./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash abbffdcd9d162e40ee23574619503cd224e379518a2d0892b79cd093587730a2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:38:56,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:38:56,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:38:56,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:38:56,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:38:56,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:38:56,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:38:56,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:38:56,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:38:56,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:38:56,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:38:56,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:38:56,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:38:56,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:38:56,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:38:56,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:38:56,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:38:56,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:38:56,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:38:56,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:38:56,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:38:56,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:38:56,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:38:56,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:38:56,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:38:56,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:38:56,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:38:56,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:38:56,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:38:56,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:38:56,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:38:56,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:38:56,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:38:56,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:38:56,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:38:56,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:38:56,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:38:56,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:38:56,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:38:56,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:38:56,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:38:56,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:38:56,864 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:38:56,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:38:56,865 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:38:56,865 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:38:56,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:38:56,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:38:56,866 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:38:56,866 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:38:56,866 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:38:56,867 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:38:56,867 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:38:56,867 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:38:56,867 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:38:56,867 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:38:56,867 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:38:56,868 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:38:56,868 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:38:56,868 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:38:56,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:38:56,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:38:56,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:38:56,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:38:56,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:38:56,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:38:56,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:38:56,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:38:56,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:38:56,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:38:56,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:38:56,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:38:56,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:38:56,871 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:38:56,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:38:56,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:38:56,872 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:38:56,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:38:56,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:38:56,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:38:56,872 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_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abbffdcd9d162e40ee23574619503cd224e379518a2d0892b79cd093587730a2 [2022-11-03 03:38:57,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:38:57,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:38:57,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:38:57,148 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:38:57,149 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:38:57,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i [2022-11-03 03:38:57,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/data/aaafafac4/789dde8c7e1f474ca75957e92b79ab77/FLAGfc31616a3 [2022-11-03 03:38:58,401 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:38:58,402 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i [2022-11-03 03:38:58,504 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/data/aaafafac4/789dde8c7e1f474ca75957e92b79ab77/FLAGfc31616a3 [2022-11-03 03:38:58,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/data/aaafafac4/789dde8c7e1f474ca75957e92b79ab77 [2022-11-03 03:38:58,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:38:58,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:38:58,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:38:58,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:38:58,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:38:58,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:38:58" (1/1) ... [2022-11-03 03:38:58,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27028690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:38:58, skipping insertion in model container [2022-11-03 03:38:58,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:38:58" (1/1) ... [2022-11-03 03:38:58,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:38:58,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:39:05,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i[650907,650920] [2022-11-03 03:39:05,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:39:05,538 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:39:07,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i[650907,650920] [2022-11-03 03:39:07,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:39:07,343 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:39:07,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:07 WrapperNode [2022-11-03 03:39:07,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:39:07,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:39:07,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:39:07,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:39:07,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:07" (1/1) ... [2022-11-03 03:39:07,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:07" (1/1) ... [2022-11-03 03:39:08,159 INFO L138 Inliner]: procedures = 624, calls = 8799, calls flagged for inlining = 309, calls inlined = 304, statements flattened = 19536 [2022-11-03 03:39:08,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:39:08,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:39:08,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:39:08,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:39:08,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:07" (1/1) ... [2022-11-03 03:39:08,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:07" (1/1) ... [2022-11-03 03:39:08,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:07" (1/1) ... [2022-11-03 03:39:08,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:07" (1/1) ... [2022-11-03 03:39:08,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:07" (1/1) ... [2022-11-03 03:39:08,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:07" (1/1) ... [2022-11-03 03:39:09,077 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:07" (1/1) ... [2022-11-03 03:39:09,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:07" (1/1) ... [2022-11-03 03:39:09,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:39:09,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:39:09,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:39:09,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:39:09,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:07" (1/1) ... [2022-11-03 03:39:09,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:39:09,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:39:09,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:39:09,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:39:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_log_vpd [2022-11-03 03:39:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_log_vpd [2022-11-03 03:39:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 03:39:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 03:39:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_shutdown [2022-11-03 03:39:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_shutdown [2022-11-03 03:39:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 03:39:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_get_ldump_data_section [2022-11-03 03:39:09,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_get_ldump_data_section [2022-11-03 03:39:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 03:39:09,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 03:39:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_clear_res_target [2022-11-03 03:39:09,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_clear_res_target [2022-11-03 03:39:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:39:09,325 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:39:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_init_res_entry [2022-11-03 03:39:09,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_init_res_entry [2022-11-03 03:39:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 03:39:09,326 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 03:39:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 03:39:09,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 03:39:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:39:09,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:39:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure _ipr_initiate_ioa_reset [2022-11-03 03:39:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure _ipr_initiate_ioa_reset [2022-11-03 03:39:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-03 03:39:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-03 03:39:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_ata_post_internal [2022-11-03 03:39:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_ata_post_internal [2022-11-03 03:39:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_get_mode_page [2022-11-03 03:39:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_get_mode_page [2022-11-03 03:39:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_mode_sense_page24_failed [2022-11-03 03:39:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_mode_sense_page24_failed [2022-11-03 03:39:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 03:39:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 03:39:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-03 03:39:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-03 03:39:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_probe_ioa [2022-11-03 03:39:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_probe_ioa [2022-11-03 03:39:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_7 [2022-11-03 03:39:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_7 [2022-11-03 03:39:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reinit_ipr_cmnd [2022-11-03 03:39:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reinit_ipr_cmnd [2022-11-03 03:39:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 03:39:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 03:39:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 03:39:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 03:39:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_free_dump [2022-11-03 03:39:09,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_free_dump [2022-11-03 03:39:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_free_all_resources [2022-11-03 03:39:09,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_free_all_resources [2022-11-03 03:39:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_get_free_ipr_cmnd [2022-11-03 03:39:09,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_get_free_ipr_cmnd [2022-11-03 03:39:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure ata_sas_port_start [2022-11-03 03:39:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_sas_port_start [2022-11-03 03:39:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_device_reset [2022-11-03 03:39:09,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_device_reset [2022-11-03 03:39:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 03:39:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_wait_for_pci_err_recovery [2022-11-03 03:39:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_wait_for_pci_err_recovery [2022-11-03 03:39:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_pcie_reset_state [2022-11-03 03:39:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_pcie_reset_state [2022-11-03 03:39:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 03:39:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 03:39:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-03 03:39:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure __ipr_get_free_ipr_cmnd [2022-11-03 03:39:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipr_get_free_ipr_cmnd [2022-11-03 03:39:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_scsi_disk [2022-11-03 03:39:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_scsi_disk [2022-11-03 03:39:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:39:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:39:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:39:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 03:39:09,341 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 03:39:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_update_res_entry [2022-11-03 03:39:09,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_update_res_entry [2022-11-03 03:39:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_mode_sense_failed [2022-11-03 03:39:09,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_mode_sense_failed [2022-11-03 03:39:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-03 03:39:09,341 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-03 03:39:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_ata_phy_reset [2022-11-03 03:39:09,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_ata_phy_reset [2022-11-03 03:39:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 03:39:09,343 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 03:39:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_free_cmd_blks [2022-11-03 03:39:09,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_free_cmd_blks [2022-11-03 03:39:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_update_ata_class [2022-11-03 03:39:09,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_update_ata_class [2022-11-03 03:39:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 03:39:09,344 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 03:39:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_wait_iodbg_ack [2022-11-03 03:39:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_wait_iodbg_ack [2022-11-03 03:39:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-03 03:39:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-03 03:39:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:39:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 03:39:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 03:39:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_init_ioadl [2022-11-03 03:39:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_init_ioadl [2022-11-03 03:39:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_dump_ioasa [2022-11-03 03:39:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_dump_ioasa [2022-11-03 03:39:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 03:39:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 03:39:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-03 03:39:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-03 03:39:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_scsi_done [2022-11-03 03:39:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_scsi_done [2022-11-03 03:39:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-03 03:39:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-03 03:39:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:39:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-11-03 03:39:09,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-11-03 03:39:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:39:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_init [2022-11-03 03:39:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_init [2022-11-03 03:39:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure __ipr_remove [2022-11-03 03:39:09,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipr_remove [2022-11-03 03:39:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-11-03 03:39:09,354 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-11-03 03:39:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_eh_dev_reset [2022-11-03 03:39:09,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_eh_dev_reset [2022-11-03 03:39:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:39:09,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:39:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_eh_abort [2022-11-03 03:39:09,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_eh_abort [2022-11-03 03:39:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-03 03:39:09,355 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-03 03:39:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-03 03:39:09,355 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-03 03:39:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 03:39:09,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 03:39:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2022-11-03 03:39:09,356 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2022-11-03 03:39:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-03 03:39:09,356 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-03 03:39:09,356 INFO L130 BoogieDeclarations]: Found specification of procedure __ipr_format_res_path [2022-11-03 03:39:09,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __ipr_format_res_path [2022-11-03 03:39:09,357 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_set_pcix_cmd_reg [2022-11-03 03:39:09,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_set_pcix_cmd_reg [2022-11-03 03:39:09,357 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_sdt_is_fmt2 [2022-11-03 03:39:09,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_sdt_is_fmt2 [2022-11-03 03:39:09,357 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 03:39:09,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 03:39:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 03:39:09,358 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 03:39:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_free_mem [2022-11-03 03:39:09,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_free_mem [2022-11-03 03:39:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 03:39:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 03:39:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_device [2022-11-03 03:39:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_device [2022-11-03 03:39:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure ata_noop_qc_prep [2022-11-03 03:39:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_noop_qc_prep [2022-11-03 03:39:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-03 03:39:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-03 03:39:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-03 03:39:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-03 03:39:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 03:39:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 03:39:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:39:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-03 03:39:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-03 03:39:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-03 03:39:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_init_ipr_cmnd [2022-11-03 03:39:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_init_ipr_cmnd [2022-11-03 03:39:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_8 [2022-11-03 03:39:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_8 [2022-11-03 03:39:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reinit_ipr_cmnd_for_erp [2022-11-03 03:39:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reinit_ipr_cmnd_for_erp [2022-11-03 03:39:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_slave_alloc [2022-11-03 03:39:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_slave_alloc [2022-11-03 03:39:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:39:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_initiate_ioa_bringdown [2022-11-03 03:39:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_initiate_ioa_bringdown [2022-11-03 03:39:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_send_hcam [2022-11-03 03:39:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_send_hcam [2022-11-03 03:39:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_8 [2022-11-03 03:39:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_8 [2022-11-03 03:39:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:39:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:39:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:39:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:39:09,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:39:09,364 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-03 03:39:09,365 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-03 03:39:09,365 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-03 03:39:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-03 03:39:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:39:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:39:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure strim [2022-11-03 03:39:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure strim [2022-11-03 03:39:09,366 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_af_dasd_device [2022-11-03 03:39:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_af_dasd_device [2022-11-03 03:39:09,367 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_qc_defer [2022-11-03 03:39:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_qc_defer [2022-11-03 03:39:09,367 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_log_hex_data [2022-11-03 03:39:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_log_hex_data [2022-11-03 03:39:09,367 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_restore_cfg_space [2022-11-03 03:39:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_restore_cfg_space [2022-11-03 03:39:09,367 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 03:39:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 03:39:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_slave_configure [2022-11-03 03:39:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_slave_configure [2022-11-03 03:39:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 03:39:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 03:39:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_target_destroy [2022-11-03 03:39:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_target_destroy [2022-11-03 03:39:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_do_req [2022-11-03 03:39:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_do_req [2022-11-03 03:39:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_erp_request_sense [2022-11-03 03:39:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_erp_request_sense [2022-11-03 03:39:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_get_hrrq_index [2022-11-03 03:39:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_get_hrrq_index [2022-11-03 03:39:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_handle_log_data [2022-11-03 03:39:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_handle_log_data [2022-11-03 03:39:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_timer_done [2022-11-03 03:39:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_timer_done [2022-11-03 03:39:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-03 03:39:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-03 03:39:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 03:39:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 03:39:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 03:39:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 03:39:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-03 03:39:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-03 03:39:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_target_alloc [2022-11-03 03:39:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_target_alloc [2022-11-03 03:39:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-03 03:39:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-03 03:39:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:39:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:39:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-03 03:39:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-03 03:39:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_trc_hook [2022-11-03 03:39:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_trc_hook [2022-11-03 03:39:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 03:39:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 03:39:09,374 INFO L130 BoogieDeclarations]: Found specification of procedure strip_and_pad_whitespace [2022-11-03 03:39:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure strip_and_pad_whitespace [2022-11-03 03:39:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 03:39:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 03:39:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 03:39:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 03:39:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-03 03:39:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-03 03:39:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:39:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:39:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:39:09,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:39:09,384 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2022-11-03 03:39:09,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2022-11-03 03:39:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 03:39:09,385 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 03:39:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_bus_reset_done [2022-11-03 03:39:09,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_bus_reset_done [2022-11-03 03:39:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-11-03 03:39:09,385 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-11-03 03:39:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_erp_start [2022-11-03 03:39:09,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_erp_start [2022-11-03 03:39:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_queuecommand [2022-11-03 03:39:09,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_queuecommand [2022-11-03 03:39:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2022-11-03 03:39:09,386 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2022-11-03 03:39:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_cfg_access_unlock [2022-11-03 03:39:09,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_cfg_access_unlock [2022-11-03 03:39:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 03:39:09,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 03:39:09,387 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_scsi_eh_done [2022-11-03 03:39:09,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_scsi_eh_done [2022-11-03 03:39:09,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_13 [2022-11-03 03:39:09,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_13 [2022-11-03 03:39:09,387 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_worker_thread [2022-11-03 03:39:09,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_worker_thread [2022-11-03 03:39:09,388 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_vset_device [2022-11-03 03:39:09,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_vset_device [2022-11-03 03:39:09,388 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_find_starget [2022-11-03 03:39:09,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_find_starget [2022-11-03 03:39:09,388 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_fail_all_ops [2022-11-03 03:39:09,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_fail_all_ops [2022-11-03 03:39:09,388 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_log_ext_vpd [2022-11-03 03:39:09,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_log_ext_vpd [2022-11-03 03:39:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:39:09,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:39:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-03 03:39:09,389 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-03 03:39:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_log_vpd_compact [2022-11-03 03:39:09,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_log_vpd_compact [2022-11-03 03:39:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 03:39:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 03:39:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:39:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:39:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_cancel_hcam_done [2022-11-03 03:39:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_cancel_hcam_done [2022-11-03 03:39:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2022-11-03 03:39:09,390 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2022-11-03 03:39:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-03 03:39:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-03 03:39:09,391 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_start_timer [2022-11-03 03:39:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_start_timer [2022-11-03 03:39:09,391 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-03 03:39:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-03 03:39:09,391 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_isr [2022-11-03 03:39:09,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_isr [2022-11-03 03:39:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_53 [2022-11-03 03:39:09,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_53 [2022-11-03 03:39:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:39:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 03:39:09,392 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 03:39:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_erp_done [2022-11-03 03:39:09,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_erp_done [2022-11-03 03:39:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 03:39:09,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 03:39:09,393 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_enable [2022-11-03 03:39:09,393 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_enable [2022-11-03 03:39:09,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:39:09,393 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_7 [2022-11-03 03:39:09,393 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_7 [2022-11-03 03:39:09,393 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-03 03:39:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-03 03:39:09,394 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_get_unit_check_buffer [2022-11-03 03:39:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_get_unit_check_buffer [2022-11-03 03:39:09,394 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2022-11-03 03:39:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_map [2022-11-03 03:39:09,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 03:39:09,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 03:39:09,394 INFO L130 BoogieDeclarations]: Found specification of procedure ata_qc_complete [2022-11-03 03:39:09,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_qc_complete [2022-11-03 03:39:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_format_res_path [2022-11-03 03:39:09,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_format_res_path [2022-11-03 03:39:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_reset_work [2022-11-03 03:39:09,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_reset_work [2022-11-03 03:39:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_disable [2022-11-03 03:39:09,395 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_disable [2022-11-03 03:39:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-03 03:39:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-03 03:39:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_wait_for_ops [2022-11-03 03:39:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_wait_for_ops [2022-11-03 03:39:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure ata_sas_port_stop [2022-11-03 03:39:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_sas_port_stop [2022-11-03 03:39:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:39:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_erp_cancel_all [2022-11-03 03:39:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_erp_cancel_all [2022-11-03 03:39:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_work_52 [2022-11-03 03:39:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_work_52 [2022-11-03 03:39:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-03 03:39:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-03 03:39:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_41 [2022-11-03 03:39:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_41 [2022-11-03 03:39:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:39:09,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:39:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2022-11-03 03:39:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2022-11-03 03:39:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-03 03:39:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-03 03:39:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 03:39:09,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 03:39:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_naca_model [2022-11-03 03:39:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_naca_model [2022-11-03 03:39:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 03:39:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 03:39:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_get_error [2022-11-03 03:39:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_get_error [2022-11-03 03:39:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-03 03:39:09,399 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-03 03:39:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_test_intr [2022-11-03 03:39:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_test_intr [2022-11-03 03:39:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-03 03:39:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-03 03:39:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2022-11-03 03:39:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __printk_ratelimit [2022-11-03 03:39:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-11-03 03:39:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-11-03 03:39:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_build_mode_sense [2022-11-03 03:39:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_build_mode_sense [2022-11-03 03:39:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-03 03:39:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-03 03:39:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_gscsi [2022-11-03 03:39:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_gscsi [2022-11-03 03:39:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_remove [2022-11-03 03:39:09,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_remove [2022-11-03 03:39:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 03:39:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 03:39:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_probe [2022-11-03 03:39:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_probe [2022-11-03 03:39:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2022-11-03 03:39:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2022-11-03 03:39:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-03 03:39:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-03 03:39:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 03:39:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 03:39:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-03 03:39:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-03 03:39:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_process_hrrq [2022-11-03 03:39:09,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_process_hrrq [2022-11-03 03:39:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2022-11-03 03:39:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2022-11-03 03:39:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_isr_eh [2022-11-03 03:39:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_isr_eh [2022-11-03 03:39:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_ioafp_inquiry [2022-11-03 03:39:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_ioafp_inquiry [2022-11-03 03:39:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:39:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:39:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_initiate_ioa_reset [2022-11-03 03:39:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_initiate_ioa_reset [2022-11-03 03:39:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_mask_and_clear_interrupts [2022-11-03 03:39:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_mask_and_clear_interrupts [2022-11-03 03:39:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_slave_destroy [2022-11-03 03:39:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_slave_destroy [2022-11-03 03:39:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-03 03:39:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-03 03:39:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:39:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-11-03 03:39:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-11-03 03:39:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-11-03 03:39:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-11-03 03:39:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_free_irqs [2022-11-03 03:39:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_free_irqs [2022-11-03 03:39:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-03 03:39:09,411 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-03 03:39:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:39:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:39:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 03:39:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 03:39:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2022-11-03 03:39:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2022-11-03 03:39:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-03 03:39:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-03 03:39:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 03:39:09,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 03:39:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_qc_issue [2022-11-03 03:39:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_qc_issue [2022-11-03 03:39:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_5 [2022-11-03 03:39:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_5 [2022-11-03 03:39:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_4 [2022-11-03 03:39:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_4 [2022-11-03 03:39:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_build_mode_select [2022-11-03 03:39:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_build_mode_select [2022-11-03 03:39:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 03:39:09,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 03:39:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_send_command [2022-11-03 03:39:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_send_command [2022-11-03 03:39:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-11-03 03:39:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-11-03 03:39:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-03 03:39:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-03 03:39:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_probe_ioa_part2 [2022-11-03 03:39:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_probe_ioa_part2 [2022-11-03 03:39:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-11-03 03:39:09,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-11-03 03:39:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-03 03:39:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-03 03:39:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-11-03 03:39:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-11-03 03:39:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-03 03:39:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-03 03:39:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_send_blocking_cmd [2022-11-03 03:39:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_send_blocking_cmd [2022-11-03 03:39:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_is_gata [2022-11-03 03:39:09,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_is_gata [2022-11-03 03:39:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_init_dump_entry_hdr [2022-11-03 03:39:09,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_init_dump_entry_hdr [2022-11-03 03:39:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_7 [2022-11-03 03:39:09,416 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_7 [2022-11-03 03:39:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 03:39:09,416 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 03:39:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-03 03:39:09,416 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-03 03:39:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure ac_err_mask [2022-11-03 03:39:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ac_err_mask [2022-11-03 03:39:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_eh_host_reset [2022-11-03 03:39:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_eh_host_reset [2022-11-03 03:39:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_cmd_failed [2022-11-03 03:39:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_cmd_failed [2022-11-03 03:39:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_lock_and_done [2022-11-03 03:39:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_lock_and_done [2022-11-03 03:39:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_process_error [2022-11-03 03:39:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_process_error [2022-11-03 03:39:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 03:39:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 03:39:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:39:09,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:39:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 03:39:09,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 03:39:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-03 03:39:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-03 03:39:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_unit_check_no_data [2022-11-03 03:39:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_unit_check_no_data [2022-11-03 03:39:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 03:39:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 03:39:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_reset_ioa_job [2022-11-03 03:39:09,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_reset_ioa_job [2022-11-03 03:39:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_timeout [2022-11-03 03:39:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_timeout [2022-11-03 03:39:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:39:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-03 03:39:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-03 03:39:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2022-11-03 03:39:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2022-11-03 03:39:09,423 INFO L130 BoogieDeclarations]: Found specification of procedure ipr_oper_timeout [2022-11-03 03:39:09,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ipr_oper_timeout [2022-11-03 03:39:11,413 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:39:11,417 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:39:11,825 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:39:40,289 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:39:45,847 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:39:45,847 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:39:45,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:39:45 BoogieIcfgContainer [2022-11-03 03:39:45,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:39:45,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:39:45,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:39:45,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:39:45,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:38:58" (1/3) ... [2022-11-03 03:39:45,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129ee5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:39:45, skipping insertion in model container [2022-11-03 03:39:45,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:39:07" (2/3) ... [2022-11-03 03:39:45,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129ee5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:39:45, skipping insertion in model container [2022-11-03 03:39:45,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:39:45" (3/3) ... [2022-11-03 03:39:45,870 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ipr.ko-entry_point.cil.out.i [2022-11-03 03:39:45,896 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:39:45,896 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:39:46,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:39:46,025 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;@17e5cc2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:39:46,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:39:46,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 4956 states, 3071 states have (on average 1.3360468902637577) internal successors, (4103), 3233 states have internal predecessors, (4103), 1644 states have call successors, (1644), 240 states have call predecessors, (1644), 239 states have return successors, (1610), 1571 states have call predecessors, (1610), 1610 states have call successors, (1610) [2022-11-03 03:39:46,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2022-11-03 03:39:46,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:46,094 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 20, 20, 20, 20, 20, 20, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:46,096 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:39:46,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:46,103 INFO L85 PathProgramCache]: Analyzing trace with hash 495251899, now seen corresponding path program 1 times [2022-11-03 03:39:46,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:39:46,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6155019] [2022-11-03 03:39:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:46,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:39:47,483 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:39:47,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [709992477] [2022-11-03 03:39:47,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:47,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:39:47,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:39:47,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:39:47,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:39:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:52,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 15262 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 03:39:52,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:39:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 12612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12612 trivial. 0 not checked. [2022-11-03 03:39:52,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:39:52,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:39:52,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6155019] [2022-11-03 03:39:52,192 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:39:52,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709992477] [2022-11-03 03:39:52,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709992477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:52,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:52,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:39:52,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891734865] [2022-11-03 03:39:52,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:52,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:39:52,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:39:52,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:39:52,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:39:52,246 INFO L87 Difference]: Start difference. First operand has 4956 states, 3071 states have (on average 1.3360468902637577) internal successors, (4103), 3233 states have internal predecessors, (4103), 1644 states have call successors, (1644), 240 states have call predecessors, (1644), 239 states have return successors, (1610), 1571 states have call predecessors, (1610), 1610 states have call successors, (1610) Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-03 03:39:54,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:58,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:02,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:04,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:06,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:09,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:12,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:14,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:17,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:20,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:22,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:23,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:23,849 INFO L93 Difference]: Finished difference Result 14021 states and 21110 transitions. [2022-11-03 03:40:23,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:40:23,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 790 [2022-11-03 03:40:23,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:23,952 INFO L225 Difference]: With dead ends: 14021 [2022-11-03 03:40:23,952 INFO L226 Difference]: Without dead ends: 9124 [2022-11-03 03:40:23,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 789 GetRequests, 788 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:40:24,001 INFO L413 NwaCegarLoop]: 8121 mSDtfsCounter, 6277 mSDsluCounter, 7339 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6284 SdHoareTripleChecker+Valid, 14762 SdHoareTripleChecker+Invalid, 1443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:24,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6284 Valid, 14762 Invalid, 1443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1435 Invalid, 7 Unknown, 0 Unchecked, 30.7s Time] [2022-11-03 03:40:24,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9124 states. [2022-11-03 03:40:24,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9124 to 9115. [2022-11-03 03:40:24,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9115 states, 5708 states have (on average 1.3265592151366503) internal successors, (7572), 5941 states have internal predecessors, (7572), 2950 states have call successors, (2950), 458 states have call predecessors, (2950), 456 states have return successors, (2953), 2870 states have call predecessors, (2953), 2948 states have call successors, (2953) [2022-11-03 03:40:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9115 states to 9115 states and 13475 transitions. [2022-11-03 03:40:25,004 INFO L78 Accepts]: Start accepts. Automaton has 9115 states and 13475 transitions. Word has length 790 [2022-11-03 03:40:25,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:25,013 INFO L495 AbstractCegarLoop]: Abstraction has 9115 states and 13475 transitions. [2022-11-03 03:40:25,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-03 03:40:25,015 INFO L276 IsEmpty]: Start isEmpty. Operand 9115 states and 13475 transitions. [2022-11-03 03:40:25,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2022-11-03 03:40:25,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:25,064 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:25,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:40:25,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:40:25,281 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:40:25,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:25,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1421947857, now seen corresponding path program 1 times [2022-11-03 03:40:25,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:40:25,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191290664] [2022-11-03 03:40:25,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:25,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:40:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 12610 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12610 trivial. 0 not checked. [2022-11-03 03:40:28,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:40:28,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191290664] [2022-11-03 03:40:28,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191290664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:28,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:28,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:40:28,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545396909] [2022-11-03 03:40:28,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:28,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:40:28,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:40:28,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:40:28,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:40:28,062 INFO L87 Difference]: Start difference. First operand 9115 states and 13475 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2022-11-03 03:40:30,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:31,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:33,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:36,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:38,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:43,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:45,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:49,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:51,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:53,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:57,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:59,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:59,284 INFO L93 Difference]: Finished difference Result 26494 states and 39135 transitions. [2022-11-03 03:40:59,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:40:59,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 807 [2022-11-03 03:40:59,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:59,416 INFO L225 Difference]: With dead ends: 26494 [2022-11-03 03:40:59,416 INFO L226 Difference]: Without dead ends: 17522 [2022-11-03 03:40:59,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:40:59,471 INFO L413 NwaCegarLoop]: 8088 mSDtfsCounter, 6311 mSDsluCounter, 7246 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6318 SdHoareTripleChecker+Valid, 14637 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:59,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6318 Valid, 14637 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1426 Invalid, 7 Unknown, 0 Unchecked, 30.6s Time] [2022-11-03 03:40:59,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17522 states. [2022-11-03 03:41:00,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17522 to 17518. [2022-11-03 03:41:00,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17518 states, 10989 states have (on average 1.3283283283283283) internal successors, (14597), 11440 states have internal predecessors, (14597), 5628 states have call successors, (5628), 904 states have call predecessors, (5628), 900 states have return successors, (5642), 5472 states have call predecessors, (5642), 5626 states have call successors, (5642) [2022-11-03 03:41:00,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17518 states to 17518 states and 25867 transitions. [2022-11-03 03:41:00,679 INFO L78 Accepts]: Start accepts. Automaton has 17518 states and 25867 transitions. Word has length 807 [2022-11-03 03:41:00,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:00,682 INFO L495 AbstractCegarLoop]: Abstraction has 17518 states and 25867 transitions. [2022-11-03 03:41:00,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (76), 2 states have call predecessors, (76), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2022-11-03 03:41:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 17518 states and 25867 transitions. [2022-11-03 03:41:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2022-11-03 03:41:00,716 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:00,717 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 20, 20, 20, 20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:00,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:41:00,717 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:00,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:00,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1872711567, now seen corresponding path program 1 times [2022-11-03 03:41:00,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:41:00,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935409423] [2022-11-03 03:41:00,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:00,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:41:01,719 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:41:01,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433895061] [2022-11-03 03:41:01,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:01,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:41:01,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:41:01,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:41:01,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:41:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:06,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 15394 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 03:41:06,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 12615 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12612 trivial. 0 not checked. [2022-11-03 03:41:06,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:41:06,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:41:06,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935409423] [2022-11-03 03:41:06,149 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:41:06,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433895061] [2022-11-03 03:41:06,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433895061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:06,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:06,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:41:06,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449749984] [2022-11-03 03:41:06,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:06,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:41:06,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:41:06,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:41:06,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:41:06,152 INFO L87 Difference]: Start difference. First operand 17518 states and 25867 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2022-11-03 03:41:08,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:12,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:16,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:17,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:20,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:24,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:28,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:31,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:34,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:34,030 INFO L93 Difference]: Finished difference Result 51235 states and 76671 transitions. [2022-11-03 03:41:34,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:41:34,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) Word has length 820 [2022-11-03 03:41:34,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:34,425 INFO L225 Difference]: With dead ends: 51235 [2022-11-03 03:41:34,425 INFO L226 Difference]: Without dead ends: 33860 [2022-11-03 03:41:34,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 818 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:41:34,503 INFO L413 NwaCegarLoop]: 9067 mSDtfsCounter, 6570 mSDsluCounter, 7341 mSDsCounter, 0 mSdLazyCounter, 1582 mSolverCounterSat, 20 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6570 SdHoareTripleChecker+Valid, 15717 SdHoareTripleChecker+Invalid, 1608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1582 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:34,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6570 Valid, 15717 Invalid, 1608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1582 Invalid, 6 Unknown, 0 Unchecked, 26.9s Time] [2022-11-03 03:41:34,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33860 states. [2022-11-03 03:41:36,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33860 to 33758. [2022-11-03 03:41:36,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33758 states, 21246 states have (on average 1.3298032570836864) internal successors, (28253), 22110 states have internal predecessors, (28253), 10748 states have call successors, (10748), 1770 states have call predecessors, (10748), 1763 states have return successors, (11844), 10449 states have call predecessors, (11844), 10746 states have call successors, (11844) [2022-11-03 03:41:36,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33758 states to 33758 states and 50845 transitions. [2022-11-03 03:41:36,653 INFO L78 Accepts]: Start accepts. Automaton has 33758 states and 50845 transitions. Word has length 820 [2022-11-03 03:41:36,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:36,655 INFO L495 AbstractCegarLoop]: Abstraction has 33758 states and 50845 transitions. [2022-11-03 03:41:36,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2022-11-03 03:41:36,655 INFO L276 IsEmpty]: Start isEmpty. Operand 33758 states and 50845 transitions. [2022-11-03 03:41:36,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 905 [2022-11-03 03:41:36,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:36,700 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 20, 20, 20, 20, 20, 20, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:36,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-03 03:41:36,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18313068-e483-49f3-9ae6-e3246d3b4f1d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-03 03:41:36,917 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:36,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:36,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1160205951, now seen corresponding path program 1 times [2022-11-03 03:41:36,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:41:36,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444033307] [2022-11-03 03:41:36,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:36,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:41:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:39,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12657 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12654 trivial. 0 not checked. [2022-11-03 03:41:39,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:41:39,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444033307] [2022-11-03 03:41:39,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444033307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:39,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:39,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:41:39,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102396737] [2022-11-03 03:41:39,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:39,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:41:39,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:41:39,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:41:39,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:41:39,735 INFO L87 Difference]: Start difference. First operand 33758 states and 50845 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (98), 3 states have call predecessors, (98), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) [2022-11-03 03:41:41,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:44,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:47,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:49,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:51,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:56,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:58,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:01,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:04,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:06,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:08,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:08,172 INFO L93 Difference]: Finished difference Result 55972 states and 86866 transitions. [2022-11-03 03:42:08,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:42:08,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (98), 3 states have call predecessors, (98), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) Word has length 904 [2022-11-03 03:42:08,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:08,506 INFO L225 Difference]: With dead ends: 55972 [2022-11-03 03:42:08,506 INFO L226 Difference]: Without dead ends: 55968 [2022-11-03 03:42:08,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:42:08,540 INFO L413 NwaCegarLoop]: 9132 mSDtfsCounter, 5845 mSDsluCounter, 6138 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5845 SdHoareTripleChecker+Valid, 14691 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:08,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5845 Valid, 14691 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1464 Invalid, 6 Unknown, 0 Unchecked, 27.2s Time] [2022-11-03 03:42:08,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55968 states. [2022-11-03 03:42:11,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55968 to 54122. [2022-11-03 03:42:11,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54122 states, 34687 states have (on average 1.346873468446392) internal successors, (46719), 35985 states have internal predecessors, (46719), 16409 states have call successors, (16409), 3045 states have call predecessors, (16409), 3025 states have return successors, (20425), 15811 states have call predecessors, (20425), 16407 states have call successors, (20425) [2022-11-03 03:42:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54122 states to 54122 states and 83553 transitions. [2022-11-03 03:42:12,221 INFO L78 Accepts]: Start accepts. Automaton has 54122 states and 83553 transitions. Word has length 904 [2022-11-03 03:42:12,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:12,223 INFO L495 AbstractCegarLoop]: Abstraction has 54122 states and 83553 transitions. [2022-11-03 03:42:12,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (98), 3 states have call predecessors, (98), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) [2022-11-03 03:42:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 54122 states and 83553 transitions. [2022-11-03 03:42:12,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 959 [2022-11-03 03:42:12,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:12,576 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 21, 21, 20, 20, 20, 20, 5, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:12,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:42:12,577 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:42:12,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:12,577 INFO L85 PathProgramCache]: Analyzing trace with hash 634510799, now seen corresponding path program 1 times [2022-11-03 03:42:12,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:12,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652293815] [2022-11-03 03:42:12,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:12,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12716 trivial. 0 not checked. [2022-11-03 03:42:15,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:15,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652293815] [2022-11-03 03:42:15,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652293815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:15,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:15,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:42:15,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234379500] [2022-11-03 03:42:15,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:15,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:42:15,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:15,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:42:15,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:42:15,183 INFO L87 Difference]: Start difference. First operand 54122 states and 83553 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (106), 2 states have call predecessors, (106), 1 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) [2022-11-03 03:42:17,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:20,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:23,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:25,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:28,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:30,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:32,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:34,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:36,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:39,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:43,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:46,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:48,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:48,903 INFO L93 Difference]: Finished difference Result 160847 states and 248384 transitions. [2022-11-03 03:42:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:42:48,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (106), 2 states have call predecessors, (106), 1 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) Word has length 958 [2022-11-03 03:42:48,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:49,914 INFO L225 Difference]: With dead ends: 160847 [2022-11-03 03:42:49,915 INFO L226 Difference]: Without dead ends: 106868 [2022-11-03 03:42:50,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:42:50,315 INFO L413 NwaCegarLoop]: 8207 mSDtfsCounter, 6401 mSDsluCounter, 7247 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6406 SdHoareTripleChecker+Valid, 14759 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:50,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6406 Valid, 14759 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1439 Invalid, 7 Unknown, 0 Unchecked, 30.3s Time] [2022-11-03 03:42:50,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106868 states. [2022-11-03 03:42:55,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106868 to 106832. [2022-11-03 03:42:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106832 states, 68513 states have (on average 1.3473793294703196) internal successors, (92313), 71093 states have internal predecessors, (92313), 32325 states have call successors, (32325), 6033 states have call predecessors, (32325), 5993 states have return successors, (40351), 31117 states have call predecessors, (40351), 32323 states have call successors, (40351) [2022-11-03 03:42:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106832 states to 106832 states and 164989 transitions. [2022-11-03 03:42:56,847 INFO L78 Accepts]: Start accepts. Automaton has 106832 states and 164989 transitions. Word has length 958 [2022-11-03 03:42:56,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:56,849 INFO L495 AbstractCegarLoop]: Abstraction has 106832 states and 164989 transitions. [2022-11-03 03:42:56,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (106), 2 states have call predecessors, (106), 1 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) [2022-11-03 03:42:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 106832 states and 164989 transitions. [2022-11-03 03:42:56,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 936 [2022-11-03 03:42:56,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:56,957 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 21, 21, 20, 20, 20, 20, 5, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:56,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:42:56,957 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:42:56,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:56,958 INFO L85 PathProgramCache]: Analyzing trace with hash 745846752, now seen corresponding path program 1 times [2022-11-03 03:42:56,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:56,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268227722] [2022-11-03 03:42:56,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:56,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:59,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12716 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12716 trivial. 0 not checked. [2022-11-03 03:42:59,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:59,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268227722] [2022-11-03 03:42:59,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268227722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:59,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:59,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:42:59,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107465319] [2022-11-03 03:42:59,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:59,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:42:59,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:59,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:42:59,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:42:59,521 INFO L87 Difference]: Start difference. First operand 106832 states and 164989 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 2 states have call successors, (102), 2 states have call predecessors, (102), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) [2022-11-03 03:43:01,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:02,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:05,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:07,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:10,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:15,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:17,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:20,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:25,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:28,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:30,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:37,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:43:37,798 INFO L93 Difference]: Finished difference Result 315877 states and 487470 transitions. [2022-11-03 03:43:37,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:43:37,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 2 states have call successors, (102), 2 states have call predecessors, (102), 1 states have return successors, (97), 2 states have call predecessors, (97), 2 states have call successors, (97) Word has length 935 [2022-11-03 03:43:37,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:43:39,276 INFO L225 Difference]: With dead ends: 315877 [2022-11-03 03:43:39,276 INFO L226 Difference]: Without dead ends: 209188 [2022-11-03 03:43:39,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:43:39,655 INFO L413 NwaCegarLoop]: 9242 mSDtfsCounter, 6180 mSDsluCounter, 7245 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6186 SdHoareTripleChecker+Valid, 15790 SdHoareTripleChecker+Invalid, 1597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:43:39,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6186 Valid, 15790 Invalid, 1597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1590 Invalid, 6 Unknown, 0 Unchecked, 31.5s Time] [2022-11-03 03:43:40,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209188 states.