085, now seen corresponding path program 1 times [2022-11-19 06:46:20,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:20,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896681983] [2022-11-19 06:46:20,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:20,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:21,167 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-11-19 06:46:21,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:21,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896681983] [2022-11-19 06:46:21,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896681983] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:46:21,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631827234] [2022-11-19 06:46:21,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:21,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:21,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:21,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:46:21,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:46:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:21,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-19 06:46:21,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:46:22,215 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-19 06:46:22,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:46:22,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631827234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:22,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 06:46:22,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2022-11-19 06:46:22,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404503463] [2022-11-19 06:46:22,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:22,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 06:46:22,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:22,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 06:46:22,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:46:22,218 INFO L87 Difference]: Start difference. First operand 15371 states and 21606 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 06:46:26,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:26,813 INFO L93 Difference]: Finished difference Result 20524 states and 28852 transitions. [2022-11-19 06:46:26,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 06:46:26,814 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 121 [2022-11-19 06:46:26,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:26,895 INFO L225 Difference]: With dead ends: 20524 [2022-11-19 06:46:26,895 INFO L226 Difference]: Without dead ends: 20516 [2022-11-19 06:46:26,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-19 06:46:26,910 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 1115 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 2038 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 2446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 2038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:26,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 874 Invalid, 2446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 2038 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-19 06:46:26,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20516 states. [2022-11-19 06:46:28,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20516 to 20402. [2022-11-19 06:46:28,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20402 states, 14734 states have (on average 1.4078322247862087) internal successors, (20743), 14815 states have internal predecessors, (20743), 3890 states have call successors, (3890), 1746 states have call predecessors, (3890), 1777 states have return successors, (4080), 3880 states have call predecessors, (4080), 3888 states have call successors, (4080) [2022-11-19 06:46:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20402 states to 20402 states and 28713 transitions. [2022-11-19 06:46:28,792 INFO L78 Accepts]: Start accepts. Automaton has 20402 states and 28713 transitions. Word has length 121 [2022-11-19 06:46:28,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:28,793 INFO L495 AbstractCegarLoop]: Abstraction has 20402 states and 28713 transitions. [2022-11-19 06:46:28,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 3 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 06:46:28,793 INFO L276 IsEmpty]: Start isEmpty. Operand 20402 states and 28713 transitions. [2022-11-19 06:46:28,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-19 06:46:28,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:28,818 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:28,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 06:46:29,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-19 06:46:29,026 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:29,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:29,027 INFO L85 PathProgramCache]: Analyzing trace with hash -214137888, now seen corresponding path program 1 times [2022-11-19 06:46:29,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:29,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262744127] [2022-11-19 06:46:29,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:29,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:30,829 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-19 06:46:30,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:30,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262744127] [2022-11-19 06:46:30,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262744127] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:46:30,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424569100] [2022-11-19 06:46:30,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:30,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:30,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:30,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:46:30,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:46:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:31,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1618 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-19 06:46:31,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:46:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-19 06:46:31,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:46:32,381 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-19 06:46:32,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424569100] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:46:32,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1390336240] [2022-11-19 06:46:32,408 INFO L159 IcfgInterpreter]: Started Sifa with 74 locations of interest [2022-11-19 06:46:32,408 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:46:32,412 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:46:32,418 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:46:32,418 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:46:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:34,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:34,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:34,184 INFO L217 Elim1Store]: Index analysis took 105 ms [2022-11-19 06:46:37,813 INFO L321 Elim1Store]: treesize reduction 1654, result has 21.5 percent of original size [2022-11-19 06:46:37,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 384 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 111 case distinctions, treesize of input 180 treesize of output 573 [2022-11-19 06:46:38,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:38,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:38,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:38,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 438 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 232 [2022-11-19 06:46:40,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:40,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:40,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:40,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 438 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 91 [2022-11-19 06:46:40,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:40,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:40,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 31 select indices, 31 select index equivalence classes, 465 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 94 [2022-11-19 06:46:41,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:41,303 INFO L217 Elim1Store]: Index analysis took 115 ms [2022-11-19 06:46:41,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 86 select indices, 86 select index equivalence classes, 2158 disjoint index pairs (out of 3655 index pairs), introduced 86 new quantified variables, introduced 0 case distinctions, treesize of input 777 treesize of output 267 [2022-11-19 06:46:43,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 438 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 91 [2022-11-19 06:46:43,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 86 select indices, 86 select index equivalence classes, 2158 disjoint index pairs (out of 3655 index pairs), introduced 86 new quantified variables, introduced 0 case distinctions, treesize of input 777 treesize of output 267 [2022-11-19 06:46:43,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:43,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 31 select indices, 31 select index equivalence classes, 465 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 94 [2022-11-19 06:46:47,314 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 1132 for LOIs [2022-11-19 06:46:50,769 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 570 for LOIs [2022-11-19 06:46:51,099 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:47:06,468 WARN L233 SmtUtils]: Spent 15.15s on a formula simplification. DAG size of input: 1128 DAG size of output: 966 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:47:12,755 WARN L233 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 1132 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:47:19,047 WARN L233 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 1140 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:47:25,511 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 1146 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:47:33,800 WARN L233 SmtUtils]: Spent 8.03s on a formula simplification. DAG size of input: 687 DAG size of output: 678 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:47:42,511 WARN L233 SmtUtils]: Spent 8.42s on a formula simplification. DAG size of input: 705 DAG size of output: 696 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:47:47,968 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 570 DAG size of output: 567 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:47:53,412 WARN L233 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 572 DAG size of output: 569 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:47:53,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1390336240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:47:53,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:47:53,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 7, 8] total 23 [2022-11-19 06:47:53,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412855182] [2022-11-19 06:47:53,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:47:53,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 06:47:53,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:47:53,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 06:47:53,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2022-11-19 06:47:53,495 INFO L87 Difference]: Start difference. First operand 20402 states and 28713 transitions. Second operand has 10 states, 8 states have (on average 6.875) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-19 06:48:06,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:48:06,546 INFO L93 Difference]: Finished difference Result 40789 states and 57411 transitions. [2022-11-19 06:48:06,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 06:48:06,547 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.875) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 140 [2022-11-19 06:48:06,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:48:06,614 INFO L225 Difference]: With dead ends: 40789 [2022-11-19 06:48:06,615 INFO L226 Difference]: Without dead ends: 20408 [2022-11-19 06:48:06,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 407 SyntacticMatches, 7 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 62.5s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2022-11-19 06:48:06,666 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 3 mSDsluCounter, 1907 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2368 SdHoareTripleChecker+Invalid, 1981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 649 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:48:06,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2368 Invalid, 1981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1332 Invalid, 0 Unknown, 649 Unchecked, 11.8s Time] [2022-11-19 06:48:06,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20408 states. [2022-11-19 06:48:08,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20408 to 20408. [2022-11-19 06:48:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20408 states, 14738 states have (on average 1.4077215361650155) internal successors, (20747), 14819 states have internal predecessors, (20747), 3891 states have call successors, (3891), 1747 states have call predecessors, (3891), 1778 states have return successors, (4082), 3881 states have call predecessors, (4082), 3889 states have call successors, (4082) [2022-11-19 06:48:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20408 states to 20408 states and 28720 transitions. [2022-11-19 06:48:08,217 INFO L78 Accepts]: Start accepts. Automaton has 20408 states and 28720 transitions. Word has length 140 [2022-11-19 06:48:08,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:48:08,217 INFO L495 AbstractCegarLoop]: Abstraction has 20408 states and 28720 transitions. [2022-11-19 06:48:08,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.875) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-19 06:48:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 20408 states and 28720 transitions. [2022-11-19 06:48:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-19 06:48:08,237 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:48:08,237 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:48:08,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:48:08,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-19 06:48:08,456 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:48:08,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:48:08,456 INFO L85 PathProgramCache]: Analyzing trace with hash 470672329, now seen corresponding path program 1 times [2022-11-19 06:48:08,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:48:08,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331196961] [2022-11-19 06:48:08,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:48:08,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:48:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:48:10,074 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-19 06:48:10,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:48:10,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331196961] [2022-11-19 06:48:10,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331196961] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:48:10,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676197049] [2022-11-19 06:48:10,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:48:10,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:48:10,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:48:10,079 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:48:10,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:48:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:48:10,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 1631 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-19 06:48:10,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:48:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-19 06:48:10,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:48:10,871 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-19 06:48:10,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676197049] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:48:10,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [376215715] [2022-11-19 06:48:10,878 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2022-11-19 06:48:10,879 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:48:10,879 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:48:10,880 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:48:10,880 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:48:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:11,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:11,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:15,159 INFO L321 Elim1Store]: treesize reduction 1654, result has 21.5 percent of original size [2022-11-19 06:48:15,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 384 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 111 case distinctions, treesize of input 180 treesize of output 573 [2022-11-19 06:48:15,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:15,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:15,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 438 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 232 [2022-11-19 06:48:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:17,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:17,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:17,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 31 select indices, 31 select index equivalence classes, 465 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 94 [2022-11-19 06:48:18,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 86 select indices, 86 select index equivalence classes, 2158 disjoint index pairs (out of 3655 index pairs), introduced 86 new quantified variables, introduced 0 case distinctions, treesize of input 777 treesize of output 267 [2022-11-19 06:48:18,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:18,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 438 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 91 [2022-11-19 06:48:20,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 86 select indices, 86 select index equivalence classes, 2158 disjoint index pairs (out of 3655 index pairs), introduced 86 new quantified variables, introduced 0 case distinctions, treesize of input 777 treesize of output 267 [2022-11-19 06:48:20,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 438 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 91 [2022-11-19 06:48:20,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:20,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 31 select indices, 31 select index equivalence classes, 465 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 94 [2022-11-19 06:48:21,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 06:48:21,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 06:48:21,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 06:48:21,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 06:48:21,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-19 06:48:21,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-19 06:48:21,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 06:48:21,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 06:48:21,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 06:48:22,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 56 select indices, 56 select index equivalence classes, 594 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 499 treesize of output 169 [2022-11-19 06:48:22,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:22,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 56 select indices, 56 select index equivalence classes, 594 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 499 treesize of output 169 [2022-11-19 06:48:23,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 56 select indices, 56 select index equivalence classes, 594 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 499 treesize of output 169 [2022-11-19 06:48:23,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:48:23,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 56 select indices, 56 select index equivalence classes, 594 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 499 treesize of output 169 [2022-11-19 06:49:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 17 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2022-11-19 06:49:19,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-19 06:49:19,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 11 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2022-11-19 06:49:19,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:19,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-11-19 06:49:19,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 06:49:20,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:20,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:20,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:20,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:20,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:20,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 17 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 53 [2022-11-19 06:49:20,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:49:20,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 06:49:27,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 06:49:27,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-19 06:49:27,605 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostconditionCall(PredicateTransformer.java:157) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postCall(SymbolicTools.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:218) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:207) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-19 06:49:27,610 INFO L158 Benchmark]: Toolchain (without parser) took 214494.64ms. Allocated memory was 111.1MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 82.1MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2022-11-19 06:49:27,611 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 111.1MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:49:27,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1809.30ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 82.1MB in the beginning and 77.8MB in the end (delta: 4.2MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2022-11-19 06:49:27,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 177.74ms. Allocated memory is still 138.4MB. Free memory was 77.8MB in the beginning and 66.6MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 06:49:27,612 INFO L158 Benchmark]: Boogie Preprocessor took 166.54ms. Allocated memory is still 138.4MB. Free memory was 66.6MB in the beginning and 54.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 06:49:27,612 INFO L158 Benchmark]: RCFGBuilder took 2921.36ms. Allocated memory was 138.4MB in the beginning and 241.2MB in the end (delta: 102.8MB). Free memory was 54.8MB in the beginning and 146.3MB in the end (delta: -91.6MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2022-11-19 06:49:27,612 INFO L158 Benchmark]: TraceAbstraction took 209414.05ms. Allocated memory was 241.2MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 145.3MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2022-11-19 06:49:27,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 111.1MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1809.30ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 82.1MB in the beginning and 77.8MB in the end (delta: 4.2MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 177.74ms. Allocated memory is still 138.4MB. Free memory was 77.8MB in the beginning and 66.6MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 166.54ms. Allocated memory is still 138.4MB. Free memory was 66.6MB in the beginning and 54.