./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--usb--isp1760--isp1760.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:30:26,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:30:26,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:30:26,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:30:26,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:30:26,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:30:26,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:30:26,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:30:26,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:30:26,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:30:26,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:30:26,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:30:26,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:30:26,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:30:26,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:30:26,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:30:26,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:30:26,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:30:26,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:30:26,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:30:26,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:30:26,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:30:26,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:30:26,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:30:26,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:30:26,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:30:26,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:30:26,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:30:26,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:30:26,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:30:26,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:30:26,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:30:26,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:30:26,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:30:26,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:30:26,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:30:26,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:30:26,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:30:26,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:30:26,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:30:26,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:30:26,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:30:26,245 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:30:26,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:30:26,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:30:26,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:30:26,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:30:26,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:30:26,247 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:30:26,248 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:30:26,248 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:30:26,248 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:30:26,248 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:30:26,248 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:30:26,249 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:30:26,249 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:30:26,249 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:30:26,249 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:30:26,250 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:30:26,250 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:30:26,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:30:26,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:30:26,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:30:26,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:30:26,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:30:26,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:30:26,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:30:26,252 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:30:26,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:30:26,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:30:26,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:30:26,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:30:26,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:30:26,253 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:30:26,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:30:26,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:30:26,254 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:30:26,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:30:26,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:30:26,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:30:26,255 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_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 [2022-11-19 07:30:26,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:30:26,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:30:26,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:30:26,502 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:30:26,503 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:30:26,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-11-19 07:30:26,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/data/5100cfdfc/b1296c96e13f4f62b71da9e9c4decea7/FLAG19315cec5 [2022-11-19 07:30:27,547 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:30:27,548 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-11-19 07:30:27,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/data/5100cfdfc/b1296c96e13f4f62b71da9e9c4decea7/FLAG19315cec5 [2022-11-19 07:30:27,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/data/5100cfdfc/b1296c96e13f4f62b71da9e9c4decea7 [2022-11-19 07:30:27,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:30:27,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:30:27,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:30:27,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:30:27,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:30:27,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4315ed5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:27, skipping insertion in model container [2022-11-19 07:30:27,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:30:27" (1/1) ... [2022-11-19 07:30:27,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:30:28,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:30:30,880 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i[331365,331378] [2022-11-19 07:30:30,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:30:30,982 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:30:31,589 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i[331365,331378] [2022-11-19 07:30:31,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:30:31,723 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:30:31,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:31 WrapperNode [2022-11-19 07:30:31,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:30:31,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:30:31,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:30:31,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:30:31,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:31" (1/1) ... [2022-11-19 07:30:31,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:31" (1/1) ... [2022-11-19 07:30:32,146 INFO L138 Inliner]: procedures = 335, calls = 3953, calls flagged for inlining = 146, calls inlined = 126, statements flattened = 7812 [2022-11-19 07:30:32,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:30:32,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:30:32,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:30:32,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:30:32,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:31" (1/1) ... [2022-11-19 07:30:32,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:31" (1/1) ... [2022-11-19 07:30:32,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:31" (1/1) ... [2022-11-19 07:30:32,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:31" (1/1) ... [2022-11-19 07:30:32,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:31" (1/1) ... [2022-11-19 07:30:32,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:31" (1/1) ... [2022-11-19 07:30:32,512 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:31" (1/1) ... [2022-11-19 07:30:32,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:31" (1/1) ... [2022-11-19 07:30:32,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:30:32,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:30:32,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:30:32,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:30:32,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:31" (1/1) ... [2022-11-19 07:30:32,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:30:32,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:30:32,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:30:32,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:30:32,700 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2022-11-19 07:30:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2022-11-19 07:30:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure bank_reads8 [2022-11-19 07:30:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure bank_reads8 [2022-11-19 07:30:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_probe [2022-11-19 07:30:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_probe [2022-11-19 07:30:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure ep_to_udc_ep [2022-11-19 07:30:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_to_udc_ep [2022-11-19 07:30:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:30:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:30:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:30:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-11-19 07:30:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-11-19 07:30:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:30:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:30:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hcd_unregister [2022-11-19 07:30:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hcd_unregister [2022-11-19 07:30:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_register [2022-11-19 07:30:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_register [2022-11-19 07:30:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_get_frame [2022-11-19 07:30:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_get_frame [2022-11-19 07:30:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 07:30:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 07:30:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_status_data [2022-11-19 07:30:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_status_data [2022-11-19 07:30:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:30:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:30:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-19 07:30:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-19 07:30:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hub_control [2022-11-19 07:30:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hub_control [2022-11-19 07:30:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-19 07:30:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-19 07:30:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure mem_writes8 [2022-11-19 07:30:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mem_writes8 [2022-11-19 07:30:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-11-19 07:30:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-11-19 07:30:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:30:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:30:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-19 07:30:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-19 07:30:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:30:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:30:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_enqueue [2022-11-19 07:30:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_enqueue [2022-11-19 07:30:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_transmit [2022-11-19 07:30:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_transmit [2022-11-19 07:30:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_endpoint_disable [2022-11-19 07:30:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_endpoint_disable [2022-11-19 07:30:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:30:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:30:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:30:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:30:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-19 07:30:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-19 07:30:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-11-19 07:30:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-11-19 07:30:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_unregister [2022-11-19 07:30:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_unregister [2022-11-19 07:30:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_bool [2022-11-19 07:30:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_bool [2022-11-19 07:30:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_atl [2022-11-19 07:30:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_atl [2022-11-19 07:30:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:30:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:30:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure last_qtd_of_urb [2022-11-19 07:30:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure last_qtd_of_urb [2022-11-19 07:30:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_shutdown [2022-11-19 07:30:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_shutdown [2022-11-19 07:30:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_set_wedge [2022-11-19 07:30:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_set_wedge [2022-11-19 07:30:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_last [2022-11-19 07:30:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_last [2022-11-19 07:30:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:30:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-11-19 07:30:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-11-19 07:30:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:30:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:30:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_clear_tt_buffer_complete [2022-11-19 07:30:32,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_clear_tt_buffer_complete [2022-11-19 07:30:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_probe [2022-11-19 07:30:32,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_probe [2022-11-19 07:30:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-11-19 07:30:32,786 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-11-19 07:30:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:30:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-19 07:30:32,786 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-19 07:30:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_stop [2022-11-19 07:30:32,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_stop [2022-11-19 07:30:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_ep_set_halt [2022-11-19 07:30:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_ep_set_halt [2022-11-19 07:30:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-11-19 07:30:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-11-19 07:30:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure isp1761_pci_remove [2022-11-19 07:30:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1761_pci_remove [2022-11-19 07:30:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 07:30:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 07:30:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:30:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:30:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:30:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:30:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure __ffs [2022-11-19 07:30:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __ffs [2022-11-19 07:30:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_urb_dequeue [2022-11-19 07:30:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_urb_dequeue [2022-11-19 07:30:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure handle_done_ptds [2022-11-19 07:30:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_done_ptds [2022-11-19 07:30:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-19 07:30:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-19 07:30:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:30:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 07:30:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 07:30:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:30:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_irq [2022-11-19 07:30:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_irq [2022-11-19 07:30:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_disable [2022-11-19 07:30:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_disable [2022-11-19 07:30:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 07:30:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 07:30:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 07:30:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 07:30:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_set_value_cansleep [2022-11-19 07:30:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_set_value_cansleep [2022-11-19 07:30:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-19 07:30:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_set_halt [2022-11-19 07:30:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_set_halt [2022-11-19 07:30:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 07:30:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 07:30:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_request_complete [2022-11-19 07:30:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_request_complete [2022-11-19 07:30:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-19 07:30:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-19 07:30:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_run [2022-11-19 07:30:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_run [2022-11-19 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_wakeup [2022-11-19 07:30:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_wakeup [2022-11-19 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:30:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:30:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_dequeue [2022-11-19 07:30:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_dequeue [2022-11-19 07:30:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 07:30:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 07:30:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:30:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-19 07:30:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-19 07:30:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-11-19 07:30:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-11-19 07:30:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:30:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_select_ep [2022-11-19 07:30:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_select_ep [2022-11-19 07:30:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_free_request [2022-11-19 07:30:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_free_request [2022-11-19 07:30:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_read [2022-11-19 07:30:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_read [2022-11-19 07:30:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-19 07:30:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-19 07:30:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 07:30:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 07:30:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-19 07:30:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-19 07:30:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:30:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:30:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_hc_setup [2022-11-19 07:30:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_hc_setup [2022-11-19 07:30:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 07:30:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 07:30:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:30:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 07:30:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 07:30:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_init_hw [2022-11-19 07:30:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_init_hw [2022-11-19 07:30:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-19 07:30:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-19 07:30:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure start_bus_transfer [2022-11-19 07:30:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure start_bus_transfer [2022-11-19 07:30:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:30:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:30:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 07:30:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 07:30:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-19 07:30:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-19 07:30:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:30:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_shutdown [2022-11-19 07:30:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_shutdown [2022-11-19 07:30:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_plat_remove [2022-11-19 07:30:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_plat_remove [2022-11-19 07:30:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 07:30:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 07:30:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-19 07:30:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-19 07:30:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure ptd_read [2022-11-19 07:30:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ptd_read [2022-11-19 07:30:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-19 07:30:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-19 07:30:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:30:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure reg_read32 [2022-11-19 07:30:32,822 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_read32 [2022-11-19 07:30:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2022-11-19 07:30:32,822 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2022-11-19 07:30:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:30:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:30:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_free [2022-11-19 07:30:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_free [2022-11-19 07:30:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:30:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_enable [2022-11-19 07:30:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_enable [2022-11-19 07:30:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure is_short_bulk [2022-11-19 07:30:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure is_short_bulk [2022-11-19 07:30:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-11-19 07:30:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-11-19 07:30:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_read32 [2022-11-19 07:30:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_read32 [2022-11-19 07:30:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_write32 [2022-11-19 07:30:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_write32 [2022-11-19 07:30:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_zalloc [2022-11-19 07:30:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_zalloc [2022-11-19 07:30:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure reg_write32 [2022-11-19 07:30:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_write32 [2022-11-19 07:30:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_ctrl_send_status [2022-11-19 07:30:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_ctrl_send_status [2022-11-19 07:30:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_clear_tt_buffer [2022-11-19 07:30:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_clear_tt_buffer [2022-11-19 07:30:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-19 07:30:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-19 07:30:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_stop [2022-11-19 07:30:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_stop [2022-11-19 07:30:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_start [2022-11-19 07:30:32,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_start [2022-11-19 07:30:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 07:30:32,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 07:30:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-19 07:30:32,827 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-19 07:30:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure req_to_udc_req [2022-11-19 07:30:32,828 INFO L138 BoogieDeclarations]: Found implementation of procedure req_to_udc_req [2022-11-19 07:30:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_receive [2022-11-19 07:30:32,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_receive [2022-11-19 07:30:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_set_pullup [2022-11-19 07:30:32,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_set_pullup [2022-11-19 07:30:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-11-19 07:30:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-11-19 07:30:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_priv [2022-11-19 07:30:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_priv [2022-11-19 07:30:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure create_ptd_int [2022-11-19 07:30:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure create_ptd_int [2022-11-19 07:30:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-11-19 07:30:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-11-19 07:30:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_deinit_kmem_cache [2022-11-19 07:30:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_deinit_kmem_cache [2022-11-19 07:30:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_ptds [2022-11-19 07:30:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_ptds [2022-11-19 07:30:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_alloc [2022-11-19 07:30:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_alloc [2022-11-19 07:30:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-11-19 07:30:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-11-19 07:30:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:30:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:30:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 07:30:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 07:30:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-19 07:30:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-19 07:30:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_get_frame [2022-11-19 07:30:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_get_frame [2022-11-19 07:30:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 07:30:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 07:30:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_udc [2022-11-19 07:30:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_udc [2022-11-19 07:30:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure __isp1760_udc_select_ep [2022-11-19 07:30:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __isp1760_udc_select_ep [2022-11-19 07:30:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-19 07:30:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-19 07:30:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 07:30:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 07:30:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 07:30:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 07:30:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:30:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-19 07:30:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-19 07:30:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-19 07:30:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-19 07:30:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_udc_write [2022-11-19 07:30:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_udc_write [2022-11-19 07:30:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:30:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:30:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure isp1760_ep_fifo_flush [2022-11-19 07:30:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isp1760_ep_fifo_flush [2022-11-19 07:30:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 07:30:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 07:30:33,960 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:30:33,965 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:30:34,404 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:34:33,519 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:34:37,421 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:34:37,422 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:34:37,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:37 BoogieIcfgContainer [2022-11-19 07:34:37,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:34:37,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:34:37,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:34:37,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:34:37,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:30:27" (1/3) ... [2022-11-19 07:34:37,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b0b38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:37, skipping insertion in model container [2022-11-19 07:34:37,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:30:31" (2/3) ... [2022-11-19 07:34:37,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b0b38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:37, skipping insertion in model container [2022-11-19 07:34:37,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:37" (3/3) ... [2022-11-19 07:34:37,443 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2022-11-19 07:34:37,464 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:34:37,465 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:34:37,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:34:37,594 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;@7481bd2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:34:37,594 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:34:37,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 1967 states, 1184 states have (on average 1.3488175675675675) internal successors, (1597), 1255 states have internal predecessors, (1597), 646 states have call successors, (646), 136 states have call predecessors, (646), 135 states have return successors, (639), 628 states have call predecessors, (639), 639 states have call successors, (639) [2022-11-19 07:34:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-19 07:34:37,644 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:37,645 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2022-11-19 07:34:37,646 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:34:37,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:37,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1022199914, now seen corresponding path program 1 times [2022-11-19 07:34:37,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:37,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310744778] [2022-11-19 07:34:37,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:37,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-19 07:34:39,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:39,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310744778] [2022-11-19 07:34:39,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310744778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:39,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:39,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:34:39,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231362841] [2022-11-19 