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2921.36ms. Allocated memory was 138.4MB in the beginning and 241.2MB in the end (delta: 102.8MB). Free memory was 54.8MB in the beginning and 146.3MB in the end (delta: -91.6MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. * TraceAbstraction took 209414.05ms. Allocated memory was 241.2MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 145.3MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-19 06:49:27,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS --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 a9a20f3f691c8614da828fa262b8d39a0b290d1ce7d7bab1e11653a91cb5fcdd --- 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-8393723 [2022-11-19 06:49:30,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:49:30,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:49:30,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:49:30,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:49:30,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:49:30,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:49:30,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:49:30,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:49:30,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:49:30,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:49:30,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:49:30,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:49:30,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:49:30,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:49:30,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:49:30,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:49:30,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:49:30,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:49:30,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:49:30,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:49:30,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:49:30,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:49:30,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:49:30,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:49:30,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:49:30,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:49:30,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:49:30,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:49:30,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:49:30,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:49:30,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:49:30,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:49:30,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:49:30,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:49:30,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:49:30,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:49:30,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:49:30,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:49:30,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:49:30,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:49:30,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 06:49:30,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:49:30,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:49:30,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:49:30,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:49:30,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:49:30,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:49:30,232 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:49:30,233 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:49:30,233 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:49:30,233 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:49:30,234 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:49:30,235 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:49:30,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:49:30,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:49:30,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:49:30,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:49:30,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:49:30,237 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 06:49:30,238 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 06:49:30,238 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 06:49:30,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:49:30,238 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:49:30,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:49:30,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:49:30,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 06:49:30,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:49:30,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:49:30,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:49:30,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:49:30,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:49:30,240 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 06:49:30,241 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 06:49:30,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:49:30,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:49:30,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 06:49:30,242 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9a20f3f691c8614da828fa262b8d39a0b290d1ce7d7bab1e11653a91cb5fcdd [2022-11-19 06:49:30,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:49:30,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:49:30,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:49:30,642 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:49:30,643 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:49:30,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2022-11-19 06:49:30,728 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/data/5d7fc6bdc/302a37fddf7d4b6299c25bbb2b2627ce/FLAGd86039a53 [2022-11-19 06:49:31,536 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:49:31,536 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2022-11-19 06:49:31,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/data/5d7fc6bdc/302a37fddf7d4b6299c25bbb2b2627ce/FLAGd86039a53 [2022-11-19 06:49:31,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/data/5d7fc6bdc/302a37fddf7d4b6299c25bbb2b2627ce [2022-11-19 06:49:31,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:49:31,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:49:31,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:49:31,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:49:31,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:49:31,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:49:31" (1/1) ... [2022-11-19 06:49:31,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55bc31ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:31, skipping insertion in model container [2022-11-19 06:49:31,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:49:31" (1/1) ... [2022-11-19 06:49:31,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:49:31,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:49:32,740 WARN L234 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_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i[161908,161921] [2022-11-19 06:49:33,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:49:33,243 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-19 06:49:33,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:49:33,417 WARN L234 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_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i[161908,161921] [2022-11-19 06:49:33,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:49:33,587 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:49:33,761 WARN L234 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_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i[161908,161921] [2022-11-19 06:49:33,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:49:33,959 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:49:33,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:33 WrapperNode [2022-11-19 06:49:33,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:49:33,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:49:33,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:49:33,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:49:33,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:33" (1/1) ... [2022-11-19 06:49:34,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:33" (1/1) ... [2022-11-19 06:49:34,115 INFO L138 Inliner]: procedures = 154, calls = 575, calls flagged for inlining = 59, calls inlined = 59, statements flattened = 1659 [2022-11-19 06:49:34,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:49:34,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:49:34,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:49:34,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:49:34,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:33" (1/1) ... [2022-11-19 06:49:34,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:33" (1/1) ... [2022-11-19 06:49:34,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:33" (1/1) ... [2022-11-19 06:49:34,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:33" (1/1) ... [2022-11-19 06:49:34,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:33" (1/1) ... [2022-11-19 06:49:34,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:33" (1/1) ... [2022-11-19 06:49:34,243 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:33" (1/1) ... [2022-11-19 06:49:34,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:33" (1/1) ... [2022-11-19 06:49:34,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:49:34,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:49:34,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:49:34,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:49:34,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:33" (1/1) ... [2022-11-19 06:49:34,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:49:34,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:49:34,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:49:34,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:49:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-11-19 06:49:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-11-19 06:49:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-19 06:49:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-19 06:49:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 06:49:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:49:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-19 06:49:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:49:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:49:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:49:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-19 06:49:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-19 06:49:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-11-19 06:49:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-11-19 06:49:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 06:49:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 06:49:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:49:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:49:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-19 06:49:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-19 06:49:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~C_INT [2022-11-19 06:49:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~C_INT [2022-11-19 06:49:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_suspend [2022-11-19 06:49:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_suspend [2022-11-19 06:49:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 06:49:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 06:49:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_resume [2022-11-19 06:49:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_resume [2022-11-19 06:49:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-19 06:49:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-19 06:49:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-19 06:49:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-19 06:49:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:49:34,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:49:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 06:49:34,395 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 06:49:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:49:34,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:49:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:49:34,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:49:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_tx_fixup [2022-11-19 06:49:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_tx_fixup [2022-11-19 06:49:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:49:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-19 06:49:34,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-19 06:49:34,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2022-11-19 06:49:34,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2022-11-19 06:49:34,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:49:34,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 06:49:34,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 06:49:34,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:49:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:49:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-19 06:49:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-19 06:49:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:49:34,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:49:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-19 06:49:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_bind [2022-11-19 06:49:34,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_bind [2022-11-19 06:49:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_manage_power [2022-11-19 06:49:34,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_manage_power [2022-11-19 06:49:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:49:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-19 06:49:34,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-19 06:49:34,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-19 06:49:34,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-19 06:49:34,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:49:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 06:49:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:49:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-19 06:49:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 06:49:34,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-19 06:49:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-19 06:49:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 06:49:34,406 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 06:49:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_rx_fixup [2022-11-19 06:49:34,406 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_rx_fixup [2022-11-19 06:49:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-19 06:49:34,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-19 06:49:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_unbind [2022-11-19 06:49:34,407 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_unbind [2022-11-19 06:49:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_mbim_unbind [2022-11-19 06:49:34,408 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_mbim_unbind [2022-11-19 06:49:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-19 06:49:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-19 06:49:34,408 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-19 06:49:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 06:49:34,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 06:49:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:49:34,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:49:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2022-11-19 06:49:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2022-11-19 06:49:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 06:49:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 06:49:34,987 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:49:34,990 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:49:37,437 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:49:44,239 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-19 06:49:45,224 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:49:45,235 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:49:45,236 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:49:45,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:49:45 BoogieIcfgContainer [2022-11-19 06:49:45,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:49:45,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:49:45,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:49:45,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:49:45,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:49:31" (1/3) ... [2022-11-19 06:49:45,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3352aa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:49:45, skipping insertion in model container [2022-11-19 06:49:45,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:49:33" (2/3) ... [2022-11-19 06:49:45,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3352aa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:49:45, skipping insertion in model container [2022-11-19 06:49:45,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:49:45" (3/3) ... [2022-11-19 06:49:45,248 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--cdc_mbim.ko-entry_point.cil.out.i [2022-11-19 06:49:45,268 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:49:45,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:49:45,330 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:49:45,336 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;@400d5867, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:49:45,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:49:45,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 518 states, 393 states have (on average 1.4071246819338423) internal successors, (553), 407 states have internal predecessors, (553), 94 states have call successors, (94), 31 states have call predecessors, (94), 29 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2022-11-19 06:49:45,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-19 06:49:45,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:49:45,356 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:49:45,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:49:45,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:49:45,362 INFO L85 PathProgramCache]: Analyzing trace with hash 887015266, now seen corresponding path program 1 times [2022-11-19 06:49:45,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:49:45,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85382319] [2022-11-19 06:49:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:45,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:49:45,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:49:45,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:49:45,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 06:49:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:46,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:49:46,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:49:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 06:49:46,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:49:46,189 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:49:46,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85382319] [2022-11-19 06:49:46,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [85382319] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:49:46,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:49:46,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:49:46,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321312435] [2022-11-19 06:49:46,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:49:46,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:49:46,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:49:46,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:49:46,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:49:46,226 INFO L87 Difference]: Start difference. First operand has 518 states, 393 states have (on average 1.4071246819338423) internal successors, (553), 407 states have internal predecessors, (553), 94 states have call successors, (94), 31 states have call predecessors, (94), 29 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 06:49:46,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:49:46,490 INFO L93 Difference]: Finished difference Result 1034 states and 1504 transitions. [2022-11-19 06:49:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:49:46,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2022-11-19 06:49:46,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:49:46,509 INFO L225 Difference]: With dead ends: 1034 [2022-11-19 06:49:46,509 INFO L226 Difference]: Without dead ends: 505 [2022-11-19 06:49:46,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:49:46,520 INFO L413 NwaCegarLoop]: 724 mSDtfsCounter, 2 mSDsluCounter, 1443 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:49:46,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2167 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:49:46,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2022-11-19 06:49:46,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 505. [2022-11-19 06:49:46,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 388 states have (on average 1.3891752577319587) internal successors, (539), 394 states have internal predecessors, (539), 88 states have call successors, (88), 29 states have call predecessors, (88), 28 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2022-11-19 06:49:46,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 709 transitions. [2022-11-19 06:49:46,598 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 709 transitions. Word has length 40 [2022-11-19 06:49:46,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:49:46,601 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 709 transitions. [2022-11-19 06:49:46,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 06:49:46,601 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 709 transitions. [2022-11-19 06:49:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 06:49:46,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:49:46,606 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:49:46,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-19 06:49:46,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:49:46,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:49:46,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:49:46,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1809082390, now seen corresponding path program 1 times [2022-11-19 06:49:46,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:49:46,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [917171911] [2022-11-19 06:49:46,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:46,825 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:49:46,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:49:46,827 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:49:46,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-19 06:49:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:47,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:49:47,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:49:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:49:47,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:49:47,882 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 06:49:47,883 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:49:47,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [917171911] [2022-11-19 06:49:47,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [917171911] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:49:47,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2143407954] [2022-11-19 06:49:47,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:47,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:49:47,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:49:47,887 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:49:47,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-19 06:49:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:48,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 06:49:48,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:49:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 06:49:48,672 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:49:48,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2143407954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:49:48,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:49:48,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-19 06:49:48,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673820851] [2022-11-19 06:49:48,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:49:48,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:49:48,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:49:48,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:49:48,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:49:48,677 INFO L87 Difference]: Start difference. First operand 505 states and 709 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-19 06:49:48,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:49:48,873 INFO L93 Difference]: Finished difference Result 1458 states and 2050 transitions. [2022-11-19 06:49:48,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:49:48,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-11-19 06:49:48,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:49:48,882 INFO L225 Difference]: With dead ends: 1458 [2022-11-19 06:49:48,883 INFO L226 Difference]: Without dead ends: 964 [2022-11-19 06:49:48,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:49:48,887 INFO L413 NwaCegarLoop]: 799 mSDtfsCounter, 645 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:49:48,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 1488 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:49:48,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2022-11-19 06:49:48,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 961. [2022-11-19 06:49:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 745 states have (on average 1.3946308724832215) internal successors, (1039), 752 states have internal predecessors, (1039), 159 states have call successors, (159), 57 states have call predecessors, (159), 56 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-19 06:49:48,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1351 transitions. [2022-11-19 06:49:48,964 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1351 transitions. Word has length 43 [2022-11-19 06:49:48,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:49:48,965 INFO L495 AbstractCegarLoop]: Abstraction has 961 states and 1351 transitions. [2022-11-19 06:49:48,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-19 06:49:48,965 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1351 transitions. [2022-11-19 06:49:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-19 06:49:48,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:49:48,970 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:49:48,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:49:49,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-11-19 06:49:49,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt [2022-11-19 06:49:49,381 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:49:49,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:49:49,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1541638956, now seen corresponding path program 1 times [2022-11-19 06:49:49,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:49:49,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224157372] [2022-11-19 06:49:49,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:49,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:49:49,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:49:49,385 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:49:49,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-19 06:49:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:50,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:49:50,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:49:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:49:50,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:49:50,465 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 06:49:50,465 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:49:50,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224157372] [2022-11-19 06:49:50,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224157372] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:49:50,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [388704783] [2022-11-19 06:49:50,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:50,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:49:50,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:49:50,468 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:49:50,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2022-11-19 06:49:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:51,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:49:51,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:49:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-19 06:49:51,767 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:49:51,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [388704783] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:49:51,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:49:51,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 9 [2022-11-19 06:49:51,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849723188] [2022-11-19 06:49:51,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:49:51,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:49:51,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:49:51,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:49:51,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:49:51,769 INFO L87 Difference]: Start difference. First operand 961 states and 1351 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:49:51,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:49:51,843 INFO L93 Difference]: Finished difference Result 963 states and 1352 transitions. [2022-11-19 06:49:51,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:49:51,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2022-11-19 06:49:51,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:49:51,850 INFO L225 Difference]: With dead ends: 963 [2022-11-19 06:49:51,850 INFO L226 Difference]: Without dead ends: 960 [2022-11-19 06:49:51,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:49:51,852 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 667 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:49:51,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 705 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:49:51,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-11-19 06:49:51,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2022-11-19 06:49:51,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 745 states have (on average 1.3932885906040269) internal successors, (1038), 751 states have internal predecessors, (1038), 158 states have call successors, (158), 57 states have call predecessors, (158), 56 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-19 06:49:51,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1349 transitions. [2022-11-19 06:49:51,933 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1349 transitions. Word has length 53 [2022-11-19 06:49:51,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:49:51,934 INFO L495 AbstractCegarLoop]: Abstraction has 960 states and 1349 transitions. [2022-11-19 06:49:51,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:49:51,935 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1349 transitions. [2022-11-19 06:49:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 06:49:51,941 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:49:51,942 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:49:51,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-11-19 06:49:52,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2022-11-19 06:49:52,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt [2022-11-19 06:49:52,363 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:49:52,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:49:52,364 INFO L85 PathProgramCache]: Analyzing trace with hash 545941179, now seen corresponding path program 1 times [2022-11-19 06:49:52,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:49:52,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555786746] [2022-11-19 06:49:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:52,365 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:49:52,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:49:52,367 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:49:52,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-19 06:49:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:53,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:49:53,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:49:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:49:53,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:49:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 06:49:53,308 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:49:53,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555786746] [2022-11-19 06:49:53,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1555786746] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:49:53,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [976025150] [2022-11-19 06:49:53,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:53,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:49:53,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:49:53,314 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:49:53,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2022-11-19 06:49:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:53,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:49:53,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:49:54,586 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-19 06:49:54,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:49:54,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [976025150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:49:54,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:49:54,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 9 [2022-11-19 06:49:54,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435295813] [2022-11-19 06:49:54,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:49:54,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:49:54,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:49:54,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:49:54,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:49:54,589 INFO L87 Difference]: Start difference. First operand 960 states and 1349 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:49:54,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:49:54,678 INFO L93 Difference]: Finished difference Result 962 states and 1350 transitions. [2022-11-19 06:49:54,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:49:54,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2022-11-19 06:49:54,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:49:54,685 INFO L225 Difference]: With dead ends: 962 [2022-11-19 06:49:54,685 INFO L226 Difference]: Without dead ends: 959 [2022-11-19 06:49:54,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:49:54,687 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 664 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:49:54,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 703 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:49:54,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2022-11-19 06:49:54,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2022-11-19 06:49:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 745 states have (on average 1.3919463087248323) internal successors, (1037), 750 states have internal predecessors, (1037), 157 states have call successors, (157), 57 states have call predecessors, (157), 56 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-19 06:49:54,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1347 transitions. [2022-11-19 06:49:54,816 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1347 transitions. Word has length 54 [2022-11-19 06:49:54,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:49:54,817 INFO L495 AbstractCegarLoop]: Abstraction has 959 states and 1347 transitions. [2022-11-19 06:49:54,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:49:54,817 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1347 transitions. [2022-11-19 06:49:54,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-19 06:49:54,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:49:54,820 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:49:54,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2022-11-19 06:49:55,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-19 06:49:55,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:49:55,235 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:49:55,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:49:55,235 INFO L85 PathProgramCache]: Analyzing trace with hash -255913969, now seen corresponding path program 1 times [2022-11-19 06:49:55,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:49:55,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235324779] [2022-11-19 06:49:55,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:55,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:49:55,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:49:55,238 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:49:55,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-19 06:49:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:55,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:49:55,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:49:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:49:55,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:49:56,151 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 06:49:56,151 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:49:56,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [235324779] [2022-11-19 06:49:56,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [235324779] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:49:56,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [744043071] [2022-11-19 06:49:56,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:56,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:49:56,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:49:56,155 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:49:56,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2022-11-19 06:49:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:56,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 06:49:56,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:49:57,031 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-19 06:49:57,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:49:57,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [744043071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:49:57,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:49:57,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 9 [2022-11-19 06:49:57,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331406418] [2022-11-19 06:49:57,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:49:57,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:49:57,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:49:57,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:49:57,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:49:57,034 INFO L87 Difference]: Start difference. First operand 959 states and 1347 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:49:57,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:49:57,151 INFO L93 Difference]: Finished difference Result 961 states and 1348 transitions. [2022-11-19 06:49:57,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:49:57,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2022-11-19 06:49:57,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:49:57,157 INFO L225 Difference]: With dead ends: 961 [2022-11-19 06:49:57,157 INFO L226 Difference]: Without dead ends: 958 [2022-11-19 06:49:57,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:49:57,159 INFO L413 NwaCegarLoop]: 701 mSDtfsCounter, 661 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:49:57,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 701 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:49:57,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2022-11-19 06:49:57,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2022-11-19 06:49:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 745 states have (on average 1.3906040268456377) internal successors, (1036), 749 states have internal predecessors, (1036), 156 states have call successors, (156), 57 states have call predecessors, (156), 56 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-19 06:49:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1345 transitions. [2022-11-19 06:49:57,248 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1345 transitions. Word has length 55 [2022-11-19 06:49:57,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:49:57,249 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1345 transitions. [2022-11-19 06:49:57,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:49:57,249 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1345 transitions. [2022-11-19 06:49:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-19 06:49:57,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:49:57,252 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:49:57,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-19 06:49:57,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2022-11-19 06:49:57,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt [2022-11-19 06:49:57,674 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:49:57,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:49:57,674 INFO L85 PathProgramCache]: Analyzing trace with hash 656385086, now seen corresponding path program 1 times [2022-11-19 06:49:57,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:49:57,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015376950] [2022-11-19 06:49:57,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:57,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:49:57,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:49:57,677 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:49:57,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-19 06:49:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:58,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:49:58,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:49:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:49:58,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:49:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 06:49:58,532 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:49:58,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2015376950] [2022-11-19 06:49:58,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2015376950] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:49:58,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [15671618] [2022-11-19 06:49:58,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:49:58,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:49:58,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:49:58,535 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:49:58,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2022-11-19 06:49:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:49:59,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 06:49:59,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:49:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-19 06:49:59,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:49:59,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [15671618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:49:59,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:49:59,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 9 [2022-11-19 06:49:59,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031423058] [2022-11-19 06:49:59,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:49:59,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:49:59,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:49:59,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:49:59,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:49:59,381 INFO L87 Difference]: Start difference. First operand 958 states and 1345 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:49:59,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:49:59,624 INFO L93 Difference]: Finished difference Result 2843 states and 4012 transitions. [2022-11-19 06:49:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:49:59,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 56 [2022-11-19 06:49:59,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:49:59,635 INFO L225 Difference]: With dead ends: 2843 [2022-11-19 06:49:59,636 INFO L226 Difference]: Without dead ends: 1896 [2022-11-19 06:49:59,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:49:59,640 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 653 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 1487 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:49:59,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 1487 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:49:59,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2022-11-19 06:49:59,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1892. [2022-11-19 06:49:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1892 states, 1474 states have (on average 1.39280868385346) internal successors, (2053), 1480 states have internal predecessors, (2053), 305 states have call successors, (305), 113 states have call predecessors, (305), 112 states have return successors, (310), 302 states have call predecessors, (310), 302 states have call successors, (310) [2022-11-19 06:49:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2668 transitions. [2022-11-19 06:49:59,815 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2668 transitions. Word has length 56 [2022-11-19 06:49:59,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:49:59,816 INFO L495 AbstractCegarLoop]: Abstraction has 1892 states and 2668 transitions. [2022-11-19 06:49:59,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:49:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2668 transitions. [2022-11-19 06:49:59,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 06:49:59,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:49:59,819 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:49:59,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:00,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:00,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:00,238 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:00,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:00,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1127110414, now seen corresponding path program 1 times [2022-11-19 06:50:00,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:00,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798392557] [2022-11-19 06:50:00,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:00,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:00,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:00,241 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:50:00,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-19 06:50:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:00,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:50:00,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:50:00,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:50:01,164 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 06:50:01,164 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:01,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798392557] [2022-11-19 06:50:01,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798392557] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:50:01,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [653088771] [2022-11-19 06:50:01,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:01,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:01,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:50:01,167 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:50:01,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2022-11-19 06:50:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:01,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 06:50:01,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:02,098 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-19 06:50:02,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:02,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [653088771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:02,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:50:02,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 9 [2022-11-19 06:50:02,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877962337] [2022-11-19 06:50:02,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:02,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:50:02,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:02,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:50:02,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:50:02,100 INFO L87 Difference]: Start difference. First operand 1892 states and 2668 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:50:02,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:02,307 INFO L93 Difference]: Finished difference Result 1894 states and 2669 transitions. [2022-11-19 06:50:02,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:50:02,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2022-11-19 06:50:02,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:02,323 INFO L225 Difference]: With dead ends: 1894 [2022-11-19 06:50:02,323 INFO L226 Difference]: Without dead ends: 1882 [2022-11-19 06:50:02,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:50:02,325 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 657 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:02,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 06:50:02,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1882 states. [2022-11-19 06:50:02,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1882 to 1882. [2022-11-19 06:50:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1882 states, 1465 states have (on average 1.3924914675767919) internal successors, (2040), 1470 states have internal predecessors, (2040), 304 states have call successors, (304), 113 states have call predecessors, (304), 112 states have return successors, (310), 302 states have call predecessors, (310), 302 states have call successors, (310) [2022-11-19 06:50:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1882 states and 2654 transitions. [2022-11-19 06:50:02,517 INFO L78 Accepts]: Start accepts. Automaton has 1882 states and 2654 transitions. Word has length 57 [2022-11-19 06:50:02,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:02,517 INFO L495 AbstractCegarLoop]: Abstraction has 1882 states and 2654 transitions. [2022-11-19 06:50:02,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 06:50:02,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2654 transitions. [2022-11-19 06:50:02,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-19 06:50:02,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:02,522 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:50:02,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:02,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:02,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:02,944 