07:34:39,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:39,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:34:39,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:39,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:34:39,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:34:39,163 INFO L87 Difference]: Start difference. First operand has 1967 states, 1184 states have (on average 1.3488175675675675) internal successors, (1597), 1255 states have internal predecessors, (1597), 646 states have call successors, (646), 136 states have call predecessors, (646), 135 states have return successors, (639), 628 states have call predecessors, (639), 639 states have call successors, (639) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:34:41,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:34:45,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:34:48,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:48,691 INFO L93 Difference]: Finished difference Result 5552 states and 8199 transitions. [2022-11-19 07:34:48,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:34:48,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 74 [2022-11-19 07:34:48,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:48,742 INFO L225 Difference]: With dead ends: 5552 [2022-11-19 07:34:48,743 INFO L226 Difference]: Without dead ends: 3565 [2022-11-19 07:34:48,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:34:48,762 INFO L413 NwaCegarLoop]: 3085 mSDtfsCounter, 2345 mSDsluCounter, 2546 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2348 SdHoareTripleChecker+Valid, 5631 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:48,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2348 Valid, 5631 Invalid, 642 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 639 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-19 07:34:48,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2022-11-19 07:34:49,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3561. [2022-11-19 07:34:49,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3561 states, 2164 states have (on average 1.3428835489833642) internal successors, (2906), 2274 states have internal predecessors, (2906), 1146 states have call successors, (1146), 252 states have call predecessors, (1146), 250 states have return successors, (1145), 1127 states have call predecessors, (1145), 1145 states have call successors, (1145) [2022-11-19 07:34:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3561 states and 5197 transitions. [2022-11-19 07:34:49,051 INFO L78 Accepts]: Start accepts. Automaton has 3561 states and 5197 transitions. Word has length 74 [2022-11-19 07:34:49,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:49,052 INFO L495 AbstractCegarLoop]: Abstraction has 3561 states and 5197 transitions. [2022-11-19 07:34:49,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:34:49,052 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 5197 transitions. [2022-11-19 07:34:49,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-19 07:34:49,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:49,062 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:34:49,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:34:49,063 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:34:49,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:49,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1731930671, now seen corresponding path program 1 times [2022-11-19 07:34:49,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:49,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594350291] [2022-11-19 07:34:49,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:49,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:49,951 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-19 07:34:49,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:49,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594350291] [2022-11-19 07:34:49,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594350291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:49,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:49,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:34:49,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392039814] [2022-11-19 07:34:49,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:49,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:34:49,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:49,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:34:49,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:34:49,965 INFO L87 Difference]: Start difference. First operand 3561 states and 5197 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 07:34:52,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:34:59,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:00,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:00,332 INFO L93 Difference]: Finished difference Result 8882 states and 12843 transitions. [2022-11-19 07:35:00,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:35:00,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 125 [2022-11-19 07:35:00,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:00,371 INFO L225 Difference]: With dead ends: 8882 [2022-11-19 07:35:00,371 INFO L226 Difference]: Without dead ends: 5324 [2022-11-19 07:35:00,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:35:00,392 INFO L413 NwaCegarLoop]: 3526 mSDtfsCounter, 1732 mSDsluCounter, 2460 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 5986 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:00,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1734 Valid, 5986 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 786 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2022-11-19 07:35:00,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5324 states. [2022-11-19 07:35:00,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5324 to 5319. [2022-11-19 07:35:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5319 states, 3203 states have (on average 1.332188573212613) internal successors, (4267), 3360 states have internal predecessors, (4267), 1689 states have call successors, (1689), 429 states have call predecessors, (1689), 426 states have return successors, (1688), 1662 states have call predecessors, (1688), 1688 states have call successors, (1688) [2022-11-19 07:35:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5319 states to 5319 states and 7644 transitions. [2022-11-19 07:35:00,671 INFO L78 Accepts]: Start accepts. Automaton has 5319 states and 7644 transitions. Word has length 125 [2022-11-19 07:35:00,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:00,671 INFO L495 AbstractCegarLoop]: Abstraction has 5319 states and 7644 transitions. [2022-11-19 07:35:00,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 07:35:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 5319 states and 7644 transitions. [2022-11-19 07:35:00,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-19 07:35:00,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:00,678 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:35:00,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:35:00,678 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:00,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:00,679 INFO L85 PathProgramCache]: Analyzing trace with hash -760772032, now seen corresponding path program 1 times [2022-11-19 07:35:00,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:00,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106670297] [2022-11-19 07:35:00,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:00,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:01,795 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-11-19 07:35:01,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:01,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106670297] [2022-11-19 07:35:01,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106670297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:01,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:01,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:35:01,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594394296] [2022-11-19 07:35:01,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:01,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:35:01,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:01,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:35:01,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:35:01,803 INFO L87 Difference]: Start difference. First operand 5319 states and 7644 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-19 07:35:03,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:10,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:11,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:11,218 INFO L93 Difference]: Finished difference Result 15664 states and 22526 transitions. [2022-11-19 07:35:11,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:35:11,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 198 [2022-11-19 07:35:11,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:11,288 INFO L225 Difference]: With dead ends: 15664 [2022-11-19 07:35:11,288 INFO L226 Difference]: Without dead ends: 10348 [2022-11-19 07:35:11,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:35:11,319 INFO L413 NwaCegarLoop]: 3948 mSDtfsCounter, 2728 mSDsluCounter, 2546 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 6494 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:11,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2731 Valid, 6494 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 726 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2022-11-19 07:35:11,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10348 states. [2022-11-19 07:35:11,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10348 to 10336. [2022-11-19 07:35:11,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10336 states, 6226 states have (on average 1.3344041117892709) internal successors, (8308), 6539 states have internal predecessors, (8308), 3282 states have call successors, (3282), 833 states have call predecessors, (3282), 827 states have return successors, (3281), 3225 states have call predecessors, (3281), 3281 states have call successors, (3281) [2022-11-19 07:35:11,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10336 states to 10336 states and 14871 transitions. [2022-11-19 07:35:11,899 INFO L78 Accepts]: Start accepts. Automaton has 10336 states and 14871 transitions. Word has length 198 [2022-11-19 07:35:11,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:11,900 INFO L495 AbstractCegarLoop]: Abstraction has 10336 states and 14871 transitions. [2022-11-19 07:35:11,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-19 07:35:11,901 INFO L276 IsEmpty]: Start isEmpty. Operand 10336 states and 14871 transitions. [2022-11-19 07:35:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-19 07:35:11,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:11,911 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:35:11,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:35:11,911 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:11,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:11,912 INFO L85 PathProgramCache]: Analyzing trace with hash -705076632, now seen corresponding path program 1 times [2022-11-19 07:35:11,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:11,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611241340] [2022-11-19 07:35:11,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:11,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:12,751 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-19 07:35:12,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:12,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611241340] [2022-11-19 07:35:12,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611241340] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:12,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:12,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:35:12,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139700381] [2022-11-19 07:35:12,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:12,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:35:12,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:12,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:35:12,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:35:12,754 INFO L87 Difference]: Start difference. First operand 10336 states and 14871 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-19 07:35:14,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:21,731 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 [] [2022-11-19 07:35:22,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:22,788 INFO L93 Difference]: Finished difference Result 29603 states and 42643 transitions. [2022-11-19 07:35:22,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:35:22,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 177 [2022-11-19 07:35:22,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:22,910 INFO L225 Difference]: With dead ends: 29603 [2022-11-19 07:35:22,910 INFO L226 Difference]: Without dead ends: 19270 [2022-11-19 07:35:22,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:35:22,957 INFO L413 NwaCegarLoop]: 4759 mSDtfsCounter, 2678 mSDsluCounter, 2544 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2681 SdHoareTripleChecker+Valid, 7303 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:22,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2681 Valid, 7303 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 862 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2022-11-19 07:35:22,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19270 states. [2022-11-19 07:35:23,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19270 to 19242. [2022-11-19 07:35:23,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19242 states, 11605 states have (on average 1.3345971563981043) internal successors, (15488), 12216 states have internal predecessors, (15488), 6125 states have call successors, (6125), 1523 states have call predecessors, (6125), 1511 states have return successors, (6124), 6008 states have call predecessors, (6124), 6124 states have call successors, (6124) [2022-11-19 07:35:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19242 states to 19242 states and 27737 transitions. [2022-11-19 07:35:23,957 INFO L78 Accepts]: Start accepts. Automaton has 19242 states and 27737 transitions. Word has length 177 [2022-11-19 07:35:23,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:23,958 INFO L495 AbstractCegarLoop]: Abstraction has 19242 states and 27737 transitions. [2022-11-19 07:35:23,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-19 07:35:23,958 INFO L276 IsEmpty]: Start isEmpty. Operand 19242 states and 27737 transitions. [2022-11-19 07:35:23,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-19 07:35:23,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:23,973 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 07:35:23,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:35:23,974 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:23,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:23,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1630405614, now seen corresponding path program 1 times [2022-11-19 07:35:23,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:23,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994880883] [2022-11-19 07:35:23,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:23,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:24,871 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-11-19 07:35:24,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:24,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994880883] [2022-11-19 07:35:24,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994880883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:24,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:24,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:35:24,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191865376] [2022-11-19 07:35:24,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:24,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:35:24,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:24,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:35:24,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:35:24,874 INFO L87 Difference]: Start difference. First operand 19242 states