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:02,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:02,944 INFO L85 PathProgramCache]: Analyzing trace with hash 621197257, now seen corresponding path program 1 times [2022-11-19 06:50:02,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:02,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341160053] [2022-11-19 06:50:02,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:02,945 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:02,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:02,946 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:50:02,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-19 06:50:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:03,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:50:03,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:50:03,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:50:03,821 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 06:50:03,821 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:03,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341160053] [2022-11-19 06:50:03,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341160053] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:50:03,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [67495962] [2022-11-19 06:50:03,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:03,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:03,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:50:03,822 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:50:03,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2022-11-19 06:50:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:04,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 06:50:04,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 06:50:04,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:04,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [67495962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:04,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:50:04,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-19 06:50:04,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216998605] [2022-11-19 06:50:04,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:04,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:50:04,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:04,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:50:04,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:50:04,539 INFO L87 Difference]: Start difference. First operand 1882 states and 2654 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 06:50:05,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:05,065 INFO L93 Difference]: Finished difference Result 5480 states and 7689 transitions. [2022-11-19 06:50:05,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:50:05,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2022-11-19 06:50:05,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:05,085 INFO L225 Difference]: With dead ends: 5480 [2022-11-19 06:50:05,086 INFO L226 Difference]: Without dead ends: 3609 [2022-11-19 06:50:05,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:50:05,095 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 627 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:05,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [627 Valid, 1428 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:50:05,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3609 states. [2022-11-19 06:50:05,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3609 to 3592. [2022-11-19 06:50:05,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3592 states, 2803 states have (on average 1.3885123082411701) internal successors, (3892), 2814 states have internal predecessors, (3892), 564 states have call successors, (564), 225 states have call predecessors, (564), 224 states have return successors, (574), 560 states have call predecessors, (574), 562 states have call successors, (574) [2022-11-19 06:50:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 3592 states and 5030 transitions. [2022-11-19 06:50:05,522 INFO L78 Accepts]: Start accepts. Automaton has 3592 states and 5030 transitions. Word has length 68 [2022-11-19 06:50:05,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:05,524 INFO L495 AbstractCegarLoop]: Abstraction has 3592 states and 5030 transitions. [2022-11-19 06:50:05,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 06:50:05,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3592 states and 5030 transitions. [2022-11-19 06:50:05,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-19 06:50:05,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:05,527 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:50:05,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:05,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2022-11-19 06:50:05,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:05,954 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:05,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:05,954 INFO L85 PathProgramCache]: Analyzing trace with hash -217859917, now seen corresponding path program 1 times [2022-11-19 06:50:05,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:05,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899118882] [2022-11-19 06:50:05,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:05,956 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:05,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:05,959 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:50:05,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-19 06:50:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:06,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:50:06,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:06,671 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:50:06,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:50:06,884 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 06:50:06,884 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:06,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899118882] [2022-11-19 06:50:06,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899118882] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:50:06,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1799503987] [2022-11-19 06:50:06,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:06,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:06,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:50:06,896 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:50:06,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2022-11-19 06:50:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:07,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 06:50:07,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 06:50:07,671 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:07,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1799503987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:07,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:50:07,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-19 06:50:07,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179446455] [2022-11-19 06:50:07,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:07,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:50:07,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:07,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:50:07,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:50:07,673 INFO L87 Difference]: Start difference. First operand 3592 states and 5030 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 06:50:08,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:08,456 INFO L93 Difference]: Finished difference Result 9364 states and 13074 transitions. [2022-11-19 06:50:08,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:50:08,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 70 [2022-11-19 06:50:08,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:08,493 INFO L225 Difference]: With dead ends: 9364 [2022-11-19 06:50:08,493 INFO L226 Difference]: Without dead ends: 5783 [2022-11-19 06:50:08,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:50:08,546 INFO L413 NwaCegarLoop]: 1075 mSDtfsCounter, 616 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:08,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 1732 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:50:08,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5783 states. [2022-11-19 06:50:09,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5783 to 5770. [2022-11-19 06:50:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5770 states, 4512 states have (on average 1.3876329787234043) internal successors, (6261), 4527 states have internal predecessors, (6261), 882 states have call successors, (882), 376 states have call predecessors, (882), 375 states have return successors, (896), 878 states have call predecessors, (896), 880 states have call successors, (896) [2022-11-19 06:50:09,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5770 states to 5770 states and 8039 transitions. [2022-11-19 06:50:09,255 INFO L78 Accepts]: Start accepts. Automaton has 5770 states and 8039 transitions. Word has length 70 [2022-11-19 06:50:09,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:09,255 INFO L495 AbstractCegarLoop]: Abstraction has 5770 states and 8039 transitions. [2022-11-19 06:50:09,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 06:50:09,256 INFO L276 IsEmpty]: Start isEmpty. Operand 5770 states and 8039 transitions. [2022-11-19 06:50:09,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-19 06:50:09,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:09,272 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:50:09,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:09,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:09,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:09,695 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:09,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:09,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1338828396, now seen corresponding path program 1 times [2022-11-19 06:50:09,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:09,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427490583] [2022-11-19 06:50:09,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:09,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:09,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:09,699 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:50:09,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-19 06:50:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:10,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:50:10,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:10,529 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-19 06:50:10,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:50:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-19 06:50:10,747 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:10,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427490583] [2022-11-19 06:50:10,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427490583] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:50:10,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [661386791] [2022-11-19 06:50:10,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:10,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:10,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:50:10,749 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:50:10,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2022-11-19 06:50:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:11,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 06:50:11,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-19 06:50:11,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:11,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [661386791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:11,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:50:11,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-19 06:50:11,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965084198] [2022-11-19 06:50:11,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:11,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:50:11,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:11,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:50:11,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:50:11,790 INFO L87 Difference]: Start difference. First operand 5770 states and 8039 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-19 06:50:12,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:12,954 INFO L93 Difference]: Finished difference Result 14740 states and 20552 transitions. [2022-11-19 06:50:12,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:50:12,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 127 [2022-11-19 06:50:12,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:13,011 INFO L225 Difference]: With dead ends: 14740 [2022-11-19 06:50:13,012 INFO L226 Difference]: Without dead ends: 9007 [2022-11-19 06:50:13,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:50:13,034 INFO L413 NwaCegarLoop]: 980 mSDtfsCounter, 623 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:13,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 1620 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:50:13,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9007 states. [2022-11-19 06:50:14,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9007 to 8994. [2022-11-19 06:50:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8994 states, 7088 states have (on average 1.3838882618510158) internal successors, (9809), 7107 states have internal predecessors, (9809), 1322 states have call successors, (1322), 584 states have call predecessors, (1322), 583 states have return successors, (1340), 1318 states have call predecessors, (1340), 1320 states have call successors, (1340) [2022-11-19 06:50:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8994 states to 8994 states and 12471 transitions. [2022-11-19 06:50:14,322 INFO L78 Accepts]: Start accepts. Automaton has 8994 states and 12471 transitions. Word has length 127 [2022-11-19 06:50:14,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:14,323 INFO L495 AbstractCegarLoop]: Abstraction has 8994 states and 12471 transitions. [2022-11-19 06:50:14,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-19 06:50:14,324 INFO L276 IsEmpty]: Start isEmpty. Operand 8994 states and 12471 transitions. [2022-11-19 06:50:14,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-19 06:50:14,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:14,330 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:50:14,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:14,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2022-11-19 06:50:14,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:14,754 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:14,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:14,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1276169836, now seen corresponding path program 1 times [2022-11-19 06:50:14,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:14,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1597661651] [2022-11-19 06:50:14,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:14,756 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:14,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:14,758 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:50:14,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-19 06:50:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:15,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:50:15,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:15,526 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-19 06:50:15,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:50:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-19 06:50:15,802 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:15,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1597661651] [2022-11-19 06:50:15,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1597661651] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:50:15,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1413896577] [2022-11-19 06:50:15,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:15,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:15,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:50:15,805 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:50:15,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2022-11-19 06:50:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:16,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 06:50:16,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-11-19 06:50:16,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:16,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1413896577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:16,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-19 06:50:16,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-19 06:50:16,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396047445] [2022-11-19 06:50:16,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:16,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:50:16,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:16,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:50:16,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:50:16,752 INFO L87 Difference]: Start difference. First operand 8994 states and 12471 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-19 06:50:18,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:18,115 INFO L93 Difference]: Finished difference Result 22762 states and 31592 transitions. [2022-11-19 06:50:18,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:50:18,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 126 [2022-11-19 06:50:18,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:18,195 INFO L225 Difference]: With dead ends: 22762 [2022-11-19 06:50:18,196 INFO L226 Difference]: Without dead ends: 13805 [2022-11-19 06:50:18,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:50:18,228 INFO L413 NwaCegarLoop]: 1035 mSDtfsCounter, 634 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 1685 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:18,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [634 Valid, 1685 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:50:18,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13805 states. [2022-11-19 06:50:19,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13805 to 13788. [2022-11-19 06:50:19,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13788 states, 10930 states have (on average 1.3801463860933212) internal successors, (15085), 10955 states have internal predecessors, (15085), 1966 states have call successors, (1966), 892 states have call predecessors, (1966), 891 states have return successors, (1988), 1960 states have call predecessors, (1988), 1964 states have call successors, (1988) [2022-11-19 06:50:19,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13788 states to 13788 states and 19039 transitions. [2022-11-19 06:50:19,828 INFO L78 Accepts]: Start accepts. Automaton has 13788 states and 19039 transitions. Word has length 126 [2022-11-19 06:50:19,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:19,829 INFO L495 AbstractCegarLoop]: Abstraction has 13788 states and 19039 transitions. [2022-11-19 06:50:19,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-19 06:50:19,829 INFO L276 IsEmpty]: Start isEmpty. Operand 13788 states and 19039 transitions. [2022-11-19 06:50:19,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-19 06:50:19,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:19,835 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:50:19,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:20,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:20,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:20,258 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:20,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:20,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1163207446, now seen corresponding path program 1 times [2022-11-19 06:50:20,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:20,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874362100] [2022-11-19 06:50:20,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:20,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:20,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:20,261 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:50:20,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-11-19 06:50:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:21,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:50:21,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:21,087 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-19 06:50:21,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:50:21,299 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-19 06:50:21,299 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:21,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874362100] [2022-11-19 06:50:21,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [874362100] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:50:21,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [608605709] [2022-11-19 06:50:21,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:21,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:21,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:50:21,304 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:50:21,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2022-11-19 06:50:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:22,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:50:22,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-19 06:50:22,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:50:23,018 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-19 06:50:23,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [608605709] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:50:23,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229220980] [2022-11-19 06:50:23,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:23,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:50:23,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:50:23,022 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:50:23,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-11-19 06:50:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:23,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:50:23,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:24,295 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-11-19 06:50:24,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:24,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229220980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:24,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-19 06:50:24,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5, 5, 5] total 10 [2022-11-19 06:50:24,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572150339] [2022-11-19 06:50:24,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:24,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:50:24,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:24,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:50:24,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:50:24,298 INFO L87 Difference]: Start difference. First operand 13788 states and 19039 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-19 06:50:28,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:28,438 INFO L93 Difference]: Finished difference Result 34477 states and 47732 transitions. [2022-11-19 06:50:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:50:28,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 125 [2022-11-19 06:50:28,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:28,584 INFO L225 Difference]: With dead ends: 34477 [2022-11-19 06:50:28,584 INFO L226 Difference]: Without dead ends: 27556 [2022-11-19 06:50:28,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-19 06:50:28,618 INFO L413 NwaCegarLoop]: 1457 mSDtfsCounter, 1290 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 2669 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:28,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1290 Valid, 2669 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-19 06:50:28,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27556 states. [2022-11-19 06:50:31,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27556 to 27526. [2022-11-19 06:50:31,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27526 states, 21826 states have (on average 1.3799138641986621) internal successors, (30118), 21875 states have internal predecessors, (30118), 3922 states have call successors, (3922), 1778 states have call predecessors, (3922), 1777 states have return successors, (4040), 3912 states have call predecessors, (4040), 3920 states have call successors, (4040) [2022-11-19 06:50:31,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27526 states to 27526 states and 38080 transitions. [2022-11-19 06:50:31,533 INFO L78 Accepts]: Start accepts. Automaton has 27526 states and 38080 transitions. Word has length 125 [2022-11-19 06:50:31,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:31,534 INFO L495 AbstractCegarLoop]: Abstraction has 27526 states and 38080 transitions. [2022-11-19 06:50:31,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-19 06:50:31,534 INFO L276 IsEmpty]: Start isEmpty. Operand 27526 states and 38080 transitions. [2022-11-19 06:50:31,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-19 06:50:31,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:31,539 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:50:31,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:31,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:31,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2022-11-19 06:50:32,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:50:32,159 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:32,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:32,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1458758311, now seen corresponding path program 1 times [2022-11-19 06:50:32,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:32,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356643520] [2022-11-19 06:50:32,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:32,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:32,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:32,162 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:50:32,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-19 06:50:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:33,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:50:33,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-19 06:50:33,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:50:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-19 06:50:33,382 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:33,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356643520] [2022-11-19 06:50:33,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356643520] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:50:33,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [684282183] [2022-11-19 06:50:33,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:33,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:33,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:50:33,383 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:50:33,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2022-11-19 06:50:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:34,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:50:34,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:34,848 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-19 06:50:34,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:50:34,969 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-19 06:50:34,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [684282183] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:50:34,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649133637] [2022-11-19 06:50:34,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:34,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:50:34,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:50:34,971 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:50:34,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-11-19 06:50:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:35,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 06:50:35,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:36,037 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-11-19 06:50:36,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:36,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649133637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:36,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-19 06:50:36,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 5, 5, 5] total 13 [2022-11-19 06:50:36,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040786969] [2022-11-19 06:50:36,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:36,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 06:50:36,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:36,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 06:50:36,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-11-19 06:50:36,040 INFO L87 Difference]: Start difference. First operand 27526 states and 38080 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-19 06:50:39,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:39,291 INFO L93 Difference]: Finished difference Result 48689 states and 67270 transitions. [2022-11-19 06:50:39,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:50:39,291 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 126 [2022-11-19 06:50:39,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:39,391 INFO L225 Difference]: With dead ends: 48689 [2022-11-19 06:50:39,391 INFO L226 Difference]: Without dead ends: 28037 [2022-11-19 06:50:39,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 614 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-11-19 06:50:39,440 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 33 mSDsluCounter, 3499 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 4205 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:39,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 4205 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:50:39,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28037 states. [2022-11-19 06:50:40,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28037 to 14027. [2022-11-19 06:50:40,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14027 states, 11153 states have (on average 1.372545503451986) internal successors, (15308), 11194 states have internal predecessors, (15308), 1966 states have call successors, (1966), 892 states have call predecessors, (1966), 907 states have return successors, (1988), 1960 states have call predecessors, (1988), 1964 states have call successors, (1988) [2022-11-19 06:50:40,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14027 states to 14027 states and 19262 transitions. [2022-11-19 06:50:40,882 INFO L78 Accepts]: Start accepts. Automaton has 14027 states and 19262 transitions. Word has length 126 [2022-11-19 06:50:40,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:40,883 INFO L495 AbstractCegarLoop]: Abstraction has 14027 states and 19262 transitions. [2022-11-19 06:50:40,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-19 06:50:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 14027 states and 19262 transitions. [2022-11-19 06:50:40,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-19 06:50:40,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:50:40,894 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:50:40,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:41,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:41,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-11-19 06:50:41,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:50:41,516 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:50:41,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:50:41,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1467228508, now seen corresponding path program 1 times [2022-11-19 06:50:41,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 06:50:41,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534075252] [2022-11-19 06:50:41,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:41,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 06:50:41,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 06:50:41,520 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 06:50:41,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-19 06:50:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:42,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:50:42,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:42,532 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-19 06:50:42,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:50:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-11-19 06:50:42,738 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 06:50:42,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534075252] [2022-11-19 06:50:42,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [534075252] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:50:42,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [751047153] [2022-11-19 06:50:42,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:42,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 06:50:42,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 06:50:42,747 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 06:50:42,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2022-11-19 06:50:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:44,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 06:50:44,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:44,368 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-19 06:50:44,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:50:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-11-19 06:50:44,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [751047153] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:50:44,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163051426] [2022-11-19 06:50:44,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:50:44,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:50:44,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:50:44,499 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:50:44,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-11-19 06:50:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:50:45,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 06:50:45,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:50:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-11-19 06:50:45,513 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:50:45,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163051426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:50:45,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-19 06:50:45,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 5, 5, 5] total 12 [2022-11-19 06:50:45,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170290825] [2022-11-19 06:50:45,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:50:45,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:50:45,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 06:50:45,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:50:45,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-19 06:50:45,516 INFO L87 Difference]: Start difference. First operand 14027 states and 19262 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-19 06:50:46,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:50:46,678 INFO L93 Difference]: Finished difference Result 14123 states and 19374 transitions. [2022-11-19 06:50:46,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:50:46,679 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 143 [2022-11-19 06:50:46,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:50:46,680 INFO L225 Difference]: With dead ends: 14123 [2022-11-19 06:50:46,680 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 06:50:46,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 713 GetRequests, 700 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-11-19 06:50:46,705 INFO L413 NwaCegarLoop]: 685 mSDtfsCounter, 69 mSDsluCounter, 2680 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 3365 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:50:46,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 3365 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:50:46,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 06:50:46,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 06:50:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:50:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 06:50:46,708 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2022-11-19 06:50:46,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:50:46,708 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 06:50:46,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-19 06:50:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 06:50:46,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 06:50:46,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 06:50:46,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2022-11-19 06:50:46,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2022-11-19 06:50:47,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2022-11-19 06:50:47,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:50:47,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 06:51:12,238 INFO L899 garLoopResultBuilder]: For program point usbnet_resumeFINAL(lines 7155 7157) no Hoare annotation was computed. [2022-11-19 06:51:12,238 INFO L902 garLoopResultBuilder]: At program point usbnet_resumeENTRY(lines 7155 7157) the Hoare annotation is: true [2022-11-19 06:51:12,238 INFO L899 garLoopResultBuilder]: For program point usbnet_resumeEXIT(lines 7155 7157) no Hoare annotation was computed. [2022-11-19 06:51:12,238 INFO L902 garLoopResultBuilder]: At program point ldv_undef_intENTRY(lines 5604 5611) the Hoare annotation is: true [2022-11-19 06:51:12,238 INFO L899 garLoopResultBuilder]: For program point ldv_undef_intFINAL(lines 5604 5611) no Hoare annotation was computed. [2022-11-19 06:51:12,238 INFO L899 garLoopResultBuilder]: For program point ldv_undef_intEXIT(lines 5604 5611) no Hoare annotation was computed. [2022-11-19 06:51:12,238 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,239 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-11-19 06:51:12,239 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-19 06:51:12,239 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,239 INFO L902 garLoopResultBuilder]: At program point L7104(lines 7103 7105) the Hoare annotation is: true [2022-11-19 06:51:12,239 INFO L899 garLoopResultBuilder]: For program point L6016(line 6016) no Hoare annotation was computed. [2022-11-19 06:51:12,239 INFO L899 garLoopResultBuilder]: For program point L6006(lines 6006 6009) no Hoare annotation was computed. [2022-11-19 06:51:12,239 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_bindEXIT(lines 5983 6031) no Hoare annotation was computed. [2022-11-19 06:51:12,239 INFO L902 garLoopResultBuilder]: At program point L7138(line 7138) the Hoare annotation is: true [2022-11-19 06:51:12,239 INFO L902 garLoopResultBuilder]: At program point L5474(lines 5471 5476) the Hoare annotation is: true [2022-11-19 06:51:12,239 INFO L902 garLoopResultBuilder]: At program point L7138-2(lines 7137 7139) the Hoare annotation is: true [2022-11-19 06:51:12,240 INFO L899 garLoopResultBuilder]: For program point L6017(lines 6017 6023) no Hoare annotation was computed. [2022-11-19 06:51:12,240 INFO L899 garLoopResultBuilder]: For program point L7138-1(line 7138) no Hoare annotation was computed. [2022-11-19 06:51:12,240 INFO L899 garLoopResultBuilder]: For program point L6011(line 6011) no Hoare annotation was computed. [2022-11-19 06:51:12,240 INFO L902 garLoopResultBuilder]: At program point L5468(lines 5465 5470) the Hoare annotation is: true [2022-11-19 06:51:12,240 INFO L902 garLoopResultBuilder]: At program point L6011-4(lines 6011 6015) the Hoare annotation is: true [2022-11-19 06:51:12,240 INFO L899 garLoopResultBuilder]: For program point L6011-2(lines 6011 6015) no Hoare annotation was computed. [2022-11-19 06:51:12,240 INFO L902 garLoopResultBuilder]: At program point cdc_mbim_bindENTRY(lines 5983 6031) the Hoare annotation is: true [2022-11-19 06:51:12,241 INFO L899 garLoopResultBuilder]: For program point L6001-2(lines 6001 6004) no Hoare annotation was computed. [2022-11-19 06:51:12,241 INFO L899 garLoopResultBuilder]: For program point L6001(line 6001) no Hoare annotation was computed. [2022-11-19 06:51:12,241 INFO L902 garLoopResultBuilder]: At program point L7089(lines 7088 7090) the Hoare annotation is: true [2022-11-19 06:51:12,241 INFO L902 garLoopResultBuilder]: At program point L6028(lines 5994 6030) the Hoare annotation is: true [2022-11-19 06:51:12,241 INFO L902 garLoopResultBuilder]: At program point L6020(line 6020) the Hoare annotation is: true [2022-11-19 06:51:12,241 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_bindFINAL(lines 5983 6031) no Hoare annotation was computed. [2022-11-19 06:51:12,241 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 5627 5633) no Hoare annotation was computed. [2022-11-19 06:51:12,242 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 5627 5633) the Hoare annotation is: true [2022-11-19 06:51:12,242 INFO L895 garLoopResultBuilder]: At program point L6778(lines 6774 6780) the Hoare annotation is: (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (and (= |cdc_mbim_manage_power_ldv_usb_autopm_get_interface_2_#res#1| (_ bv0 32)) (= |cdc_mbim_manage_power_~rv~0#1| (_ bv0 32)) (= |cdc_mbim_manage_power_ldv_get_interface_~res~1#1| (_ bv0 32)) (= ~INTERF_STATE~0 (_ bv0 32)) (= |cdc_mbim_manage_power_ldv_get_interface_#res#1| (_ bv0 32))) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (not (= ~usb_dev~0.offset (_ bv0 64)))) [2022-11-19 06:51:12,242 INFO L895 garLoopResultBuilder]: At program point L5498(lines 5492 5500) the Hoare annotation is: (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (and (= |cdc_mbim_manage_power_~rv~0#1| (_ bv0 32)) (= ~INTERF_STATE~0 (_ bv0 32))) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (not (= ~usb_dev~0.offset (_ bv0 64)))) [2022-11-19 06:51:12,243 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_manage_powerEXIT(lines 5914 5966) no Hoare annotation was computed. [2022-11-19 06:51:12,243 INFO L895 garLoopResultBuilder]: At program point L7005(lines 6997 7007) the Hoare annotation is: (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (and (= |cdc_mbim_manage_power_ldv_usb_autopm_get_interface_2_#res#1| (_ bv0 32)) (= |cdc_mbim_manage_power_~rv~0#1| (_ bv0 32)) (= |cdc_mbim_manage_power_ldv_get_interface_~res~1#1| (_ bv0 32)) (= ~INTERF_STATE~0 (_ bv0 32)) (= |cdc_mbim_manage_power_ldv_get_interface_#res#1| (_ bv0 32))) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (not (= ~usb_dev~0.offset (_ bv0 64)))) [2022-11-19 06:51:12,243 INFO L895 garLoopResultBuilder]: At program point L5948(lines 5948 5962) the Hoare annotation is: (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (= ~INTERF_STATE~0 (_ bv0 32)) (not (= ~usb_dev~0.offset (_ bv0 64)))) [2022-11-19 06:51:12,243 INFO L895 garLoopResultBuilder]: At program point L5527(lines 5501 5529) the Hoare annotation is: (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (and (= |cdc_mbim_manage_power_~rv~0#1| (_ bv0 32)) (= ~INTERF_STATE~0 (_ bv0 32))) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (not (= ~usb_dev~0.offset (_ bv0 64)))) [2022-11-19 06:51:12,243 INFO L899 garLoopResultBuilder]: For program point L5523(line 5523) no Hoare annotation was computed. [2022-11-19 06:51:12,244 INFO L899 garLoopResultBuilder]: For program point L5519(line 5519) no Hoare annotation was computed. [2022-11-19 06:51:12,244 INFO L899 garLoopResultBuilder]: For program point L5932-1(line 5932) no Hoare annotation was computed. [2022-11-19 06:51:12,244 INFO L899 garLoopResultBuilder]: For program point L5515(line 5515) no Hoare annotation was computed. [2022-11-19 06:51:12,244 INFO L895 garLoopResultBuilder]: At program point L5932(line 5932) the Hoare annotation is: (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (and (= |cdc_mbim_manage_power_~rv~0#1| (_ bv0 32)) (= ~INTERF_STATE~0 (_ bv0 32))) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (not (= ~usb_dev~0.offset (_ bv0 64)))) [2022-11-19 06:51:12,244 INFO L899 garLoopResultBuilder]: For program point L5511(line 5511) no Hoare annotation was computed. [2022-11-19 06:51:12,244 INFO L899 garLoopResultBuilder]: For program point L5507(line 5507) no Hoare annotation was computed. [2022-11-19 06:51:12,245 INFO L899 garLoopResultBuilder]: For program point L5953(lines 5953 5956) no Hoare annotation was computed. [2022-11-19 06:51:12,245 INFO L895 garLoopResultBuilder]: At program point L7002(line 7002) the Hoare annotation is: (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (not (= ~usb_dev~0.offset (_ bv0 64)))) [2022-11-19 06:51:12,245 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_manage_powerFINAL(lines 5914 5966) no Hoare annotation was computed. [2022-11-19 06:51:12,245 INFO L899 garLoopResultBuilder]: For program point L7002-1(lines 7000 7003) no Hoare annotation was computed. [2022-11-19 06:51:12,245 INFO L895 garLoopResultBuilder]: At program point L6994(lines 6979 6996) the Hoare annotation is: (let ((.cse0 (= |cdc_mbim_manage_power_~rv~0#1| (_ bv0 32))) (.cse1 (= |cdc_mbim_manage_power_ldv_get_interface_~res~1#1| (_ bv0 32))) (.cse2 (= |cdc_mbim_manage_power_ldv_get_interface_#res#1| (_ bv0 32)))) (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (and .cse0 (= ~INTERF_STATE~0 (_ bv1 32)) .cse1 .cse2) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (and (bvsle |cdc_mbim_manage_power_ldv_get_interface_~res~1#1| (_ bv0 32)) .cse0 (bvsle |cdc_mbim_manage_power_ldv_get_interface_#res#1| (_ bv0 32)) (= ~INTERF_STATE~0 (_ bv0 32)) (not .cse1) (not .cse2)) (not (= ~usb_dev~0.offset (_ bv0 64))))) [2022-11-19 06:51:12,246 INFO L895 garLoopResultBuilder]: At program point L6771(lines 6766 6773) the Hoare annotation is: (let ((.cse1 (= |cdc_mbim_manage_power_~rv~0#1| (_ bv0 32))) (.cse0 (= |cdc_mbim_manage_power_ldv_usb_autopm_get_interface_2_#res#1| (_ bv0 32))) (.cse2 (= |cdc_mbim_manage_power_ldv_get_interface_~res~1#1| (_ bv0 32))) (.cse3 (= |cdc_mbim_manage_power_ldv_get_interface_#res#1| (_ bv0 32)))) (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (and .cse0 .cse1 (= ~INTERF_STATE~0 (_ bv1 32)) .cse2 .cse3) (and (bvsle |cdc_mbim_manage_power_ldv_get_interface_~res~1#1| (_ bv0 32)) .cse1 (not .cse0) (bvsle |cdc_mbim_manage_power_ldv_get_interface_#res#1| (_ bv0 32)) (= ~INTERF_STATE~0 (_ bv0 32)) (not .cse2) (bvsle |cdc_mbim_manage_power_ldv_usb_autopm_get_interface_2_#res#1| (_ bv0 32)) (not .cse3)) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (not (= ~usb_dev~0.offset (_ bv0 64))))) [2022-11-19 06:51:12,246 INFO L899 garLoopResultBuilder]: For program point L5941(lines 5941 5945) no Hoare annotation was computed. [2022-11-19 06:51:12,246 INFO L899 garLoopResultBuilder]: For program point L5933-2(lines 5923 5965) no Hoare annotation was computed. [2022-11-19 06:51:12,246 INFO L899 garLoopResultBuilder]: For program point L6986(lines 6986 6989) no Hoare annotation was computed. [2022-11-19 06:51:12,246 INFO L899 garLoopResultBuilder]: For program point L5933(lines 5933 5938) no Hoare annotation was computed. [2022-11-19 06:51:12,247 INFO L899 garLoopResultBuilder]: For program point L6990-1(lines 6990 6993) no Hoare annotation was computed. [2022-11-19 06:51:12,247 INFO L899 garLoopResultBuilder]: For program point L5950(lines 5950 5960) no Hoare annotation was computed. [2022-11-19 06:51:12,247 INFO L895 garLoopResultBuilder]: At program point L5934(line 5934) the Hoare annotation is: (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (and (= |cdc_mbim_manage_power_~rv~0#1| (_ bv0 32)) (= ~INTERF_STATE~0 (_ bv0 32))) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (not (= ~usb_dev~0.offset (_ bv0 64)))) [2022-11-19 06:51:12,247 INFO L899 garLoopResultBuilder]: For program point L5934-1(line 5934) no Hoare annotation was computed. [2022-11-19 06:51:12,247 INFO L895 garLoopResultBuilder]: At program point L5951(lines 5939 5962) the Hoare annotation is: (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (and (= |cdc_mbim_manage_power_~rv~0#1| (_ bv0 32)) (= ~INTERF_STATE~0 (_ bv0 32))) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (not (= ~usb_dev~0.offset (_ bv0 64)))) [2022-11-19 06:51:12,248 INFO L895 garLoopResultBuilder]: At program point cdc_mbim_manage_powerENTRY(lines 5914 5966) the Hoare annotation is: (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (= ~INTERF_STATE~0 (_ bv0 32)) (not (= ~usb_dev~0.offset (_ bv0 64)))) [2022-11-19 06:51:12,248 INFO L895 garLoopResultBuilder]: At program point L5947(lines 5939 5962) the Hoare annotation is: (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (and (= |cdc_mbim_manage_power_~rv~0#1| (_ bv0 32)) (= ~INTERF_STATE~0 (_ bv0 32))) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (not (= ~usb_dev~0.offset (_ bv0 64)))) [2022-11-19 06:51:12,248 INFO L895 garLoopResultBuilder]: At program point L5526(lines 5504 5528) the Hoare annotation is: (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (and (= |cdc_mbim_manage_power_~rv~0#1| (_ bv0 32)) (= ~INTERF_STATE~0 (_ bv0 32))) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (not (= ~usb_dev~0.offset (_ bv0 64)))) [2022-11-19 06:51:12,248 INFO L899 garLoopResultBuilder]: For program point L7000(lines 7000 7003) no Hoare annotation was computed. [2022-11-19 06:51:12,248 INFO L899 garLoopResultBuilder]: For program point L6988-1(lines 6983 6995) no Hoare annotation was computed. [2022-11-19 06:51:12,249 INFO L902 garLoopResultBuilder]: At program point L6988(line 6988) the Hoare annotation is: true [2022-11-19 06:51:12,249 INFO L899 garLoopResultBuilder]: For program point L6984-1(line 6984) no Hoare annotation was computed. [2022-11-19 06:51:12,249 INFO L895 garLoopResultBuilder]: At program point L6984(line 6984) the Hoare annotation is: (or (not (= (_ bv0 64) ~usb_urb~0.base)) (not (= ~SERIAL_STATE~0 (_ bv0 32))) (and (= |cdc_mbim_manage_power_~rv~0#1| (_ bv0 32)) (= ~INTERF_STATE~0 (_ bv0 32))) (not (= ~dev_counter~0 (_ bv0 32))) (not (= |old(~INTERF_STATE~0)| (_ bv0 32))) (not (= ~usb_urb~0.offset (_ bv0 64))) (not (= (_ bv0 64) ~usb_dev~0.base)) (not (= ~usb_dev~0.offset (_ bv0 64)))) [2022-11-19 