and 27737 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:35:26,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:32,093 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 [] [2022-11-19 07:35:32,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:32,756 INFO L93 Difference]: Finished difference Result 20509 states and 29039 transitions. [2022-11-19 07:35:32,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:35:32,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 199 [2022-11-19 07:35:32,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:32,870 INFO L225 Difference]: With dead ends: 20509 [2022-11-19 07:35:32,870 INFO L226 Difference]: Without dead ends: 20506 [2022-11-19 07:35:32,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:35:32,883 INFO L413 NwaCegarLoop]: 2629 mSDtfsCounter, 1525 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 3882 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:32,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1525 Valid, 3882 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 480 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2022-11-19 07:35:32,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20506 states. [2022-11-19 07:35:34,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20506 to 20506. [2022-11-19 07:35:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20506 states, 12283 states have (on average 1.3227224619392657) internal successors, (16247), 12918 states have internal predecessors, (16247), 6388 states have call successors, (6388), 1846 states have call predecessors, (6388), 1834 states have return successors, (6387), 6271 states have call predecessors, (6387), 6387 states have call successors, (6387) [2022-11-19 07:35:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20506 states to 20506 states and 29022 transitions. [2022-11-19 07:35:34,337 INFO L78 Accepts]: Start accepts. Automaton has 20506 states and 29022 transitions. Word has length 199 [2022-11-19 07:35:34,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:34,340 INFO L495 AbstractCegarLoop]: Abstraction has 20506 states and 29022 transitions. [2022-11-19 07:35:34,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:35:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 20506 states and 29022 transitions. [2022-11-19 07:35:34,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-19 07:35:34,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:34,400 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 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] [2022-11-19 07:35:34,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:35:34,400 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:34,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:34,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1762207019, now seen corresponding path program 1 times [2022-11-19 07:35:34,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:34,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129027340] [2022-11-19 07:35:34,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:34,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2022-11-19 07:35:37,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:37,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129027340] [2022-11-19 07:35:37,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129027340] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:35:37,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154499303] [2022-11-19 07:35:37,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:37,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:35:37,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:35:37,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:35:38,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:35:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:47,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 6923 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 07:35:47,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:35:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2022-11-19 07:35:47,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:35:47,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154499303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:47,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:35:47,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2022-11-19 07:35:47,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043270346] [2022-11-19 07:35:47,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:47,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:35:47,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:47,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:35:47,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:35:47,459 INFO L87 Difference]: Start difference. First operand 20506 states and 29022 transitions. Second operand has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-19 07:35:49,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:00,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:01,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:01,937 INFO L93 Difference]: Finished difference Result 41097 states and 58616 transitions. [2022-11-19 07:36:01,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:36:01,939 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 267 [2022-11-19 07:36:01,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:02,041 INFO L225 Difference]: With dead ends: 41097 [2022-11-19 07:36:02,041 INFO L226 Difference]: Without dead ends: 20542 [2022-11-19 07:36:02,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:36:02,123 INFO L413 NwaCegarLoop]: 2539 mSDtfsCounter, 3 mSDsluCounter, 10123 mSDsCounter, 0 mSdLazyCounter, 1619 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12662 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1619 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:02,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12662 Invalid, 1633 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12 Valid, 1619 Invalid, 2 Unknown, 0 Unchecked, 13.5s Time] [2022-11-19 07:36:02,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20542 states. [2022-11-19 07:36:03,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20542 to 20542. [2022-11-19 07:36:03,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20542 states, 12311 states have (on average 1.3226382909593046) internal successors, (16283), 12954 states have internal predecessors, (16283), 6388 states have call successors, (6388), 1846 states have call predecessors, (6388), 1842 states have return successors, (6403), 6271 states have call predecessors, (6403), 6387 states have call successors, (6403) [2022-11-19 07:36:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20542 states to 20542 states and 29074 transitions. [2022-11-19 07:36:03,233 INFO L78 Accepts]: Start accepts. Automaton has 20542 states and 29074 transitions. Word has length 267 [2022-11-19 07:36:03,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:03,235 INFO L495 AbstractCegarLoop]: Abstraction has 20542 states and 29074 transitions. [2022-11-19 07:36:03,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-19 07:36:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 20542 states and 29074 transitions. [2022-11-19 07:36:03,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-19 07:36:03,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:03,294 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-19 07:36:03,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:36:03,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-19 07:36:03,511 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:03,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:03,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1285095321, now seen corresponding path program 1 times [2022-11-19 07:36:03,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:03,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728603379] [2022-11-19 07:36:03,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:03,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-11-19 07:36:04,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:04,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728603379] [2022-11-19 07:36:04,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728603379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:04,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:04,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:36:04,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793914513] [2022-11-19 07:36:04,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:04,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:36:04,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:04,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:36:04,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:04,418 INFO L87 Difference]: Start difference. First operand 20542 states and 29074 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-19 07:36:06,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:12,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:15,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:15,256 INFO L93 Difference]: Finished difference Result 54004 states and 76711 transitions. [2022-11-19 07:36:15,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:36:15,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 273 [2022-11-19 07:36:15,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:15,415 INFO L225 Difference]: With dead ends: 54004 [2022-11-19 07:36:15,415 INFO L226 Difference]: Without dead ends: 33465 [2022-11-19 07:36:15,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:15,493 INFO L413 NwaCegarLoop]: 3536 mSDtfsCounter, 2656 mSDsluCounter, 2357 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 52 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2659 SdHoareTripleChecker+Valid, 5893 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:15,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2659 Valid, 5893 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 808 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2022-11-19 07:36:15,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33465 states. [2022-11-19 07:36:16,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33465 to 33460. [2022-11-19 07:36:16,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33460 states, 20232 states have (on average 1.3240411229735074) internal successors, (26788), 21332 states have internal predecessors, (26788), 10281 states have call successors, (10281), 2950 states have call predecessors, (10281), 2946 states have return successors, (10312), 10081 states have call predecessors, (10312), 10280 states have call successors, (10312) [2022-11-19 07:36:17,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33460 states to 33460 states and 47381 transitions. [2022-11-19 07:36:17,142 INFO L78 Accepts]: Start accepts. Automaton has 33460 states and 47381 transitions. Word has length 273 [2022-11-19 07:36:17,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:17,145 INFO L495 AbstractCegarLoop]: Abstraction has 33460 states and 47381 transitions. [2022-11-19 07:36:17,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-19 07:36:17,145 INFO L276 IsEmpty]: Start isEmpty. Operand 33460 states and 47381 transitions. [2022-11-19 07:36:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-19 07:36:17,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:17,199 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-19 07:36:17,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:36:17,199 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:17,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:17,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1904845148, now seen corresponding path program 1 times [2022-11-19 07:36:17,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:17,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327733548] [2022-11-19 07:36:17,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:17,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:22,099 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2022-11-19 07:36:22,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:22,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327733548] [2022-11-19 07:36:22,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327733548] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:36:22,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966657072] [2022-11-19 07:36:22,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:22,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:36:22,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:36:22,104 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:36:22,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d56d014-d50c-47a5-b1d6-e133b58d5342/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:36:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:26,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 7049 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-19 07:36:26,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:36:27,009 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2022-11-19 07:36:27,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:36:28,074 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2022-11-19 07:36:28,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966657072] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:36:28,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [32278445] [2022-11-19 07:36:28,098 INFO L159 IcfgInterpreter]: Started Sifa with 128 locations of interest [2022-11-19 07:36:28,098 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:36:28,102 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:36:28,107 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:36:28,108 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:36:41,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:36:44,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:44,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:45,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:36:45,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 78 select indices, 78 select index equivalence classes, 3241 disjoint index pairs (out of 3003 index pairs), introduced 78 new quantified variables, introduced 0 case distinctions, treesize of input 4633 treesize of output 3954 [2022-11-19 07:43:22,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:22,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:22,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:22,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:22,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:23,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1769 treesize of output 1580 [2022-11-19 07:43:24,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 1789 treesize of output 1598 [2022-11-19 07:43:25,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 1793 treesize of output 1602 [2022-11-19 07:43:26,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 1793 treesize of output 1602 [2022-11-19 07:43:27,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 1793 treesize of output 1602 [2022-11-19 07:43:28,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 1793 treesize of output 1602 [2022-11-19 07:43:29,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 1793 treesize of output 1602 [2022-11-19 07:43:30,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:30,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:30,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:30,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:30,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:30,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:30,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2022-11-19 07:43:30,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2022-11-19 07:43:31,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:43:31,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-19 07:43:31,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2022-11-19 07:43:31,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-19 07:43:32,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:43:32,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:43:33,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:43:33,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 07:43:33,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11