06:51:12,249 INFO L899 garLoopResultBuilder]: For program point L5506(lines 5506 5525) no Hoare annotation was computed. [2022-11-19 06:51:12,249 INFO L899 garLoopResultBuilder]: For program point skb_headroomFINAL(lines 5690 5695) no Hoare annotation was computed. [2022-11-19 06:51:12,249 INFO L899 garLoopResultBuilder]: For program point skb_headroomEXIT(lines 5690 5695) no Hoare annotation was computed. [2022-11-19 06:51:12,249 INFO L902 garLoopResultBuilder]: At program point skb_headroomENTRY(lines 5690 5695) the Hoare annotation is: true [2022-11-19 06:51:12,250 INFO L902 garLoopResultBuilder]: At program point usbnet_disconnectENTRY(lines 7147 7149) the Hoare annotation is: true [2022-11-19 06:51:12,250 INFO L899 garLoopResultBuilder]: For program point usbnet_disconnectFINAL(lines 7147 7149) no Hoare annotation was computed. [2022-11-19 06:51:12,250 INFO L899 garLoopResultBuilder]: For program point usbnet_disconnectEXIT(lines 7147 7149) no Hoare annotation was computed. [2022-11-19 06:51:12,250 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-19 06:51:12,250 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-19 06:51:12,250 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,251 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2022-11-19 06:51:12,251 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,251 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 5568 5585) the Hoare annotation is: true [2022-11-19 06:51:12,251 INFO L902 garLoopResultBuilder]: At program point L5580-1(line 5580) the Hoare annotation is: true [2022-11-19 06:51:12,251 INFO L902 garLoopResultBuilder]: At program point L5581(line 5581) the Hoare annotation is: true [2022-11-19 06:51:12,251 INFO L902 garLoopResultBuilder]: At program point L5580(line 5580) the Hoare annotation is: true [2022-11-19 06:51:12,251 INFO L899 garLoopResultBuilder]: For program point L5581-1(line 5581) no Hoare annotation was computed. [2022-11-19 06:51:12,252 INFO L899 garLoopResultBuilder]: For program point L5575(lines 5575 5583) no Hoare annotation was computed. [2022-11-19 06:51:12,252 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5568 5585) no Hoare annotation was computed. [2022-11-19 06:51:12,252 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5568 5585) no Hoare annotation was computed. [2022-11-19 06:51:12,252 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~C_INTENTRY(line -1) the Hoare annotation is: true [2022-11-19 06:51:12,252 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-11-19 06:51:12,252 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,252 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~C_INTFINAL(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,252 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~C_INTEXIT(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,253 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-11-19 06:51:12,253 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~~pm_message_t~0~TO~C_INTFINAL(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,253 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,253 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~~pm_message_t~0~TO~C_INTENTRY(line -1) the Hoare annotation is: true [2022-11-19 06:51:12,253 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~~pm_message_t~0~TO~C_INTEXIT(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,253 INFO L902 garLoopResultBuilder]: At program point skb_putENTRY(lines 7132 7136) the Hoare annotation is: true [2022-11-19 06:51:12,254 INFO L899 garLoopResultBuilder]: For program point skb_putFINAL(lines 7132 7136) no Hoare annotation was computed. [2022-11-19 06:51:12,254 INFO L899 garLoopResultBuilder]: For program point skb_putEXIT(lines 7132 7136) no Hoare annotation was computed. [2022-11-19 06:51:12,254 INFO L899 garLoopResultBuilder]: For program point L6340-5(lines 6340 6344) no Hoare annotation was computed. [2022-11-19 06:51:12,254 INFO L899 garLoopResultBuilder]: For program point L6336(lines 6336 6339) no Hoare annotation was computed. [2022-11-19 06:51:12,254 INFO L899 garLoopResultBuilder]: For program point L6340-3(lines 6340 6341) no Hoare annotation was computed. [2022-11-19 06:51:12,254 INFO L899 garLoopResultBuilder]: For program point L6330(lines 6330 6334) no Hoare annotation was computed. [2022-11-19 06:51:12,254 INFO L899 garLoopResultBuilder]: For program point L6340-7(lines 6324 6351) no Hoare annotation was computed. [2022-11-19 06:51:12,255 INFO L902 garLoopResultBuilder]: At program point L6326(line 6326) the Hoare annotation is: true [2022-11-19 06:51:12,255 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_suspendFINAL(lines 6317 6352) no Hoare annotation was computed. [2022-11-19 06:51:12,255 INFO L899 garLoopResultBuilder]: For program point L6326-1(line 6326) no Hoare annotation was computed. [2022-11-19 06:51:12,255 INFO L902 garLoopResultBuilder]: At program point L6349(lines 6324 6351) the Hoare annotation is: true [2022-11-19 06:51:12,255 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_suspendEXIT(lines 6317 6352) no Hoare annotation was computed. [2022-11-19 06:51:12,255 INFO L902 garLoopResultBuilder]: At program point L7163(lines 7162 7164) the Hoare annotation is: true [2022-11-19 06:51:12,255 INFO L902 garLoopResultBuilder]: At program point L6346(line 6346) the Hoare annotation is: true [2022-11-19 06:51:12,256 INFO L902 garLoopResultBuilder]: At program point L6342(line 6342) the Hoare annotation is: true [2022-11-19 06:51:12,256 INFO L899 garLoopResultBuilder]: For program point L6346-1(line 6346) no Hoare annotation was computed. [2022-11-19 06:51:12,256 INFO L899 garLoopResultBuilder]: For program point L6340-2(line 6340) no Hoare annotation was computed. [2022-11-19 06:51:12,256 INFO L902 garLoopResultBuilder]: At program point cdc_mbim_suspendENTRY(lines 6317 6352) the Hoare annotation is: true [2022-11-19 06:51:12,256 INFO L899 garLoopResultBuilder]: For program point L6340(line 6340) no Hoare annotation was computed. [2022-11-19 06:51:12,256 INFO L899 garLoopResultBuilder]: For program point L6342-1(line 6342) no Hoare annotation was computed. [2022-11-19 06:51:12,256 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 5620 5626) no Hoare annotation was computed. [2022-11-19 06:51:12,257 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 5620 5626) the Hoare annotation is: true [2022-11-19 06:51:12,257 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5624) no Hoare annotation was computed. [2022-11-19 06:51:12,257 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5620 5626) no Hoare annotation was computed. [2022-11-19 06:51:12,257 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_rx_fixupFINAL(lines 6184 6316) no Hoare annotation was computed. [2022-11-19 06:51:12,257 INFO L902 garLoopResultBuilder]: At program point L6295(lines 6204 6315) the Hoare annotation is: true [2022-11-19 06:51:12,257 INFO L899 garLoopResultBuilder]: For program point L6262(line 6262) no Hoare annotation was computed. [2022-11-19 06:51:12,258 INFO L899 garLoopResultBuilder]: For program point L5849(lines 5849 5855) no Hoare annotation was computed. [2022-11-19 06:51:12,258 INFO L899 garLoopResultBuilder]: For program point L6229(line 6229) no Hoare annotation was computed. [2022-11-19 06:51:12,258 INFO L899 garLoopResultBuilder]: For program point L6262-2(lines 6262 6292) no Hoare annotation was computed. [2022-11-19 06:51:12,258 INFO L902 garLoopResultBuilder]: At program point L5684(lines 5672 5686) the Hoare annotation is: true [2022-11-19 06:51:12,258 INFO L902 garLoopResultBuilder]: At program point L6180(lines 6131 6182) the Hoare annotation is: true [2022-11-19 06:51:12,258 INFO L899 garLoopResultBuilder]: For program point L7072-1(line 7072) no Hoare annotation was computed. [2022-11-19 06:51:12,258 INFO L902 garLoopResultBuilder]: At program point L7072(line 7072) the Hoare annotation is: true [2022-11-19 06:51:12,259 INFO L899 garLoopResultBuilder]: For program point L6263(lines 6263 6278) no Hoare annotation was computed. [2022-11-19 06:51:12,259 INFO L899 garLoopResultBuilder]: For program point L6230(lines 6230 6244) no Hoare annotation was computed. [2022-11-19 06:51:12,259 INFO L899 garLoopResultBuilder]: For program point L6263-1(lines 6262 6284) no Hoare annotation was computed. [2022-11-19 06:51:12,259 INFO L902 garLoopResultBuilder]: At program point L5817(lines 5796 5819) the Hoare annotation is: true [2022-11-19 06:51:12,259 INFO L899 garLoopResultBuilder]: For program point L6164-2(lines 6164 6172) no Hoare annotation was computed. [2022-11-19 06:51:12,259 INFO L899 garLoopResultBuilder]: For program point L6164(lines 6164 6172) no Hoare annotation was computed. [2022-11-19 06:51:12,259 INFO L902 garLoopResultBuilder]: At program point L6247(lines 6204 6315) the Hoare annotation is: true [2022-11-19 06:51:12,260 INFO L902 garLoopResultBuilder]: At program point L5669(lines 5666 5671) the Hoare annotation is: true [2022-11-19 06:51:12,260 INFO L902 garLoopResultBuilder]: At program point L6181(lines 6117 6183) the Hoare annotation is: true [2022-11-19 06:51:12,260 INFO L899 garLoopResultBuilder]: For program point L7073-2(lines 7073 7078) no Hoare annotation was computed. [2022-11-19 06:51:12,260 INFO L899 garLoopResultBuilder]: For program point L7073(lines 7073 7078) no Hoare annotation was computed. [2022-11-19 06:51:12,260 INFO L902 garLoopResultBuilder]: At program point L5719(lines 5710 5721) the Hoare annotation is: true [2022-11-19 06:51:12,260 INFO L899 garLoopResultBuilder]: For program point L5785(lines 5785 5788) no Hoare annotation was computed. [2022-11-19 06:51:12,260 INFO L902 garLoopResultBuilder]: At program point L6297(lines 6204 6315) the Hoare annotation is: true [2022-11-19 06:51:12,261 INFO L902 garLoopResultBuilder]: At program point L6165(line 6165) the Hoare annotation is: true [2022-11-19 06:51:12,261 INFO L899 garLoopResultBuilder]: For program point L6165-1(line 6165) no Hoare annotation was computed. [2022-11-19 06:51:12,261 INFO L899 garLoopResultBuilder]: For program point L6215(lines 6215 6218) no Hoare annotation was computed. [2022-11-19 06:51:12,261 INFO L902 garLoopResultBuilder]: At program point L5769(lines 5762 5771) the Hoare annotation is: true [2022-11-19 06:51:12,261 INFO L902 garLoopResultBuilder]: At program point L6166(lines 6166 6167) the Hoare annotation is: true [2022-11-19 06:51:12,261 INFO L899 garLoopResultBuilder]: For program point L6166-1(lines 6166 6167) no Hoare annotation was computed. [2022-11-19 06:51:12,261 INFO L902 garLoopResultBuilder]: At program point L7124(lines 7123 7125) the Hoare annotation is: true [2022-11-19 06:51:12,262 INFO L899 garLoopResultBuilder]: For program point L7075-1(line 7075) no Hoare annotation was computed. [2022-11-19 06:51:12,262 INFO L902 garLoopResultBuilder]: At program point L7075(line 7075) the Hoare annotation is: true [2022-11-19 06:51:12,262 INFO L899 garLoopResultBuilder]: For program point L6134(lines 6134 6151) no Hoare annotation was computed. [2022-11-19 06:51:12,262 INFO L902 garLoopResultBuilder]: At program point L6134-1(lines 6134 6151) the Hoare annotation is: true [2022-11-19 06:51:12,262 INFO L902 garLoopResultBuilder]: At program point L5854(lines 5841 5857) the Hoare annotation is: true [2022-11-19 06:51:12,262 INFO L902 garLoopResultBuilder]: At program point L6300(lines 6204 6315) the Hoare annotation is: true [2022-11-19 06:51:12,262 INFO L899 garLoopResultBuilder]: For program point L6135(lines 6135 6138) no Hoare annotation was computed. [2022-11-19 06:51:12,263 INFO L902 garLoopResultBuilder]: At program point L7159(lines 7158 7160) the Hoare annotation is: true [2022-11-19 06:51:12,263 INFO L902 garLoopResultBuilder]: At program point L5838(lines 5832 5840) the Hoare annotation is: true [2022-11-19 06:51:12,263 INFO L899 garLoopResultBuilder]: For program point L5805(lines 5805 5809) no Hoare annotation was computed. [2022-11-19 06:51:12,263 INFO L899 garLoopResultBuilder]: For program point L5789(lines 5789 5792) no Hoare annotation was computed. [2022-11-19 06:51:12,263 INFO L902 garLoopResultBuilder]: At program point L6169(line 6169) the Hoare annotation is: true [2022-11-19 06:51:12,263 INFO L899 garLoopResultBuilder]: For program point L6169-1(line 6169) no Hoare annotation was computed. [2022-11-19 06:51:12,263 INFO L899 garLoopResultBuilder]: For program point L6153(lines 6153 6156) no Hoare annotation was computed. [2022-11-19 06:51:12,264 INFO L902 garLoopResultBuilder]: At program point L6170(lines 6170 6171) the Hoare annotation is: true [2022-11-19 06:51:12,264 INFO L899 garLoopResultBuilder]: For program point L6170-1(lines 6170 6171) no Hoare annotation was computed. [2022-11-19 06:51:12,264 INFO L899 garLoopResultBuilder]: For program point L6220(lines 6220 6246) no Hoare annotation was computed. [2022-11-19 06:51:12,264 INFO L902 garLoopResultBuilder]: At program point L7079(lines 7071 7080) the Hoare annotation is: true [2022-11-19 06:51:12,264 INFO L899 garLoopResultBuilder]: For program point L6303(lines 6303 6311) no Hoare annotation was computed. [2022-11-19 06:51:12,264 INFO L902 garLoopResultBuilder]: At program point L6270(line 6270) the Hoare annotation is: true [2022-11-19 06:51:12,264 INFO L902 garLoopResultBuilder]: At program point L6237(line 6237) the Hoare annotation is: true [2022-11-19 06:51:12,265 INFO L899 garLoopResultBuilder]: For program point L6270-1(line 6270) no Hoare annotation was computed. [2022-11-19 06:51:12,265 INFO L899 garLoopResultBuilder]: For program point L6303-2(lines 6303 6311) no Hoare annotation was computed. [2022-11-19 06:51:12,265 INFO L899 garLoopResultBuilder]: For program point L6237-1(line 6237) no Hoare annotation was computed. [2022-11-19 06:51:12,265 INFO L902 garLoopResultBuilder]: At program point L7096(lines 7095 7097) the Hoare annotation is: true [2022-11-19 06:51:12,265 INFO L899 garLoopResultBuilder]: For program point L6287(lines 6287 6290) no Hoare annotation was computed. [2022-11-19 06:51:12,265 INFO L899 garLoopResultBuilder]: For program point L6254(lines 6254 6261) no Hoare annotation was computed. [2022-11-19 06:51:12,265 INFO L902 garLoopResultBuilder]: At program point cdc_mbim_rx_fixupENTRY(lines 6184 6316) the Hoare annotation is: true [2022-11-19 06:51:12,266 INFO L899 garLoopResultBuilder]: For program point L6221(line 6221) no Hoare annotation was computed. [2022-11-19 06:51:12,266 INFO L902 garLoopResultBuilder]: At program point L7113(lines 7112 7114) the Hoare annotation is: true [2022-11-19 06:51:12,266 INFO L899 garLoopResultBuilder]: For program point L6271(lines 6271 6276) no Hoare annotation was computed. [2022-11-19 06:51:12,266 INFO L902 garLoopResultBuilder]: At program point L5759(lines 5731 5761) the Hoare annotation is: true [2022-11-19 06:51:12,266 INFO L899 garLoopResultBuilder]: For program point L5825-2(lines 5825 5828) no Hoare annotation was computed. [2022-11-19 06:51:12,266 INFO L899 garLoopResultBuilder]: For program point L6238(lines 6238 6242) no Hoare annotation was computed. [2022-11-19 06:51:12,266 INFO L899 garLoopResultBuilder]: For program point L5825(lines 5825 5828) no Hoare annotation was computed. [2022-11-19 06:51:12,267 INFO L899 garLoopResultBuilder]: For program point L6139(lines 6139 6148) no Hoare annotation was computed. [2022-11-19 06:51:12,267 INFO L902 garLoopResultBuilder]: At program point L7130(line 7130) the Hoare annotation is: true [2022-11-19 06:51:12,267 INFO L902 garLoopResultBuilder]: At program point L7130-2(lines 7129 7131) the Hoare annotation is: true [2022-11-19 06:51:12,267 INFO L899 garLoopResultBuilder]: For program point L7130-1(line 7130) no Hoare annotation was computed. [2022-11-19 06:51:12,267 INFO L899 garLoopResultBuilder]: For program point L6255(lines 6255 6258) no Hoare annotation was computed. [2022-11-19 06:51:12,267 INFO L902 garLoopResultBuilder]: At program point L5743(line 5743) the Hoare annotation is: true [2022-11-19 06:51:12,267 INFO L899 garLoopResultBuilder]: For program point L5743-1(line 5743) no Hoare annotation was computed. [2022-11-19 06:51:12,268 INFO L902 garLoopResultBuilder]: At program point L6288(lines 6204 6315) the Hoare annotation is: true [2022-11-19 06:51:12,268 INFO L899 garLoopResultBuilder]: For program point L5677(lines 5677 5680) no Hoare annotation was computed. [2022-11-19 06:51:12,268 INFO L902 garLoopResultBuilder]: At program point L5793(lines 5782 5795) the Hoare annotation is: true [2022-11-19 06:51:12,268 INFO L899 garLoopResultBuilder]: For program point L6140(line 6140) no Hoare annotation was computed. [2022-11-19 06:51:12,268 INFO L899 garLoopResultBuilder]: For program point L5744-2(lines 5741 5760) no Hoare annotation was computed. [2022-11-19 06:51:12,268 INFO L899 garLoopResultBuilder]: For program point L5744(lines 5744 5748) no Hoare annotation was computed. [2022-11-19 06:51:12,268 INFO L902 garLoopResultBuilder]: At program point L6157(line 6157) the Hoare annotation is: true [2022-11-19 06:51:12,269 INFO L899 garLoopResultBuilder]: For program point L6157-1(line 6157) no Hoare annotation was computed. [2022-11-19 06:51:12,269 INFO L899 garLoopResultBuilder]: For program point L6306(lines 6306 6309) no Hoare annotation was computed. [2022-11-19 06:51:12,269 INFO L902 garLoopResultBuilder]: At program point L6174(line 6174) the Hoare annotation is: true [2022-11-19 06:51:12,269 INFO L902 garLoopResultBuilder]: At program point L5728(lines 5722 5730) the Hoare annotation is: true [2022-11-19 06:51:12,269 INFO L899 garLoopResultBuilder]: For program point L6174-1(line 6174) no Hoare annotation was computed. [2022-11-19 06:51:12,269 INFO L902 garLoopResultBuilder]: At program point L6158(line 6158) the Hoare annotation is: true [2022-11-19 06:51:12,269 INFO L902 garLoopResultBuilder]: At program point L5745(line 5745) the Hoare annotation is: true [2022-11-19 06:51:12,270 INFO L899 garLoopResultBuilder]: For program point L5745-1(line 5745) no Hoare annotation was computed. [2022-11-19 06:51:12,270 INFO L902 garLoopResultBuilder]: At program point L6158-1(line 6158) the Hoare annotation is: true [2022-11-19 06:51:12,270 INFO L902 garLoopResultBuilder]: At program point L6307(lines 6204 6315) the Hoare annotation is: true [2022-11-19 06:51:12,270 INFO L902 garLoopResultBuilder]: At program point L6175(line 6175) the Hoare annotation is: true [2022-11-19 06:51:12,270 INFO L899 garLoopResultBuilder]: For program point L6175-1(line 6175) no Hoare annotation was computed. [2022-11-19 06:51:12,270 INFO L902 garLoopResultBuilder]: At program point L7100(lines 7099 7101) the Hoare annotation is: true [2022-11-19 06:51:12,270 INFO L899 garLoopResultBuilder]: For program point L6159(line 6159) no Hoare annotation was computed. [2022-11-19 06:51:12,271 INFO L899 garLoopResultBuilder]: For program point L6225(line 6225) no Hoare annotation was computed. [2022-11-19 06:51:12,271 INFO L902 garLoopResultBuilder]: At program point L5829(lines 5820 5831) the Hoare annotation is: true [2022-11-19 06:51:12,271 INFO L899 garLoopResultBuilder]: For program point L6143(line 6143) no Hoare annotation was computed. [2022-11-19 06:51:12,271 INFO L899 garLoopResultBuilder]: For program point L6209(lines 6209 6212) no Hoare annotation was computed. [2022-11-19 06:51:12,271 INFO L899 garLoopResultBuilder]: For program point L6176(lines 6176 6179) no Hoare annotation was computed. [2022-11-19 06:51:12,271 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-19 06:51:12,271 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-19 06:51:12,271 INFO L899 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,272 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_rx_fixupEXIT(lines 6184 6316) no Hoare annotation was computed. [2022-11-19 06:51:12,272 INFO L902 garLoopResultBuilder]: At program point L5682(line 5682) the Hoare annotation is: true [2022-11-19 06:51:12,272 INFO L902 garLoopResultBuilder]: At program point L6161(line 6161) the Hoare annotation is: true [2022-11-19 06:51:12,272 INFO L899 garLoopResultBuilder]: For program point L5682-1(line 5682) no Hoare annotation was computed. [2022-11-19 06:51:12,272 INFO L899 garLoopResultBuilder]: For program point L6161-1(line 6161) no Hoare annotation was computed. [2022-11-19 06:51:12,272 INFO L902 garLoopResultBuilder]: At program point L5815(line 5815) the Hoare annotation is: true [2022-11-19 06:51:12,272 INFO L899 garLoopResultBuilder]: For program point L5815-1(line 5815) no Hoare annotation was computed. [2022-11-19 06:51:12,273 INFO L902 garLoopResultBuilder]: At program point L6162(line 6162) the Hoare annotation is: true [2022-11-19 06:51:12,273 INFO L899 garLoopResultBuilder]: For program point L6162-1(line 6162) no Hoare annotation was computed. [2022-11-19 06:51:12,273 INFO L899 garLoopResultBuilder]: For program point L6146(line 6146) no Hoare annotation was computed. [2022-11-19 06:51:12,273 INFO L899 garLoopResultBuilder]: For program point L6369-2(lines 6362 6386) no Hoare annotation was computed. [2022-11-19 06:51:12,273 INFO L899 garLoopResultBuilder]: For program point L6369(lines 6369 6372) no Hoare annotation was computed. [2022-11-19 06:51:12,273 INFO L902 garLoopResultBuilder]: At program point L6384(lines 6362 6386) the Hoare annotation is: true [2022-11-19 06:51:12,273 INFO L899 garLoopResultBuilder]: For program point L6378(lines 6378 6379) no Hoare annotation was computed. [2022-11-19 06:51:12,274 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_resumeEXIT(lines 6353 6387) no Hoare annotation was computed. [2022-11-19 06:51:12,274 INFO L899 garLoopResultBuilder]: For program point L6378-2(lines 6378 6383) no Hoare annotation was computed. [2022-11-19 06:51:12,274 INFO L902 garLoopResultBuilder]: At program point cdc_mbim_resumeENTRY(lines 6353 6387) the Hoare annotation is: true [2022-11-19 06:51:12,274 INFO L902 garLoopResultBuilder]: At program point L6370(line 6370) the Hoare annotation is: true [2022-11-19 06:51:12,274 INFO L899 garLoopResultBuilder]: For program point L6368-2(line 6368) no Hoare annotation was computed. [2022-11-19 06:51:12,274 INFO L899 garLoopResultBuilder]: For program point L6368(line 6368) no Hoare annotation was computed. [2022-11-19 06:51:12,275 INFO L899 garLoopResultBuilder]: For program point L6370-1(line 6370) no Hoare annotation was computed. [2022-11-19 06:51:12,275 INFO L899 garLoopResultBuilder]: For program point L6364-1(line 6364) no Hoare annotation was computed. [2022-11-19 06:51:12,275 INFO L899 garLoopResultBuilder]: For program point L6368-5(line 6368) no Hoare annotation was computed. [2022-11-19 06:51:12,275 INFO L902 garLoopResultBuilder]: At program point L6364(line 6364) the Hoare annotation is: true [2022-11-19 06:51:12,275 INFO L899 garLoopResultBuilder]: For program point L6368-3(line 6368) no Hoare annotation was computed. [2022-11-19 06:51:12,275 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_resumeFINAL(lines 6353 6387) no Hoare annotation was computed. [2022-11-19 06:51:12,275 INFO L899 garLoopResultBuilder]: For program point L6381-1(line 6381) no Hoare annotation was computed. [2022-11-19 06:51:12,275 INFO L902 garLoopResultBuilder]: At program point L6381(line 6381) the Hoare annotation is: true [2022-11-19 06:51:12,276 INFO L899 garLoopResultBuilder]: For program point L6377-1(line 6377) no Hoare annotation was computed. [2022-11-19 06:51:12,276 INFO L902 garLoopResultBuilder]: At program point L6377(line 6377) the Hoare annotation is: true [2022-11-19 06:51:12,276 INFO L902 garLoopResultBuilder]: At program point __fswab16ENTRY(lines 5454 5459) the Hoare annotation is: true [2022-11-19 06:51:12,276 INFO L899 garLoopResultBuilder]: For program point __fswab16FINAL(lines 5454 5459) no Hoare annotation was computed. [2022-11-19 06:51:12,276 INFO L899 garLoopResultBuilder]: For program point __fswab16EXIT(lines 5454 5459) no Hoare annotation was computed. [2022-11-19 06:51:12,276 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 5634 5639) no Hoare annotation was computed. [2022-11-19 06:51:12,277 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 5634 5639) the Hoare annotation is: true [2022-11-19 06:51:12,277 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 5634 5639) no Hoare annotation was computed. [2022-11-19 06:51:12,277 INFO L899 garLoopResultBuilder]: For program point atomic_readFINAL(lines 5486 5491) no Hoare annotation was computed. [2022-11-19 06:51:12,277 INFO L899 garLoopResultBuilder]: For program point atomic_readEXIT(lines 5486 5491) no Hoare annotation was computed. [2022-11-19 06:51:12,277 INFO L902 garLoopResultBuilder]: At program point atomic_readENTRY(lines 5486 5491) the Hoare annotation is: true [2022-11-19 06:51:12,277 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,277 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-19 06:51:12,277 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2022-11-19 06:51:12,278 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,278 INFO L902 garLoopResultBuilder]: At program point cdc_ncm_unbindENTRY(lines 7106 7108) the Hoare annotation is: true [2022-11-19 06:51:12,278 INFO L899 garLoopResultBuilder]: For program point cdc_ncm_unbindFINAL(lines 7106 7108) no Hoare annotation was computed. [2022-11-19 06:51:12,278 INFO L899 garLoopResultBuilder]: For program point cdc_ncm_unbindEXIT(lines 7106 7108) no Hoare annotation was computed. [2022-11-19 06:51:12,278 INFO L902 garLoopResultBuilder]: At program point L6044(line 6044) the Hoare annotation is: true [2022-11-19 06:51:12,278 INFO L899 garLoopResultBuilder]: For program point L6039(line 6039) no Hoare annotation was computed. [2022-11-19 06:51:12,279 INFO L899 garLoopResultBuilder]: For program point L6040-1(line 6040) no Hoare annotation was computed. [2022-11-19 06:51:12,279 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_unbindEXIT(lines 6032 6047) no Hoare annotation was computed. [2022-11-19 06:51:12,279 INFO L902 garLoopResultBuilder]: At program point L6040(line 6040) the Hoare annotation is: true [2022-11-19 06:51:12,279 INFO L899 garLoopResultBuilder]: For program point L6039-4(lines 6039 6042) no Hoare annotation was computed. [2022-11-19 06:51:12,279 INFO L902 garLoopResultBuilder]: At program point cdc_mbim_unbindENTRY(lines 6032 6047) the Hoare annotation is: true [2022-11-19 06:51:12,279 INFO L899 garLoopResultBuilder]: For program point L6039-2(lines 6039 6042) no Hoare annotation was computed. [2022-11-19 06:51:12,279 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_unbindFINAL(lines 6032 6047) no Hoare annotation was computed. [2022-11-19 06:51:12,279 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5564 5566) the Hoare annotation is: true [2022-11-19 06:51:12,280 INFO L899 garLoopResultBuilder]: For program point L5565-2(lines 5564 5566) no Hoare annotation was computed. [2022-11-19 06:51:12,280 INFO L899 garLoopResultBuilder]: For program point L5565(line 5565) no Hoare annotation was computed. [2022-11-19 06:51:12,280 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5564 5566) no Hoare annotation was computed. [2022-11-19 06:51:12,280 INFO L899 garLoopResultBuilder]: For program point L6081(line 6081) no Hoare annotation was computed. [2022-11-19 06:51:12,280 INFO L902 garLoopResultBuilder]: At program point L5536(lines 5532 5538) the Hoare annotation is: true [2022-11-19 06:51:12,280 INFO L899 garLoopResultBuilder]: For program point L6073(lines 6073 6100) no Hoare annotation was computed. [2022-11-19 06:51:12,280 INFO L899 garLoopResultBuilder]: For program point L6074(line 6074) no Hoare annotation was computed. [2022-11-19 06:51:12,281 INFO L899 garLoopResultBuilder]: For program point L5876(lines 5876 5882) no Hoare annotation was computed. [2022-11-19 06:51:12,281 INFO L899 garLoopResultBuilder]: For program point L5868-1(line 5868) no Hoare annotation was computed. [2022-11-19 06:51:12,281 INFO L902 garLoopResultBuilder]: At program point L7082(lines 7081 7083) the Hoare annotation is: true [2022-11-19 06:51:12,281 INFO L902 garLoopResultBuilder]: At program point L5868(line 5868) the Hoare annotation is: true [2022-11-19 06:51:12,281 INFO L902 garLoopResultBuilder]: At program point L6075(line 6075) the Hoare annotation is: true [2022-11-19 06:51:12,281 INFO L902 garLoopResultBuilder]: At program point L6075-1(line 6075) the Hoare annotation is: true [2022-11-19 06:51:12,281 INFO L899 garLoopResultBuilder]: For program point L6067(lines 6067 6104) no Hoare annotation was computed. [2022-11-19 06:51:12,282 INFO L899 garLoopResultBuilder]: For program point L6067-2(lines 6067 6104) no Hoare annotation was computed. [2022-11-19 06:51:12,282 INFO L902 garLoopResultBuilder]: At program point L6084(lines 6073 6100) the Hoare annotation is: true [2022-11-19 06:51:12,282 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_tx_fixupFINAL(lines 6048 6116) no Hoare annotation was computed. [2022-11-19 06:51:12,282 INFO L899 garLoopResultBuilder]: For program point L6076(line 6076) no Hoare annotation was computed. [2022-11-19 06:51:12,282 INFO L902 garLoopResultBuilder]: At program point L7092-2(lines 7091 7093) the Hoare annotation is: true [2022-11-19 06:51:12,282 INFO L899 garLoopResultBuilder]: For program point L7092-1(line 7092) no Hoare annotation was computed. [2022-11-19 06:51:12,282 INFO L902 garLoopResultBuilder]: At program point L6101(lines 6067 6103) the Hoare annotation is: true [2022-11-19 06:51:12,282 INFO L902 garLoopResultBuilder]: At program point L7092(line 7092) the Hoare annotation is: true [2022-11-19 06:51:12,283 INFO L899 garLoopResultBuilder]: For program point L6068(lines 6068 6071) no Hoare annotation was computed. [2022-11-19 06:51:12,283 INFO L902 garLoopResultBuilder]: At program point L5870(lines 5858 5872) the Hoare annotation is: true [2022-11-19 06:51:12,283 INFO L899 garLoopResultBuilder]: For program point L6093(line 6093) no Hoare annotation was computed. [2022-11-19 06:51:12,283 INFO L902 garLoopResultBuilder]: At program point L5895(lines 5885 5898) the Hoare annotation is: true [2022-11-19 06:51:12,283 INFO L902 garLoopResultBuilder]: At program point cdc_mbim_tx_fixupENTRY(lines 6048 6116) the Hoare annotation is: true [2022-11-19 06:51:12,283 INFO L899 garLoopResultBuilder]: For program point L6077(lines 6077 6083) no Hoare annotation was computed. [2022-11-19 06:51:12,283 INFO L899 garLoopResultBuilder]: For program point L6110-1(lines 6110 6113) no Hoare annotation was computed. [2022-11-19 06:51:12,284 INFO L899 garLoopResultBuilder]: For program point L6094(lines 6094 6098) no Hoare annotation was computed. [2022-11-19 06:51:12,284 INFO L902 garLoopResultBuilder]: At program point L6094-2(lines 6058 6115) the Hoare annotation is: true [2022-11-19 06:51:12,284 INFO L902 garLoopResultBuilder]: At program point L7085(lines 7084 7086) the Hoare annotation is: true [2022-11-19 06:51:12,284 INFO L902 garLoopResultBuilder]: At program point L7110(lines 7109 7111) the Hoare annotation is: true [2022-11-19 06:51:12,284 INFO L899 garLoopResultBuilder]: For program point L6078(line 6078) no Hoare annotation was computed. [2022-11-19 06:51:12,284 INFO L899 garLoopResultBuilder]: For program point L6078-2(line 6078) no Hoare annotation was computed. [2022-11-19 06:51:12,284 INFO L899 garLoopResultBuilder]: For program point L7127-1(line 7127) no Hoare annotation was computed. [2022-11-19 06:51:12,285 INFO L902 garLoopResultBuilder]: At program point L7127(line 7127) the Hoare annotation is: true [2022-11-19 06:51:12,285 INFO L902 garLoopResultBuilder]: At program point L7127-2(lines 7126 7128) the Hoare annotation is: true [2022-11-19 06:51:12,285 INFO L899 garLoopResultBuilder]: For program point L5864-2(lines 5864 5867) no Hoare annotation was computed. [2022-11-19 06:51:12,285 INFO L899 garLoopResultBuilder]: For program point L5864(line 5864) no Hoare annotation was computed. [2022-11-19 06:51:12,285 INFO L899 garLoopResultBuilder]: For program point cdc_mbim_tx_fixupEXIT(lines 6048 6116) no Hoare annotation was computed. [2022-11-19 06:51:12,285 INFO L899 garLoopResultBuilder]: For program point L6079(line 6079) no Hoare annotation was computed. [2022-11-19 06:51:12,285 INFO L902 garLoopResultBuilder]: At program point L5881(lines 5873 5884) the Hoare annotation is: true [2022-11-19 06:51:12,286 INFO L899 garLoopResultBuilder]: For program point L6063(lines 6063 6066) no Hoare annotation was computed. [2022-11-19 06:51:12,286 INFO L902 garLoopResultBuilder]: At program point L5543(lines 5539 5545) the Hoare annotation is: true [2022-11-19 06:51:12,286 INFO L899 garLoopResultBuilder]: For program point L6088(line 6088) no Hoare annotation was computed. [2022-11-19 06:51:12,286 INFO L899 garLoopResultBuilder]: For program point L5890(lines 5890 5896) no Hoare annotation was computed. [2022-11-19 06:51:12,286 INFO L899 garLoopResultBuilder]: For program point skb_reset_mac_headerFINAL(lines 5702 5708) no Hoare annotation was computed. [2022-11-19 06:51:12,286 INFO L902 garLoopResultBuilder]: At program point skb_reset_mac_headerENTRY(lines 5702 5708) the Hoare annotation is: true [2022-11-19 06:51:12,286 INFO L899 garLoopResultBuilder]: For program point skb_reset_mac_headerEXIT(lines 5702 5708) no Hoare annotation was computed. [2022-11-19 06:51:12,287 INFO L902 garLoopResultBuilder]: At program point ldv_stop___0ENTRY(lines 6813 6819) the Hoare annotation is: true [2022-11-19 06:51:12,287 INFO L899 garLoopResultBuilder]: For program point ldv_stop___0EXIT(lines 6813 6819) no Hoare annotation was computed. [2022-11-19 06:51:12,287 INFO L902 garLoopResultBuilder]: At program point L5599(line 5599) the Hoare annotation is: true [2022-11-19 06:51:12,287 INFO L902 garLoopResultBuilder]: At program point L5598(line 5598) the Hoare annotation is: true [2022-11-19 06:51:12,287 INFO L899 garLoopResultBuilder]: For program point L5599-1(line 5599) no Hoare annotation was computed. [2022-11-19 06:51:12,287 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,287 INFO L902 garLoopResultBuilder]: At program point L5598-1(line 5598) the Hoare annotation is: true [2022-11-19 06:51:12,288 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 5586 5603) no Hoare annotation was computed. [2022-11-19 06:51:12,288 INFO L899 garLoopResultBuilder]: For program point L5593(lines 5593 5601) no Hoare annotation was computed. [2022-11-19 06:51:12,288 INFO L902 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 5586 5603) the Hoare annotation is: true [2022-11-19 06:51:12,288 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 5586 5603) no Hoare annotation was computed. [2022-11-19 06:51:12,288 INFO L902 garLoopResultBuilder]: At program point ldv_usb_get_intfdata_4ENTRY(lines 6781 6788) the Hoare annotation is: true [2022-11-19 06:51:12,288 INFO L902 garLoopResultBuilder]: At program point L6833(lines 6830 6835) the Hoare annotation is: true [2022-11-19 06:51:12,288 INFO L899 garLoopResultBuilder]: For program point ldv_usb_get_intfdata_4FINAL(lines 6781 6788) no Hoare annotation was computed. [2022-11-19 06:51:12,289 INFO L899 garLoopResultBuilder]: For program point ldv_usb_get_intfdata_4EXIT(lines 6781 6788) no Hoare annotation was computed. [2022-11-19 06:51:12,289 INFO L895 garLoopResultBuilder]: At program point L6642(line 6642) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,289 INFO L899 garLoopResultBuilder]: For program point L6708-1(line 6708) no Hoare annotation was computed. [2022-11-19 06:51:12,289 INFO L895 garLoopResultBuilder]: At program point L6708(line 6708) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,289 INFO L895 garLoopResultBuilder]: At program point L6510(line 6510) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_3~0) (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,289 INFO L899 garLoopResultBuilder]: For program point L6642-1(line 6642) no Hoare annotation was computed. [2022-11-19 06:51:12,290 INFO L899 garLoopResultBuilder]: For program point L6510-1(line 6510) no Hoare annotation was computed. [2022-11-19 06:51:12,290 INFO L895 garLoopResultBuilder]: At program point L6808(lines 6803 6810) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,290 INFO L899 garLoopResultBuilder]: For program point L6511-1(line 6511) no Hoare annotation was computed. [2022-11-19 06:51:12,290 INFO L895 garLoopResultBuilder]: At program point L6511(line 6511) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_3~0) (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,290 INFO L899 garLoopResultBuilder]: For program point L7040(lines 7040 7043) no Hoare annotation was computed. [2022-11-19 06:51:12,290 INFO L895 garLoopResultBuilder]: At program point L6611(lines 6501 6764) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,291 INFO L899 garLoopResultBuilder]: For program point L6545(line 6545) no Hoare annotation was computed. [2022-11-19 06:51:12,291 INFO L895 garLoopResultBuilder]: At program point L6678(line 6678) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,291 INFO L899 garLoopResultBuilder]: For program point L6744-1(line 6744) no Hoare annotation was computed. [2022-11-19 06:51:12,291 INFO L895 garLoopResultBuilder]: At program point L6744(line 6744) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,291 INFO L899 garLoopResultBuilder]: For program point L6546(lines 6546 6551) no Hoare annotation was computed. [2022-11-19 06:51:12,291 INFO L899 garLoopResultBuilder]: For program point L6579(line 6579) no Hoare annotation was computed. [2022-11-19 06:51:12,292 INFO L899 garLoopResultBuilder]: For program point L6678-1(line 6678) no Hoare annotation was computed. [2022-11-19 06:51:12,292 INFO L899 garLoopResultBuilder]: For program point L6480-1(line 6480) no Hoare annotation was computed. [2022-11-19 06:51:12,292 INFO L899 garLoopResultBuilder]: For program point L6546-2(lines 6523 6581) no Hoare annotation was computed. [2022-11-19 06:51:12,292 INFO L895 garLoopResultBuilder]: At program point L6480(line 6480) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,292 INFO L895 garLoopResultBuilder]: At program point L7042(line 7042) the Hoare annotation is: false [2022-11-19 06:51:12,292 INFO L895 garLoopResultBuilder]: At program point L7141(lines 7140 7142) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,292 INFO L899 garLoopResultBuilder]: For program point L7042-1(lines 7039 7061) no Hoare annotation was computed. [2022-11-19 06:51:12,293 INFO L899 garLoopResultBuilder]: For program point L6547-1(line 6547) no Hoare annotation was computed. [2022-11-19 06:51:12,293 INFO L895 garLoopResultBuilder]: At program point L6547(line 6547) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,293 INFO L902 garLoopResultBuilder]: At program point L6580(line 6580) the Hoare annotation is: true [2022-11-19 06:51:12,293 INFO L895 garLoopResultBuilder]: At program point L6482(lines 6476 6484) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,293 INFO L899 garLoopResultBuilder]: For program point L6714(line 6714) no Hoare annotation was computed. [2022-11-19 06:51:12,293 INFO L899 garLoopResultBuilder]: For program point L6648(line 6648) no Hoare annotation was computed. [2022-11-19 06:51:12,294 INFO L899 garLoopResultBuilder]: For program point L6715(lines 6715 6723) no Hoare annotation was computed. [2022-11-19 06:51:12,294 INFO L899 garLoopResultBuilder]: For program point L6649(lines 6649 6657) no Hoare annotation was computed. [2022-11-19 06:51:12,294 INFO L895 garLoopResultBuilder]: At program point L7046(line 7046) the Hoare annotation is: false [2022-11-19 06:51:12,294 INFO L895 garLoopResultBuilder]: At program point L7145(lines 7144 7146) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,294 INFO L899 garLoopResultBuilder]: For program point L7046-1(lines 7039 7061) no Hoare annotation was computed. [2022-11-19 06:51:12,294 INFO L895 garLoopResultBuilder]: At program point L6650(line 6650) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= (_ bv1 32) ~ldv_state_variable_3~0) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,294 INFO L899 garLoopResultBuilder]: For program point L6683(line 6683) no Hoare annotation was computed. [2022-11-19 06:51:12,295 INFO L899 garLoopResultBuilder]: For program point L6716-1(line 6716) no Hoare annotation was computed. [2022-11-19 06:51:12,295 INFO L895 garLoopResultBuilder]: At program point L6716(line 6716) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,295 INFO L899 garLoopResultBuilder]: For program point L6749(line 6749) no Hoare annotation was computed. [2022-11-19 06:51:12,295 INFO L899 garLoopResultBuilder]: For program point L6617(line 6617) no Hoare annotation was computed. [2022-11-19 06:51:12,295 INFO L899 garLoopResultBuilder]: For program point L6650-1(line 6650) no Hoare annotation was computed. [2022-11-19 06:51:12,295 INFO L899 garLoopResultBuilder]: For program point L6452-1(line 6452) no Hoare annotation was computed. [2022-11-19 06:51:12,295 INFO L895 garLoopResultBuilder]: At program point L6452(line 6452) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,296 INFO L902 garLoopResultBuilder]: At program point L6750(line 6750) the Hoare annotation is: true [2022-11-19 06:51:12,296 INFO L902 garLoopResultBuilder]: At program point L6618(line 6618) the Hoare annotation is: true [2022-11-19 06:51:12,296 INFO L899 garLoopResultBuilder]: For program point L6651(lines 6651 6655) no Hoare annotation was computed. [2022-11-19 06:51:12,296 INFO L902 garLoopResultBuilder]: At program point L6684(line 6684) the Hoare annotation is: true [2022-11-19 06:51:12,296 INFO L899 garLoopResultBuilder]: For program point L6717(lines 6717 6721) no Hoare annotation was computed. [2022-11-19 06:51:12,296 INFO L899 garLoopResultBuilder]: For program point L6519(lines 6519 6758) no Hoare annotation was computed. [2022-11-19 06:51:12,296 INFO L899 garLoopResultBuilder]: For program point L6586(line 6586) no Hoare annotation was computed. [2022-11-19 06:51:12,297 INFO L895 garLoopResultBuilder]: At program point L6454(line 6454) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,297 INFO L899 garLoopResultBuilder]: For program point L6520(line 6520) no Hoare annotation was computed. [2022-11-19 06:51:12,297 INFO L899 garLoopResultBuilder]: For program point L6553-1(line 6553) no Hoare annotation was computed. [2022-11-19 06:51:12,297 INFO L895 garLoopResultBuilder]: At program point L6553(line 6553) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,297 INFO L899 garLoopResultBuilder]: For program point L6454-1(line 6454) no Hoare annotation was computed. [2022-11-19 06:51:12,297 INFO L899 garLoopResultBuilder]: For program point L6587(lines 6587 6622) no Hoare annotation was computed. [2022-11-19 06:51:12,297 INFO L899 garLoopResultBuilder]: For program point L6521(lines 6521 6584) no Hoare annotation was computed. [2022-11-19 06:51:12,298 INFO L895 garLoopResultBuilder]: At program point L7050(line 7050) the Hoare annotation is: false [2022-11-19 06:51:12,298 INFO L895 garLoopResultBuilder]: At program point L7116(lines 7115 7117) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_3~0) (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,298 INFO L899 garLoopResultBuilder]: For program point L7050-1(lines 7039 7061) no Hoare annotation was computed. [2022-11-19 06:51:12,298 INFO L899 garLoopResultBuilder]: For program point L6456-1(line 6456) no Hoare annotation was computed. [2022-11-19 06:51:12,298 INFO L895 garLoopResultBuilder]: At program point L6456(line 6456) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,298 INFO L899 garLoopResultBuilder]: For program point L6523(lines 6523 6581) no Hoare annotation was computed. [2022-11-19 06:51:12,299 INFO L899 garLoopResultBuilder]: For program point L6589(lines 6589 6619) no Hoare annotation was computed. [2022-11-19 06:51:12,299 INFO L899 garLoopResultBuilder]: For program point L6590(line 6590) no Hoare annotation was computed. [2022-11-19 06:51:12,299 INFO L895 garLoopResultBuilder]: At program point L6458(lines 6446 6460) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,299 INFO L899 garLoopResultBuilder]: For program point L6524(line 6524) no Hoare annotation was computed. [2022-11-19 06:51:12,299 INFO L895 garLoopResultBuilder]: At program point L7152(lines 7151 7153) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,299 INFO L899 garLoopResultBuilder]: For program point L6690(line 6690) no Hoare annotation was computed. [2022-11-19 06:51:12,299 INFO L899 garLoopResultBuilder]: For program point L6756(line 6756) no Hoare annotation was computed. [2022-11-19 06:51:12,300 INFO L899 garLoopResultBuilder]: For program point L6591(lines 6591 6596) no Hoare annotation was computed. [2022-11-19 06:51:12,300 INFO L899 garLoopResultBuilder]: For program point L6624(line 6624) no Hoare annotation was computed. [2022-11-19 06:51:12,300 INFO L899 garLoopResultBuilder]: For program point L6525(lines 6525 6533) no Hoare annotation was computed. [2022-11-19 06:51:12,300 INFO L895 garLoopResultBuilder]: At program point L7054(line 7054) the Hoare annotation is: false [2022-11-19 06:51:12,300 INFO L899 garLoopResultBuilder]: For program point L7054-1(lines 7039 7061) no Hoare annotation was computed. [2022-11-19 06:51:12,300 INFO L899 garLoopResultBuilder]: For program point L6691(lines 6691 6754) no Hoare annotation was computed. [2022-11-19 06:51:12,300 INFO L902 garLoopResultBuilder]: At program point L6757(line 6757) the Hoare annotation is: true [2022-11-19 06:51:12,301 INFO L899 garLoopResultBuilder]: For program point L6559(line 6559) no Hoare annotation was computed. [2022-11-19 06:51:12,301 INFO L899 garLoopResultBuilder]: For program point L6625(lines 6625 6688) no Hoare annotation was computed. [2022-11-19 06:51:12,301 INFO L895 garLoopResultBuilder]: At program point L6427(lines 6422 6429) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,301 INFO L899 garLoopResultBuilder]: For program point L6659(line 6659) no Hoare annotation was computed. [2022-11-19 06:51:12,301 INFO L899 garLoopResultBuilder]: For program point L6725(line 6725) no Hoare annotation was computed. [2022-11-19 06:51:12,301 INFO L899 garLoopResultBuilder]: For program point L6527(lines 6527 6531) no Hoare annotation was computed. [2022-11-19 06:51:12,301 INFO L899 garLoopResultBuilder]: For program point L6560(lines 6560 6567) no Hoare annotation was computed. [2022-11-19 06:51:12,302 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,302 INFO L899 garLoopResultBuilder]: For program point L6726(lines 6726 6730) no Hoare annotation was computed. [2022-11-19 06:51:12,302 INFO L895 garLoopResultBuilder]: At program point L6759(lines 6501 6764) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,302 INFO L899 garLoopResultBuilder]: For program point L6660-2(lines 6627 6685) no Hoare annotation was computed. [2022-11-19 06:51:12,302 INFO L899 garLoopResultBuilder]: For program point L6627(lines 6627 6685) no Hoare annotation was computed. [2022-11-19 06:51:12,302 INFO L899 garLoopResultBuilder]: For program point L6660(lines 6660 6664) no Hoare annotation was computed. [2022-11-19 06:51:12,302 INFO L899 garLoopResultBuilder]: For program point L6726-2(lines 6693 6751) no Hoare annotation was computed. [2022-11-19 06:51:12,302 INFO L899 garLoopResultBuilder]: For program point L6693(lines 6693 6751) no Hoare annotation was computed. [2022-11-19 06:51:12,303 INFO L899 garLoopResultBuilder]: For program point L6561-1(line 6561) no Hoare annotation was computed. [2022-11-19 06:51:12,303 INFO L895 garLoopResultBuilder]: At program point L6561(line 6561) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,303 INFO L899 garLoopResultBuilder]: For program point L6694(line 6694) no Hoare annotation was computed. [2022-11-19 06:51:12,303 INFO L899 garLoopResultBuilder]: For program point L6727-1(line 6727) no Hoare annotation was computed. [2022-11-19 06:51:12,303 INFO L895 garLoopResultBuilder]: At program point L6727(line 6727) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,303 INFO L899 garLoopResultBuilder]: For program point L6562(lines 6562 6565) no Hoare annotation was computed. [2022-11-19 06:51:12,304 INFO L899 garLoopResultBuilder]: For program point L6628(line 6628) no Hoare annotation was computed. [2022-11-19 06:51:12,304 INFO L899 garLoopResultBuilder]: For program point L6661-1(line 6661) no Hoare annotation was computed. [2022-11-19 06:51:12,304 INFO L895 garLoopResultBuilder]: At program point L6661(line 6661) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= (_ bv1 32) ~ldv_state_variable_3~0) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,304 INFO L895 garLoopResultBuilder]: At program point L7058(line 7058) the Hoare annotation is: false [2022-11-19 06:51:12,304 INFO L902 garLoopResultBuilder]: At program point L7058-1(lines 7037 7062) the Hoare annotation is: true [2022-11-19 06:51:12,304 INFO L899 garLoopResultBuilder]: For program point L6695(lines 6695 6699) no Hoare annotation was computed. [2022-11-19 06:51:12,304 INFO L899 garLoopResultBuilder]: For program point L6629-2(lines 6627 6685) no Hoare annotation was computed. [2022-11-19 06:51:12,304 INFO L899 garLoopResultBuilder]: For program point L6629(lines 6629 6633) no Hoare annotation was computed. [2022-11-19 06:51:12,304 INFO L899 garLoopResultBuilder]: For program point L6695-2(lines 6693 6751) no Hoare annotation was computed. [2022-11-19 06:51:12,305 INFO L895 garLoopResultBuilder]: At program point L6630(line 6630) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= (_ bv1 32) ~ldv_state_variable_3~0) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,305 INFO L899 garLoopResultBuilder]: For program point L6696-1(line 6696) no Hoare annotation was computed. [2022-11-19 06:51:12,305 INFO L895 garLoopResultBuilder]: At program point L6696(line 6696) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,305 INFO L899 garLoopResultBuilder]: For program point L6630-1(line 6630) no Hoare annotation was computed. [2022-11-19 06:51:12,305 INFO L902 garLoopResultBuilder]: At program point L6763(lines 6485 6765) the Hoare annotation is: true [2022-11-19 06:51:12,305 INFO L899 garLoopResultBuilder]: For program point L6598(line 6598) no Hoare annotation was computed. [2022-11-19 06:51:12,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,305 INFO L899 garLoopResultBuilder]: For program point L6599(lines 6599 6615) no Hoare annotation was computed. [2022-11-19 06:51:12,305 INFO L895 garLoopResultBuilder]: At program point L6434(lines 6430 6436) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,305 INFO L899 garLoopResultBuilder]: For program point L6467-1(line 6467) no Hoare annotation was computed. [2022-11-19 06:51:12,305 INFO L895 garLoopResultBuilder]: At program point L6467(line 6467) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= (_ bv1 32) ~ldv_state_variable_3~0) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,306 INFO L895 garLoopResultBuilder]: At program point L6666(line 6666) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,306 INFO L899 garLoopResultBuilder]: For program point L6732-1(line 6732) no Hoare annotation was computed. [2022-11-19 06:51:12,306 INFO L895 garLoopResultBuilder]: At program point L6732(line 6732) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,306 INFO L899 garLoopResultBuilder]: For program point L6666-1(line 6666) no Hoare annotation was computed. [2022-11-19 06:51:12,306 INFO L895 garLoopResultBuilder]: At program point L6502(line 6502) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_3~0) (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,306 INFO L899 garLoopResultBuilder]: For program point L6535(line 6535) no Hoare annotation was computed. [2022-11-19 06:51:12,306 INFO L899 garLoopResultBuilder]: For program point L6601-2(lines 6599 6614) no Hoare annotation was computed. [2022-11-19 06:51:12,306 INFO L899 garLoopResultBuilder]: For program point L6601(lines 6601 6608) no Hoare annotation was computed. [2022-11-19 06:51:12,306 INFO L899 garLoopResultBuilder]: For program point L6469-1(line 6469) no Hoare annotation was computed. [2022-11-19 06:51:12,306 INFO L899 garLoopResultBuilder]: For program point L6502-1(line 6502) no Hoare annotation was computed. [2022-11-19 06:51:12,306 INFO L895 garLoopResultBuilder]: At program point L6469(line 6469) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= (_ bv1 32) ~ldv_state_variable_3~0) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,306 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,307 INFO L895 garLoopResultBuilder]: At program point L6800(lines 6789 6802) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,307 INFO L899 garLoopResultBuilder]: For program point L6635-1(line 6635) no Hoare annotation was computed. [2022-11-19 06:51:12,307 INFO L895 garLoopResultBuilder]: At program point L6635(line 6635) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,307 INFO L899 garLoopResultBuilder]: For program point L6701-1(line 6701) no Hoare annotation was computed. [2022-11-19 06:51:12,307 INFO L895 garLoopResultBuilder]: At program point L6701(line 6701) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,307 INFO L899 garLoopResultBuilder]: For program point L6536(lines 6536 6543) no Hoare annotation was computed. [2022-11-19 06:51:12,307 INFO L899 garLoopResultBuilder]: For program point L6569(line 6569) no Hoare annotation was computed. [2022-11-19 06:51:12,307 INFO L899 garLoopResultBuilder]: For program point L6570(lines 6570 6577) no Hoare annotation was computed. [2022-11-19 06:51:12,307 INFO L899 garLoopResultBuilder]: For program point L6471-1(line 6471) no Hoare annotation was computed. [2022-11-19 06:51:12,307 INFO L895 garLoopResultBuilder]: At program point L6471(line 6471) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= (_ bv1 32) ~ldv_state_variable_3~0) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,307 INFO L899 garLoopResultBuilder]: For program point L6537-1(line 6537) no Hoare annotation was computed. [2022-11-19 06:51:12,308 INFO L895 garLoopResultBuilder]: At program point L6537(line 6537) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,308 INFO L899 garLoopResultBuilder]: For program point L6538(lines 6538 6541) no Hoare annotation was computed. [2022-11-19 06:51:12,308 INFO L899 garLoopResultBuilder]: For program point L6571-1(line 6571) no Hoare annotation was computed. [2022-11-19 06:51:12,308 INFO L895 garLoopResultBuilder]: At program point L6571(line 6571) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,308 INFO L899 garLoopResultBuilder]: For program point L6671(line 6671) no Hoare annotation was computed. [2022-11-19 06:51:12,308 INFO L899 garLoopResultBuilder]: For program point L6737(line 6737) no Hoare annotation was computed. [2022-11-19 06:51:12,308 INFO L899 garLoopResultBuilder]: For program point L6572(lines 6572 6575) no Hoare annotation was computed. [2022-11-19 06:51:12,308 INFO L895 garLoopResultBuilder]: At program point L6473(lines 6461 6475) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= (_ bv1 32) ~ldv_state_variable_3~0) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,308 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-19 06:51:12,308 INFO L899 garLoopResultBuilder]: For program point L6738(lines 6738 6742) no Hoare annotation was computed. [2022-11-19 06:51:12,308 INFO L899 garLoopResultBuilder]: For program point L6672-2(lines 6627 6685) no Hoare annotation was computed. [2022-11-19 06:51:12,308 INFO L899 garLoopResultBuilder]: For program point L6672(lines 6672 6676) no Hoare annotation was computed. [2022-11-19 06:51:12,308 INFO L899 garLoopResultBuilder]: For program point L6738-2(lines 6693 6751) no Hoare annotation was computed. [2022-11-19 06:51:12,308 INFO L899 garLoopResultBuilder]: For program point L6706(line 6706) no Hoare annotation was computed. [2022-11-19 06:51:12,309 INFO L899 garLoopResultBuilder]: For program point L6739-1(line 6739) no Hoare annotation was computed. [2022-11-19 06:51:12,309 INFO L895 garLoopResultBuilder]: At program point L6739(line 6739) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv1 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,309 INFO L899 garLoopResultBuilder]: For program point L6640(line 6640) no Hoare annotation was computed. [2022-11-19 06:51:12,309 INFO L899 garLoopResultBuilder]: For program point L6673-1(line 6673) no Hoare annotation was computed. [2022-11-19 06:51:12,309 INFO L895 garLoopResultBuilder]: At program point L6673(line 6673) the Hoare annotation is: (and (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= (_ bv1 32) ~ldv_state_variable_3~0) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32))) [2022-11-19 06:51:12,309 INFO L899 garLoopResultBuilder]: For program point L6707(lines 6707 6712) no Hoare annotation was computed. [2022-11-19 06:51:12,309 INFO L899 garLoopResultBuilder]: For program point L6641(lines 6641 6646) no Hoare annotation was computed. [2022-11-19 06:51:12,309 INFO L899 garLoopResultBuilder]: For program point L6509-1(line 6509) no Hoare annotation was computed. [2022-11-19 06:51:12,309 INFO L895 garLoopResultBuilder]: At program point L6509(line 6509) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_3~0) (= (_ bv0 64) ~usb_dev~0.base) (= ~dev_counter~0 (_ bv0 32)) (= ~usb_urb~0.offset (_ bv0 64)) (= ~usb_dev~0.offset (_ bv0 64)) (= ~SERIAL_STATE~0 (_ bv0 32)) (= (_ bv0 64) ~usb_urb~0.base) (= ~INTERF_STATE~0 (_ bv0 32)) (= (_ bv0 32) ~ldv_state_variable_2~0)) [2022-11-19 06:51:12,309 INFO L899 garLoopResultBuilder]: For program point eth_hdrEXIT(lines 5772 5779) no Hoare annotation was computed. [2022-11-19 06:51:12,309 INFO L902 garLoopResultBuilder]: At program point L5699(lines 5696 5701) the Hoare annotation is: true [2022-11-19 06:51:12,310 INFO L902 garLoopResultBuilder]: At program point eth_hdrENTRY(lines 5772 5779) the Hoare annotation is: true [2022-11-19 06:51:12,310 INFO L899 garLoopResultBuilder]: For program point eth_hdrFINAL(lines 5772 5779) no Hoare annotation was computed. [2022-11-19 06:51:12,310 INFO L902 garLoopResultBuilder]: At program point IS_ERRENTRY(lines 5477 5484) the Hoare annotation is: true [2022-11-19 06:51:12,310 INFO L899 garLoopResultBuilder]: For program point IS_ERRFINAL(lines 5477 5484) no Hoare annotation was computed. [2022-11-19 06:51:12,310 INFO L902 garLoopResultBuilder]: At program point L5481(line 5481) the Hoare annotation is: true [2022-11-19 06:51:12,310 INFO L899 garLoopResultBuilder]: For program point IS_ERREXIT(lines 5477 5484) no Hoare annotation was computed. [2022-11-19 06:51:12,310 INFO L899 garLoopResultBuilder]: For program point L5481-1(line 5481) no Hoare annotation was computed. [2022-11-19 06:51:12,313 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:51:12,315 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:51:12,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:51:12 BoogieIcfgContainer [2022-11-19 06:51:12,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:51:12,362 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:51:12,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:51:12,363 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:51:12,363 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:49:45" (3/4) ... [2022-11-19 06:51:12,366 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 06:51:12,373 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_resume [2022-11-19 06:51:12,373 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2022-11-19 06:51:12,373 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2022-11-19 06:51:12,373 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_suspend [2022-11-19 06:51:12,373 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-19 06:51:12,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_rx_fixup [2022-11-19 06:51:12,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:51:12,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_bind [2022-11-19 06:51:12,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_resume [2022-11-19 06:51:12,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fswab16 [2022-11-19 06:51:12,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-19 06:51:12,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_manage_power [2022-11-19 06:51:12,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-11-19 06:51:12,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_headroom [2022-11-19 06:51:12,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2022-11-19 06:51:12,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_read [2022-11-19 06:51:12,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2022-11-19 06:51:12,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_ncm_unbind [2022-11-19 06:51:12,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_unbind [2022-11-19 06:51:12,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2022-11-19 06:51:12,375 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-19 06:51:12,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_mbim_tx_fixup [2022-11-19 06:51:12,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_reset_mac_header [2022-11-19 06:51:12,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-19 06:51:12,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~C_INT [2022-11-19 06:51:12,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop___0 [2022-11-19 06:51:12,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2022-11-19 06:51:12,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_get_intfdata_4 [2022-11-19 06:51:12,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~C_INT [2022-11-19 06:51:12,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eth_hdr [2022-11-19 06:51:12,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2022-11-19 06:51:12,402 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 206 nodes and edges [2022-11-19 06:51:12,405 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2022-11-19 06:51:12,407 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-19 06:51:12,410 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 06:51:12,412 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-19 06:51:12,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || ((((\result == 0bv32 && rv == 0bv32) && res == 0bv32) && INTERF_STATE == 0bv32) && \result == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) [2022-11-19 06:51:12,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || ((((\result == 0bv32 && rv == 0bv32) && res == 0bv32) && INTERF_STATE == 0bv32) && \result == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) [2022-11-19 06:51:12,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || INTERF_STATE == 0bv32) || !(usb_dev == 0bv64) [2022-11-19 06:51:12,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || (rv == 0bv32 && INTERF_STATE == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) [2022-11-19 06:51:12,447 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || (rv == 0bv32 && INTERF_STATE == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) [2022-11-19 06:51:12,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || (rv == 0bv32 && INTERF_STATE == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) [2022-11-19 06:51:12,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || (rv == 0bv32 && INTERF_STATE == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) [2022-11-19 06:51:12,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || (rv == 0bv32 && INTERF_STATE == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) [2022-11-19 06:51:12,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || (((rv == 0bv32 && INTERF_STATE == 1bv32) && res == 0bv32) && \result == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || (((((~bvsle32(res, 0bv32) && rv == 0bv32) && ~bvsle32(\result, 0bv32)) && INTERF_STATE == 0bv32) && !(res == 0bv32)) && !(\result == 0bv32))) || !(usb_dev == 0bv64) [2022-11-19 06:51:12,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || ((((\result == 0bv32 && rv == 0bv32) && INTERF_STATE == 1bv32) && res == 0bv32) && \result == 0bv32)) || (((((((~bvsle32(res, 0bv32) && rv == 0bv32) && !(\result == 0bv32)) && ~bvsle32(\result, 0bv32)) && INTERF_STATE == 0bv32) && !(res == 0bv32)) && ~bvsle32(\result, 0bv32)) && !(\result == 0bv32))) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) [2022-11-19 06:51:12,621 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 06:51:12,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:51:12,622 INFO L158 Benchmark]: Toolchain (without parser) took 100886.59ms. Allocated memory was 65.0MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 36.5MB in the beginning and 4.3GB in the end (delta: -4.3GB). Peak memory consumption was 900.2MB. Max. memory is 16.1GB. [2022-11-19 06:51:12,622 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 46.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:51:12,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2221.96ms. Allocated memory was 65.0MB in the beginning and 130.0MB in the end (delta: 65.0MB). Free memory was 36.3MB in the beginning and 69.6MB in the end (delta: -33.3MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2022-11-19 06:51:12,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.11ms. Allocated memory is still 130.0MB. Free memory was 69.6MB in the beginning and 59.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 06:51:12,624 INFO L158 Benchmark]: Boogie Preprocessor took 191.07ms. Allocated memory is still 130.0MB. Free memory was 59.1MB in the beginning and 67.2MB in the end (delta: -8.1MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2022-11-19 06:51:12,624 INFO L158 Benchmark]: RCFGBuilder took 10926.16ms. Allocated memory was 130.0MB in the beginning and 232.8MB in the end (delta: 102.8MB). Free memory was 67.2MB in the beginning and 99.5MB in the end (delta: -32.3MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. [2022-11-19 06:51:12,624 INFO L158 Benchmark]: TraceAbstraction took 87120.35ms. Allocated memory was 232.8MB in the beginning and 5.3GB in the end (delta: 5.0GB). Free memory was 99.5MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-19 06:51:12,625 INFO L158 Benchmark]: Witness Printer took 258.71ms. Allocated memory is still 5.3GB. Free memory was 4.4GB in the beginning and 4.3GB in the end (delta: 32.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-19 06:51:12,626 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 46.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2221.96ms. Allocated memory was 65.0MB in the beginning and 130.0MB in the end (delta: 65.0MB). Free memory was 36.3MB in the beginning and 69.6MB in the end (delta: -33.3MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 159.11ms. Allocated memory is still 130.0MB. Free memory was 69.6MB in the beginning and 59.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 191.07ms. Allocated memory is still 130.0MB. Free memory was 59.1MB in the beginning and 67.2MB in the end (delta: -8.1MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * RCFGBuilder took 10926.16ms. Allocated memory was 130.0MB in the beginning and 232.8MB in the end (delta: 102.8MB). Free memory was 67.2MB in the beginning and 99.5MB in the end (delta: -32.3MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. * TraceAbstraction took 87120.35ms. Allocated memory was 232.8MB in the beginning and 5.3GB in the end (delta: 5.0GB). Free memory was 99.5MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 258.71ms. Allocated memory is still 5.3GB. Free memory was 4.4GB in the beginning and 4.3GB in the end (delta: 32.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5624]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 520 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 87.0s, OverallIterations: 14, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7844 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7841 mSDsluCounter, 24655 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12810 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 558 IncrementalHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 11845 mSDtfsCounter, 558 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4099 GetRequests, 3990 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27526occurred in iteration=12, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 14107 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 206 LocationsWithAnnotation, 43441 PreInvPairs, 45532 NumberOfFragments, 1848 HoareAnnotationTreeSize, 43441 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 6.0s HoareSimplificationTime, 206 FomulaSimplificationsInter, 160102 FormulaSimplificationTreeSizeReductionInter, 17.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.8s SsaConstructionTime, 11.4s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 2640 NumberOfCodeBlocks, 2640 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 4091 ConstructedInterpolants, 0 QuantifiedInterpolants, 6015 SizeOfPredicates, 35 NumberOfNonLiveVariables, 23185 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 46 InterpolantComputations, 14 PerfectInterpolantSequences, 3383/3607 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6446]: Loop Invariant Derived loop invariant: ((((((0bv64 == usb_dev && dev_counter == 0bv32) && usb_urb == 0bv64) && usb_dev == 0bv64) && SERIAL_STATE == 0bv32) && 0bv64 == usb_urb) && INTERF_STATE == 0bv32) && 1bv32 == ldv_state_variable_2 - InvariantResult [Line: 6501]: Loop Invariant Derived loop invariant: (((((0bv64 == usb_dev && dev_counter == 0bv32) && usb_urb == 0bv64) && usb_dev == 0bv64) && SERIAL_STATE == 0bv32) && 0bv64 == usb_urb) && INTERF_STATE == 0bv32 - InvariantResult [Line: 7151]: Loop Invariant Derived loop invariant: (((((0bv64 == usb_dev && dev_counter == 0bv32) && usb_urb == 0bv64) && usb_dev == 0bv64) && SERIAL_STATE == 0bv32) && 0bv64 == usb_urb) && INTERF_STATE == 0bv32 - InvariantResult [Line: 7126]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6485]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6501]: Loop Invariant Derived loop invariant: (((((0bv64 == usb_dev && dev_counter == 0bv32) && usb_urb == 0bv64) && usb_dev == 0bv64) && SERIAL_STATE == 0bv32) && 0bv64 == usb_urb) && INTERF_STATE == 0bv32 - InvariantResult [Line: 5948]: Loop Invariant Derived loop invariant: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || INTERF_STATE == 0bv32) || !(usb_dev == 0bv64) - InvariantResult [Line: 6362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5796]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5782]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6803]: Loop Invariant Derived loop invariant: (((((0bv64 == usb_dev && dev_counter == 0bv32) && usb_urb == 0bv64) && usb_dev == 0bv64) && SERIAL_STATE == 0bv32) && 0bv64 == usb_urb) && INTERF_STATE == 0bv32 - InvariantResult [Line: 7123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6766]: Loop Invariant Derived loop invariant: (((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || ((((\result == 0bv32 && rv == 0bv32) && INTERF_STATE == 1bv32) && res == 0bv32) && \result == 0bv32)) || (((((((~bvsle32(res, 0bv32) && rv == 0bv32) && !(\result == 0bv32)) && ~bvsle32(\result, 0bv32)) && INTERF_STATE == 0bv32) && !(res == 0bv32)) && ~bvsle32(\result, 0bv32)) && !(\result == 0bv32))) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) - InvariantResult [Line: 7112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7095]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7084]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5465]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6461]: Loop Invariant Derived loop invariant: (((((((0bv64 == usb_dev && dev_counter == 0bv32) && usb_urb == 0bv64) && 1bv32 == ldv_state_variable_3) && usb_dev == 0bv64) && SERIAL_STATE == 0bv32) && 0bv64 == usb_urb) && INTERF_STATE == 0bv32) && 1bv32 == ldv_state_variable_2 - InvariantResult [Line: 5532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6067]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6789]: Loop Invariant Derived loop invariant: ((((((0bv64 == usb_dev && dev_counter == 0bv32) && usb_urb == 0bv64) && 1bv32 == ldv_state_variable_0) && usb_dev == 0bv64) && SERIAL_STATE == 0bv32) && 0bv64 == usb_urb) && INTERF_STATE == 0bv32 - InvariantResult [Line: 6997]: Loop Invariant Derived loop invariant: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || ((((\result == 0bv32 && rv == 0bv32) && res == 0bv32) && INTERF_STATE == 0bv32) && \result == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) - InvariantResult [Line: 5832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5666]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7144]: Loop Invariant Derived loop invariant: ((((((0bv64 == usb_dev && dev_counter == 0bv32) && usb_urb == 0bv64) && 1bv32 == ldv_state_variable_0) && usb_dev == 0bv64) && SERIAL_STATE == 0bv32) && 0bv64 == usb_urb) && INTERF_STATE == 0bv32 - InvariantResult [Line: 5539]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5501]: Loop Invariant Derived loop invariant: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || (rv == 0bv32 && INTERF_STATE == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) - InvariantResult [Line: 7140]: Loop Invariant Derived loop invariant: (((((0bv64 == usb_dev && dev_counter == 0bv32) && usb_urb == 0bv64) && usb_dev == 0bv64) && SERIAL_STATE == 0bv32) && 0bv64 == usb_urb) && INTERF_STATE == 0bv32 - InvariantResult [Line: 7162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5471]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7071]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7158]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6131]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5939]: Loop Invariant Derived loop invariant: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || (rv == 0bv32 && INTERF_STATE == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) - InvariantResult [Line: 7109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7081]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6774]: Loop Invariant Derived loop invariant: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || ((((\result == 0bv32 && rv == 0bv32) && res == 0bv32) && INTERF_STATE == 0bv32) && \result == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) - InvariantResult [Line: 5858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5492]: Loop Invariant Derived loop invariant: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || (rv == 0bv32 && INTERF_STATE == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) - InvariantResult [Line: 5873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6073]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5696]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6979]: Loop Invariant Derived loop invariant: (((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || (((rv == 0bv32 && INTERF_STATE == 1bv32) && res == 0bv32) && \result == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || (((((~bvsle32(res, 0bv32) && rv == 0bv32) && ~bvsle32(\result, 0bv32)) && INTERF_STATE == 0bv32) && !(res == 0bv32)) && !(\result == 0bv32))) || !(usb_dev == 0bv64) - InvariantResult [Line: 7099]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5627]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7088]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5841]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7091]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7037]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7115]: Loop Invariant Derived loop invariant: (((((((0bv32 == ldv_state_variable_3 && 0bv64 == usb_dev) && dev_counter == 0bv32) && usb_urb == 0bv64) && usb_dev == 0bv64) && SERIAL_STATE == 0bv32) && 0bv64 == usb_urb) && INTERF_STATE == 0bv32) && 0bv32 == ldv_state_variable_2 - InvariantResult [Line: 6058]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6476]: Loop Invariant Derived loop invariant: ((((((0bv64 == usb_dev && dev_counter == 0bv32) && usb_urb == 0bv64) && 1bv32 == ldv_state_variable_0) && usb_dev == 0bv64) && SERIAL_STATE == 0bv32) && 0bv64 == usb_urb) && INTERF_STATE == 0bv32 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6422]: Loop Invariant Derived loop invariant: ((((((0bv64 == usb_dev && dev_counter == 0bv32) && usb_urb == 0bv64) && 1bv32 == ldv_state_variable_0) && usb_dev == 0bv64) && SERIAL_STATE == 0bv32) && 0bv64 == usb_urb) && INTERF_STATE == 0bv32 - InvariantResult [Line: 5939]: Loop Invariant Derived loop invariant: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || (rv == 0bv32 && INTERF_STATE == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) - InvariantResult [Line: 5504]: Loop Invariant Derived loop invariant: ((((((!(0bv64 == usb_urb) || !(SERIAL_STATE == 0bv32)) || (rv == 0bv32 && INTERF_STATE == 0bv32)) || !(dev_counter == 0bv32)) || !(\old(INTERF_STATE) == 0bv32)) || !(usb_urb == 0bv64)) || !(0bv64 == usb_dev)) || !(usb_dev == 0bv64) - InvariantResult [Line: 5994]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5722]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6430]: Loop Invariant Derived loop invariant: (((((0bv64 == usb_dev && dev_counter == 0bv32) && usb_urb == 0bv64) && usb_dev == 0bv64) && SERIAL_STATE == 0bv32) && 0bv64 == usb_urb) && INTERF_STATE == 0bv32 - InvariantResult [Line: 6204]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-19 06:51:12,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c3c8df6-2ecf-4e5a-ab2d-236e53ec279b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE