./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--can--usb--kvaser_usb.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_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/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_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--can--usb--kvaser_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/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_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/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 cf9409c9644882d0b94992da63085a143a7838c0d2df658a83d1fd7dd6703a4d --- 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 07:36:43,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:36:43,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:36:43,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:36:43,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:36:43,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:36:43,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:36:43,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:36:43,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:36:43,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:36:43,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:36:43,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:36:43,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:36:43,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:36:43,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:36:43,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:36:43,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:36:43,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:36:43,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:36:43,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:36:43,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:36:43,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:36:43,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:36:43,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:36:43,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:36:43,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:36:43,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:36:43,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:36:43,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:36:43,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:36:43,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:36:43,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:36:43,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:36:43,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:36:43,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:36:43,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:36:43,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:36:43,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:36:43,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:36:43,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:36:43,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:36:43,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:36:43,441 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:36:43,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:36:43,452 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:36:43,452 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:36:43,453 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:36:43,453 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:36:43,454 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:36:43,454 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:36:43,454 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:36:43,454 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:36:43,457 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:36:43,457 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:36:43,457 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:36:43,457 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:36:43,458 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:36:43,458 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:36:43,458 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:36:43,458 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:36:43,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:36:43,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:36:43,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:36:43,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:36:43,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:36:43,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:36:43,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:36:43,465 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:36:43,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:36:43,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:36:43,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:36:43,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:36:43,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:36:43,471 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:36:43,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:36:43,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:36:43,472 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:36:43,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:36:43,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:36:43,472 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:36:43,473 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_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf9409c9644882d0b94992da63085a143a7838c0d2df658a83d1fd7dd6703a4d [2022-11-19 07:36:43,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:36:43,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:36:43,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:36:43,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:36:43,771 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:36:43,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--can--usb--kvaser_usb.ko-entry_point.cil.out.i [2022-11-19 07:36:43,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/data/6e4c06ed9/adbe2cc6cb7546ceb4d4d5d38ed6fb12/FLAG057c4f44b [2022-11-19 07:36:44,690 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:36:44,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--can--usb--kvaser_usb.ko-entry_point.cil.out.i [2022-11-19 07:36:44,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/data/6e4c06ed9/adbe2cc6cb7546ceb4d4d5d38ed6fb12/FLAG057c4f44b [2022-11-19 07:36:45,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/data/6e4c06ed9/adbe2cc6cb7546ceb4d4d5d38ed6fb12 [2022-11-19 07:36:45,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:36:45,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:36:45,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:36:45,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:36:45,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:36:45,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:45" (1/1) ... [2022-11-19 07:36:45,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4a6668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:45, skipping insertion in model container [2022-11-19 07:36:45,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:45" (1/1) ... [2022-11-19 07:36:45,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:36:45,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:36:45,960 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5632] [2022-11-19 07:36:45,961 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5633-5634] [2022-11-19 07:36:46,219 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_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--can--usb--kvaser_usb.ko-entry_point.cil.out.i[167514,167527] [2022-11-19 07:36:47,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:36:47,207 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:36:47,369 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5632] [2022-11-19 07:36:47,370 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5633-5634] [2022-11-19 07:36:47,381 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_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--can--usb--kvaser_usb.ko-entry_point.cil.out.i[167514,167527] [2022-11-19 07:36:47,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:36:47,793 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:36:47,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:47 WrapperNode [2022-11-19 07:36:47,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:36:47,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:36:47,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:36:47,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:36:47,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:47" (1/1) ... [2022-11-19 07:36:47,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:47" (1/1) ... [2022-11-19 07:36:47,970 INFO L138 Inliner]: procedures = 205, calls = 1464, calls flagged for inlining = 88, calls inlined = 65, statements flattened = 2141 [2022-11-19 07:36:47,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:36:47,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:36:47,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:36:47,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:36:47,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:47" (1/1) ... [2022-11-19 07:36:47,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:47" (1/1) ... [2022-11-19 07:36:47,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:47" (1/1) ... [2022-11-19 07:36:47,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:47" (1/1) ... [2022-11-19 07:36:48,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:47" (1/1) ... [2022-11-19 07:36:48,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:47" (1/1) ... [2022-11-19 07:36:48,092 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:47" (1/1) ... [2022-11-19 07:36:48,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:47" (1/1) ... [2022-11-19 07:36:48,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:36:48,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:36:48,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:36:48,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:36:48,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:47" (1/1) ... [2022-11-19 07:36:48,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:36:48,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:36:48,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:36:48,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:36:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 07:36:48,203 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 07:36:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-19 07:36:48,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-19 07:36:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-19 07:36:48,204 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-19 07:36:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:36:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:36:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:36:48,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:36:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-19 07:36:48,205 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-19 07:36:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:36:48,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:36:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-19 07:36:48,206 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-19 07:36:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:36:48,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:36:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_send_msg [2022-11-19 07:36:48,207 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_send_msg [2022-11-19 07:36:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:36:48,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:36:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 07:36:48,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 07:36:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:36:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_send_simple_msg [2022-11-19 07:36:48,208 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_send_simple_msg [2022-11-19 07:36:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-19 07:36:48,209 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-19 07:36:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:36:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-19 07:36:48,209 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-19 07:36:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:36:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:36:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-19 07:36:48,210 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-19 07:36:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 07:36:48,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 07:36:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_unlink_tx_urbs [2022-11-19 07:36:48,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_unlink_tx_urbs [2022-11-19 07:36:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 07:36:48,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 07:36:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-19 07:36:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-19 07:36:48,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-19 07:36:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-19 07:36:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 07:36:48,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 07:36:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2022-11-19 07:36:48,213 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2022-11-19 07:36:48,213 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-19 07:36:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-19 07:36:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:36:48,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:36:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:36:48,215 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2022-11-19 07:36:48,215 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2022-11-19 07:36:48,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:36:48,215 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-19 07:36:48,215 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-19 07:36:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:36:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-19 07:36:48,216 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-19 07:36:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_remove_interfaces [2022-11-19 07:36:48,217 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_remove_interfaces [2022-11-19 07:36:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:36:48,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:36:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-19 07:36:48,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-19 07:36:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 07:36:48,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 07:36:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-19 07:36:48,218 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-19 07:36:48,219 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:36:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:36:48,219 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-19 07:36:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-19 07:36:48,219 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-19 07:36:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-19 07:36:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:36:48,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:36:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:36:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:36:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:36:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_wait_msg [2022-11-19 07:36:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_wait_msg [2022-11-19 07:36:48,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:36:48,224 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-19 07:36:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-19 07:36:48,225 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-19 07:36:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-19 07:36:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:36:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:36:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 07:36:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 07:36:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-19 07:36:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-19 07:36:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:36:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2022-11-19 07:36:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2022-11-19 07:36:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:36:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:36:48,859 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:36:48,864 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:36:49,139 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:36:51,196 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:36:51,739 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:36:51,739 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:36:51,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:51 BoogieIcfgContainer [2022-11-19 07:36:51,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:36:51,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:36:51,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:36:51,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:36:51,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:45" (1/3) ... [2022-11-19 07:36:51,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7312d1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:51, skipping insertion in model container [2022-11-19 07:36:51,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:47" (2/3) ... [2022-11-19 07:36:51,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7312d1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:51, skipping insertion in model container [2022-11-19 07:36:51,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:51" (3/3) ... [2022-11-19 07:36:51,763 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--can--usb--kvaser_usb.ko-entry_point.cil.out.i [2022-11-19 07:36:51,788 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:36:51,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:36:51,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:36:51,914 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;@83f2381, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:36:51,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:36:51,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 440 states, 277 states have (on average 1.3574007220216606) internal successors, (376), 291 states have internal predecessors, (376), 119 states have call successors, (119), 43 states have call predecessors, (119), 42 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2022-11-19 07:36:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-19 07:36:51,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:51,943 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:36:51,944 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:51,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:51,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1410278859, now seen corresponding path program 1 times [2022-11-19 07:36:51,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:51,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902898732] [2022-11-19 07:36:51,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:51,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:52,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 07:36:52,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:52,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902898732] [2022-11-19 07:36:52,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902898732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:52,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:52,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:36:52,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979180127] [2022-11-19 07:36:52,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:52,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:36:52,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:52,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:36:52,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:52,723 INFO L87 Difference]: Start difference. First operand has 440 states, 277 states have (on average 1.3574007220216606) internal successors, (376), 291 states have internal predecessors, (376), 119 states have call successors, (119), 43 states have call predecessors, (119), 42 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 07:36:55,437 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 07:36:57,608 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 07:36:57,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:57,642 INFO L93 Difference]: Finished difference Result 1102 states and 1543 transitions. [2022-11-19 07:36:57,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:36:57,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2022-11-19 07:36:57,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:57,662 INFO L225 Difference]: With dead ends: 1102 [2022-11-19 07:36:57,663 INFO L226 Difference]: Without dead ends: 654 [2022-11-19 07:36:57,669 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 07:36:57,673 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 299 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:57,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 1056 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 199 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2022-11-19 07:36:57,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2022-11-19 07:36:57,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 649. [2022-11-19 07:36:57,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 419 states have (on average 1.3365155131264916) internal successors, (560), 430 states have internal predecessors, (560), 161 states have call successors, (161), 69 states have call predecessors, (161), 68 states have return successors, (160), 159 states have call predecessors, (160), 160 states have call successors, (160) [2022-11-19 07:36:57,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 881 transitions. [2022-11-19 07:36:57,783 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 881 transitions. Word has length 34 [2022-11-19 07:36:57,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:57,784 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 881 transitions. [2022-11-19 07:36:57,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 07:36:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 881 transitions. [2022-11-19 07:36:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-19 07:36:57,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:57,788 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:36:57,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:36:57,789 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:57,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:57,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1153740444, now seen corresponding path program 1 times [2022-11-19 07:36:57,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:57,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450776478] [2022-11-19 07:36:57,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:57,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 07:36:58,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:58,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450776478] [2022-11-19 07:36:58,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450776478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:58,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:58,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:36:58,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17259257] [2022-11-19 07:36:58,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:58,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:36:58,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:58,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:36:58,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:36:58,069 INFO L87 Difference]: Start difference. First operand 649 states and 881 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 07:37:00,749 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 07:37:02,964 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 07:37:02,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:02,979 INFO L93 Difference]: Finished difference Result 1554 states and 2101 transitions. [2022-11-19 07:37:02,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:02,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2022-11-19 07:37:02,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:02,986 INFO L225 Difference]: With dead ends: 1554 [2022-11-19 07:37:02,987 INFO L226 Difference]: Without dead ends: 910 [2022-11-19 07:37:02,989 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 07:37:02,990 INFO L413 NwaCegarLoop]: 716 mSDtfsCounter, 322 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:02,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 1209 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 213 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2022-11-19 07:37:02,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2022-11-19 07:37:03,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 907. [2022-11-19 07:37:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 588 states have (on average 1.3299319727891157) internal successors, (782), 602 states have internal predecessors, (782), 221 states have call successors, (221), 98 states have call predecessors, (221), 97 states have return successors, (220), 219 states have call predecessors, (220), 220 states have call successors, (220) [2022-11-19 07:37:03,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1223 transitions. [2022-11-19 07:37:03,053 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1223 transitions. Word has length 51 [2022-11-19 07:37:03,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:03,054 INFO L495 AbstractCegarLoop]: Abstraction has 907 states and 1223 transitions. [2022-11-19 07:37:03,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 07:37:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1223 transitions. [2022-11-19 07:37:03,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-19 07:37:03,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:03,058 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:03,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:37:03,059 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:03,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:03,059 INFO L85 PathProgramCache]: Analyzing trace with hash -556944147, now seen corresponding path program 1 times [2022-11-19 07:37:03,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:03,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583098871] [2022-11-19 07:37:03,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:03,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:03,375 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-19 07:37:03,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:03,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583098871] [2022-11-19 07:37:03,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583098871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:03,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:03,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:03,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236806155] [2022-11-19 07:37:03,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:03,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:03,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:03,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:03,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:03,380 INFO L87 Difference]: Start difference. First operand 907 states and 1223 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-19 07:37:06,696 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 07:37:08,801 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 07:37:08,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:08,821 INFO L93 Difference]: Finished difference Result 2064 states and 2793 transitions. [2022-11-19 07:37:08,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:08,822 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), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 55 [2022-11-19 07:37:08,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:08,829 INFO L225 Difference]: With dead ends: 2064 [2022-11-19 07:37:08,829 INFO L226 Difference]: Without dead ends: 1170 [2022-11-19 07:37:08,834 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 07:37:08,841 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 297 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:08,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1227 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 246 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-11-19 07:37:08,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2022-11-19 07:37:08,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1165. [2022-11-19 07:37:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 773 states have (on average 1.3389391979301424) internal successors, (1035), 790 states have internal predecessors, (1035), 267 states have call successors, (267), 125 states have call predecessors, (267), 124 states have return successors, (266), 264 states have call predecessors, (266), 266 states have call successors, (266) [2022-11-19 07:37:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1568 transitions. [2022-11-19 07:37:08,930 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1568 transitions. Word has length 55 [2022-11-19 07:37:08,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:08,931 INFO L495 AbstractCegarLoop]: Abstraction has 1165 states and 1568 transitions. [2022-11-19 07:37:08,931 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), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-19 07:37:08,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1568 transitions. [2022-11-19 07:37:08,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 07:37:08,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:08,938 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:08,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:37:08,939 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:08,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:08,940 INFO L85 PathProgramCache]: Analyzing trace with hash -903809922, now seen corresponding path program 1 times [2022-11-19 07:37:08,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:08,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140351348] [2022-11-19 07:37:08,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:08,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-19 07:37:09,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:09,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140351348] [2022-11-19 07:37:09,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140351348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:09,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:09,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:09,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853481000] [2022-11-19 07:37:09,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:09,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:09,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:09,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:09,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:09,328 INFO L87 Difference]: Start difference. First operand 1165 states and 1568 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:37:11,831 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 07:37:13,914 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 07:37:13,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:13,925 INFO L93 Difference]: Finished difference Result 2318 states and 3122 transitions. [2022-11-19 07:37:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:13,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2022-11-19 07:37:13,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:13,934 INFO L225 Difference]: With dead ends: 2318 [2022-11-19 07:37:13,934 INFO L226 Difference]: Without dead ends: 1163 [2022-11-19 07:37:13,937 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 07:37:13,938 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 0 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:13,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1007 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 180 Invalid, 2 Unknown, 0 Unchecked, 4.5s Time] [2022-11-19 07:37:13,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2022-11-19 07:37:13,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1159. [2022-11-19 07:37:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 767 states have (on average 1.3376792698826596) internal successors, (1026), 786 states have internal predecessors, (1026), 267 states have call successors, (267), 125 states have call predecessors, (267), 124 states have return successors, (266), 262 states have call predecessors, (266), 266 states have call successors, (266) [2022-11-19 07:37:14,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1559 transitions. [2022-11-19 07:37:14,001 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1559 transitions. Word has length 66 [2022-11-19 07:37:14,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:14,001 INFO L495 AbstractCegarLoop]: Abstraction has 1159 states and 1559 transitions. [2022-11-19 07:37:14,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:37:14,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1559 transitions. [2022-11-19 07:37:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 07:37:14,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:14,004 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:14,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:37:14,005 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:14,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:14,005 INFO L85 PathProgramCache]: Analyzing trace with hash 19806637, now seen corresponding path program 1 times [2022-11-19 07:37:14,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:14,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972887112] [2022-11-19 07:37:14,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:14,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-19 07:37:14,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:14,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972887112] [2022-11-19 07:37:14,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972887112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:14,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:14,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:14,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569031806] [2022-11-19 07:37:14,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:14,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:14,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:14,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:14,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:14,209 INFO L87 Difference]: Start difference. First operand 1159 states and 1559 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 07:37:16,606 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 07:37:18,977 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 07:37:19,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:19,017 INFO L93 Difference]: Finished difference Result 2268 states and 3046 transitions. [2022-11-19 07:37:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:19,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 65 [2022-11-19 07:37:19,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:19,033 INFO L225 Difference]: With dead ends: 2268 [2022-11-19 07:37:19,033 INFO L226 Difference]: Without dead ends: 2265 [2022-11-19 07:37:19,035 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 07:37:19,036 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 498 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:19,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 1097 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2022-11-19 07:37:19,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2265 states. [2022-11-19 07:37:19,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2265 to 2263. [2022-11-19 07:37:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2263 states, 1503 states have (on average 1.3359946773120426) internal successors, (2008), 1539 states have internal predecessors, (2008), 515 states have call successors, (515), 245 states have call predecessors, (515), 244 states have return successors, (514), 505 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-19 07:37:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 3037 transitions. [2022-11-19 07:37:19,200 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 3037 transitions. Word has length 65 [2022-11-19 07:37:19,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:19,200 INFO L495 AbstractCegarLoop]: Abstraction has 2263 states and 3037 transitions. [2022-11-19 07:37:19,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-19 07:37:19,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 3037 transitions. [2022-11-19 07:37:19,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-19 07:37:19,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:19,208 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2022-11-19 07:37:19,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:37:19,208 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:19,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:19,209 INFO L85 PathProgramCache]: Analyzing trace with hash -312051603, now seen corresponding path program 1 times [2022-11-19 07:37:19,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:19,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551562232] [2022-11-19 07:37:19,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:19,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-19 07:37:21,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:21,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551562232] [2022-11-19 07:37:21,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551562232] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:21,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925168425] [2022-11-19 07:37:21,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:21,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:21,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:21,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:21,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:37:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:22,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 2944 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:37:22,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-19 07:37:22,323 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:37:22,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925168425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:22,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:37:22,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2022-11-19 07:37:22,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438942798] [2022-11-19 07:37:22,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:22,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:22,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:22,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:22,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:37:22,326 INFO L87 Difference]: Start difference. First operand 2263 states and 3037 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-19 07:37:24,682 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 07:37:26,771 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 07:37:27,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:27,176 INFO L93 Difference]: Finished difference Result 3404 states and 4573 transitions. [2022-11-19 07:37:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:27,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 123 [2022-11-19 07:37:27,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:27,204 INFO L225 Difference]: With dead ends: 3404 [2022-11-19 07:37:27,204 INFO L226 Difference]: Without dead ends: 3401 [2022-11-19 07:37:27,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:37:27,212 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 489 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:27,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 1110 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2022-11-19 07:37:27,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3401 states. [2022-11-19 07:37:27,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3401 to 3399. [2022-11-19 07:37:27,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3399 states, 2256 states have (on average 1.3355496453900708) internal successors, (3013), 2312 states have internal predecessors, (3013), 776 states have call successors, (776), 367 states have call predecessors, (776), 366 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-19 07:37:27,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 3399 states and 4564 transitions. [2022-11-19 07:37:27,471 INFO L78 Accepts]: Start accepts. Automaton has 3399 states and 4564 transitions. Word has length 123 [2022-11-19 07:37:27,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:27,472 INFO L495 AbstractCegarLoop]: Abstraction has 3399 states and 4564 transitions. [2022-11-19 07:37:27,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-19 07:37:27,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3399 states and 4564 transitions. [2022-11-19 07:37:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-19 07:37:27,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:27,491 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:37:27,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:27,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:27,717 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:27,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:27,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1541184179, now seen corresponding path program 1 times [2022-11-19 07:37:27,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:27,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865190275] [2022-11-19 07:37:27,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:27,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:28,206 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-19 07:37:28,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:28,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865190275] [2022-11-19 07:37:28,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865190275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:28,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:28,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:37:28,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132647738] [2022-11-19 07:37:28,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:28,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:37:28,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:28,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:37:28,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:37:28,210 INFO L87 Difference]: Start difference. First operand 3399 states and 4564 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 07:37:31,309 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 07:37:33,571 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 07:37:33,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:33,752 INFO L93 Difference]: Finished difference Result 9392 states and 13205 transitions. [2022-11-19 07:37:33,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:37:33,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 192 [2022-11-19 07:37:33,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:33,789 INFO L225 Difference]: With dead ends: 9392 [2022-11-19 07:37:33,789 INFO L226 Difference]: Without dead ends: 6006 [2022-11-19 07:37:33,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:37:33,802 INFO L413 NwaCegarLoop]: 742 mSDtfsCounter, 476 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 100 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:33,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 1974 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 326 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2022-11-19 07:37:33,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6006 states. [2022-11-19 07:37:34,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6006 to 3417. [2022-11-19 07:37:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3417 states, 2274 states have (on average 1.3328935795954266) internal successors, (3031), 2330 states have internal predecessors, (3031), 776 states have call successors, (776), 367 states have call predecessors, (776), 366 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-19 07:37:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 3417 states and 4582 transitions. [2022-11-19 07:37:34,103 INFO L78 Accepts]: Start accepts. Automaton has 3417 states and 4582 transitions. Word has length 192 [2022-11-19 07:37:34,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:34,103 INFO L495 AbstractCegarLoop]: Abstraction has 3417 states and 4582 transitions. [2022-11-19 07:37:34,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 07:37:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 4582 transitions. [2022-11-19 07:37:34,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-19 07:37:34,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:34,116 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:37:34,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:37:34,117 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:34,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:34,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1341213333, now seen corresponding path program 1 times [2022-11-19 07:37:34,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:34,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620789276] [2022-11-19 07:37:34,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:34,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:34,627 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-19 07:37:34,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:34,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620789276] [2022-11-19 07:37:34,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620789276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:34,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:34,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:34,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881374029] [2022-11-19 07:37:34,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:34,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:34,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:34,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:34,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:34,632 INFO L87 Difference]: Start difference. First operand 3417 states and 4582 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 07:37:37,315 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 07:37:39,704 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 07:37:39,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:39,839 INFO L93 Difference]: Finished difference Result 8284 states and 11459 transitions. [2022-11-19 07:37:39,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:39,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 197 [2022-11-19 07:37:39,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:39,871 INFO L225 Difference]: With dead ends: 8284 [2022-11-19 07:37:39,871 INFO L226 Difference]: Without dead ends: 4880 [2022-11-19 07:37:39,885 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 07:37:39,886 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 175 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:39,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1294 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 212 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2022-11-19 07:37:39,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4880 states. [2022-11-19 07:37:40,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4880 to 3426. [2022-11-19 07:37:40,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3426 states, 2283 states have (on average 1.3315812527376258) internal successors, (3040), 2339 states have internal predecessors, (3040), 776 states have call successors, (776), 367 states have call predecessors, (776), 366 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-19 07:37:40,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 3426 states and 4591 transitions. [2022-11-19 07:37:40,163 INFO L78 Accepts]: Start accepts. Automaton has 3426 states and 4591 transitions. Word has length 197 [2022-11-19 07:37:40,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:40,164 INFO L495 AbstractCegarLoop]: Abstraction has 3426 states and 4591 transitions. [2022-11-19 07:37:40,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 07:37:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3426 states and 4591 transitions. [2022-11-19 07:37:40,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-19 07:37:40,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:40,178 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 07:37:40,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:37:40,178 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:40,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:40,179 INFO L85 PathProgramCache]: Analyzing trace with hash -258309488, now seen corresponding path program 1 times [2022-11-19 07:37:40,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:40,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599214161] [2022-11-19 07:37:40,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:40,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:40,768 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-11-19 07:37:40,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:40,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599214161] [2022-11-19 07:37:40,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599214161] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:40,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858049560] [2022-11-19 07:37:40,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:40,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:40,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:40,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:40,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:37:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:42,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 3379 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:37:42,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:42,545 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-19 07:37:42,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:37:42,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858049560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:42,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:37:42,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-19 07:37:42,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039460350] [2022-11-19 07:37:42,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:42,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:42,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:42,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:42,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:37:42,548 INFO L87 Difference]: Start difference. First operand 3426 states and 4591 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-19 07:37:45,149 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 07:37:47,341 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 07:37:47,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:47,430 INFO L93 Difference]: Finished difference Result 4855 states and 6519 transitions. [2022-11-19 07:37:47,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:47,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 220 [2022-11-19 07:37:47,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:47,452 INFO L225 Difference]: With dead ends: 4855 [2022-11-19 07:37:47,452 INFO L226 Difference]: Without dead ends: 3700 [2022-11-19 07:37:47,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:37:47,460 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 200 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:47,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 1040 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 200 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2022-11-19 07:37:47,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3700 states. [2022-11-19 07:37:47,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3700 to 3691. [2022-11-19 07:37:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3691 states, 2473 states have (on average 1.3348160129397493) internal successors, (3301), 2532 states have internal predecessors, (3301), 824 states have call successors, (824), 394 states have call predecessors, (824), 393 states have return successors, (823), 808 states have call predecessors, (823), 823 states have call successors, (823) [2022-11-19 07:37:47,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3691 states to 3691 states and 4948 transitions. [2022-11-19 07:37:47,808 INFO L78 Accepts]: Start accepts. Automaton has 3691 states and 4948 transitions. Word has length 220 [2022-11-19 07:37:47,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:47,809 INFO L495 AbstractCegarLoop]: Abstraction has 3691 states and 4948 transitions. [2022-11-19 07:37:47,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-19 07:37:47,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3691 states and 4948 transitions. [2022-11-19 07:37:47,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-11-19 07:37:47,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:47,823 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-19 07:37:47,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:48,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:48,037 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:48,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:48,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1501694512, now seen corresponding path program 1 times [2022-11-19 07:37:48,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:48,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219896484] [2022-11-19 07:37:48,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:48,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-19 07:37:48,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:48,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219896484] [2022-11-19 07:37:48,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219896484] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:48,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846151025] [2022-11-19 07:37:48,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:48,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:48,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:48,579 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:48,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:37:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:49,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 3405 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:37:49,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:50,470 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-19 07:37:50,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:37:50,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846151025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:50,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:37:50,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-19 07:37:50,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676857627] [2022-11-19 07:37:50,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:50,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:50,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:50,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:50,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:37:50,475 INFO L87 Difference]: Start difference. First operand 3691 states and 4948 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-19 07:37:52,852 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 07:37:55,279 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 07:37:55,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:55,403 INFO L93 Difference]: Finished difference Result 5079 states and 6809 transitions. [2022-11-19 07:37:55,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:55,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 230 [2022-11-19 07:37:55,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:55,475 INFO L225 Difference]: With dead ends: 5079 [2022-11-19 07:37:55,476 INFO L226 Difference]: Without dead ends: 5076 [2022-11-19 07:37:55,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:37:55,481 INFO L413 NwaCegarLoop]: 606 mSDtfsCounter, 393 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:55,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1103 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 180 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2022-11-19 07:37:55,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2022-11-19 07:37:55,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 5076. [2022-11-19 07:37:55,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5076 states, 3413 states have (on average 1.3357749780251977) internal successors, (4559), 3491 states have internal predecessors, (4559), 1122 states have call successors, (1122), 541 states have call predecessors, (1122), 540 states have return successors, (1121), 1101 states have call predecessors, (1121), 1121 states have call successors, (1121) [2022-11-19 07:37:55,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5076 states to 5076 states and 6802 transitions. [2022-11-19 07:37:55,838 INFO L78 Accepts]: Start accepts. Automaton has 5076 states and 6802 transitions. Word has length 230 [2022-11-19 07:37:55,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:55,839 INFO L495 AbstractCegarLoop]: Abstraction has 5076 states and 6802 transitions. [2022-11-19 07:37:55,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-19 07:37:55,840 INFO L276 IsEmpty]: Start isEmpty. Operand 5076 states and 6802 transitions. [2022-11-19 07:37:55,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-11-19 07:37:55,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:55,922 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:37:55,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:56,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 07:37:56,123 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:56,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:56,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1294873296, now seen corresponding path program 1 times [2022-11-19 07:37:56,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:56,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329036652] [2022-11-19 07:37:56,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:56,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-11-19 07:37:56,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:56,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329036652] [2022-11-19 07:37:56,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329036652] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:56,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228752673] [2022-11-19 07:37:56,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:56,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:56,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:56,916 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:56,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:37:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:58,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 4583 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:37:58,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:59,220 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-11-19 07:37:59,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:37:59,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228752673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:59,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:37:59,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-19 07:37:59,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206057552] [2022-11-19 07:37:59,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:59,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:59,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:59,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:59,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:37:59,225 INFO L87 Difference]: Start difference. First operand 5076 states and 6802 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-11-19 07:38:01,529 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 07:38:03,679 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 07:38:03,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:03,770 INFO L93 Difference]: Finished difference Result 5076 states and 6802 transitions. [2022-11-19 07:38:03,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:38:03,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 288 [2022-11-19 07:38:03,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:03,773 INFO L225 Difference]: With dead ends: 5076 [2022-11-19 07:38:03,773 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:38:03,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:38:03,789 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 405 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:03,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 500 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2022-11-19 07:38:03,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:38:03,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:38:03,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:38:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:38:03,792 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 288 [2022-11-19 07:38:03,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:03,792 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:38:03,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-11-19 07:38:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:38:03,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:38:03,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:38:03,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:38:04,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:04,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:38:07,142 INFO L899 garLoopResultBuilder]: For program point atomic_setEXIT(lines 5761 5767) no Hoare annotation was computed. [2022-11-19 07:38:07,142 INFO L902 garLoopResultBuilder]: At program point atomic_setENTRY(lines 5761 5767) the Hoare annotation is: true [2022-11-19 07:38:07,142 INFO L899 garLoopResultBuilder]: For program point L6394(lines 6394 6399) no Hoare annotation was computed. [2022-11-19 07:38:07,142 INFO L899 garLoopResultBuilder]: For program point L6370(lines 6370 6373) no Hoare annotation was computed. [2022-11-19 07:38:07,142 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_wait_msgFINAL(lines 6354 6416) no Hoare annotation was computed. [2022-11-19 07:38:07,143 INFO L902 garLoopResultBuilder]: At program point L6412(lines 6366 6415) the Hoare annotation is: true [2022-11-19 07:38:07,143 INFO L899 garLoopResultBuilder]: For program point L6375-1(line 6375) no Hoare annotation was computed. [2022-11-19 07:38:07,143 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_wait_msgEXIT(lines 6354 6416) no Hoare annotation was computed. [2022-11-19 07:38:07,143 INFO L902 garLoopResultBuilder]: At program point L6375(line 6375) the Hoare annotation is: true [2022-11-19 07:38:07,143 INFO L902 garLoopResultBuilder]: At program point L6408(lines 6366 6415) the Hoare annotation is: true [2022-11-19 07:38:07,143 INFO L902 garLoopResultBuilder]: At program point kvaser_usb_wait_msgENTRY(lines 6354 6416) the Hoare annotation is: true [2022-11-19 07:38:07,143 INFO L899 garLoopResultBuilder]: For program point L6367-1(line 6367) no Hoare annotation was computed. [2022-11-19 07:38:07,144 INFO L902 garLoopResultBuilder]: At program point L6367(line 6367) the Hoare annotation is: true [2022-11-19 07:38:07,144 INFO L899 garLoopResultBuilder]: For program point L6396-1(line 6396) no Hoare annotation was computed. [2022-11-19 07:38:07,144 INFO L902 garLoopResultBuilder]: At program point L6396(line 6396) the Hoare annotation is: true [2022-11-19 07:38:07,144 INFO L899 garLoopResultBuilder]: For program point L6413(line 6413) no Hoare annotation was computed. [2022-11-19 07:38:07,144 INFO L899 garLoopResultBuilder]: For program point L6376-1(line 6376) no Hoare annotation was computed. [2022-11-19 07:38:07,144 INFO L902 garLoopResultBuilder]: At program point L8073-1(line 8073) the Hoare annotation is: true [2022-11-19 07:38:07,144 INFO L902 garLoopResultBuilder]: At program point L6376(line 6376) the Hoare annotation is: true [2022-11-19 07:38:07,144 INFO L902 garLoopResultBuilder]: At program point L8073(line 8073) the Hoare annotation is: true [2022-11-19 07:38:07,144 INFO L902 garLoopResultBuilder]: At program point L6401(lines 6366 6415) the Hoare annotation is: true [2022-11-19 07:38:07,145 INFO L899 garLoopResultBuilder]: For program point L6389(lines 6389 6393) no Hoare annotation was computed. [2022-11-19 07:38:07,145 INFO L899 garLoopResultBuilder]: For program point L6385(lines 6385 6388) no Hoare annotation was computed. [2022-11-19 07:38:07,145 INFO L902 garLoopResultBuilder]: At program point L6406(lines 6366 6415) the Hoare annotation is: true [2022-11-19 07:38:07,145 INFO L899 garLoopResultBuilder]: For program point L6377(lines 6377 6380) no Hoare annotation was computed. [2022-11-19 07:38:07,145 INFO L902 garLoopResultBuilder]: At program point L6402(lines 6402 6405) the Hoare annotation is: true [2022-11-19 07:38:07,146 INFO L899 garLoopResultBuilder]: For program point usb_get_intfdataEXIT(lines 6138 6145) no Hoare annotation was computed. [2022-11-19 07:38:07,146 INFO L902 garLoopResultBuilder]: At program point usb_get_intfdataENTRY(lines 6138 6145) the Hoare annotation is: true [2022-11-19 07:38:07,146 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8508 8510) no Hoare annotation was computed. [2022-11-19 07:38:07,146 INFO L902 garLoopResultBuilder]: At program point usb_submit_urbENTRY(lines 8508 8510) the Hoare annotation is: true [2022-11-19 07:38:07,146 INFO L899 garLoopResultBuilder]: For program point L6434-1(line 6434) no Hoare annotation was computed. [2022-11-19 07:38:07,146 INFO L899 garLoopResultBuilder]: For program point L6426(lines 6426 6429) no Hoare annotation was computed. [2022-11-19 07:38:07,147 INFO L902 garLoopResultBuilder]: At program point kvaser_usb_send_simple_msgENTRY(lines 6417 6438) the Hoare annotation is: true [2022-11-19 07:38:07,147 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_send_simple_msgFINAL(lines 6417 6438) no Hoare annotation was computed. [2022-11-19 07:38:07,147 INFO L899 garLoopResultBuilder]: For program point L6424-1(line 6424) no Hoare annotation was computed. [2022-11-19 07:38:07,147 INFO L902 garLoopResultBuilder]: At program point L6424(line 6424) the Hoare annotation is: true [2022-11-19 07:38:07,147 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_send_simple_msgEXIT(lines 6417 6438) no Hoare annotation was computed. [2022-11-19 07:38:07,147 INFO L902 garLoopResultBuilder]: At program point L6434(line 6434) the Hoare annotation is: true [2022-11-19 07:38:07,148 INFO L899 garLoopResultBuilder]: For program point L6435-1(line 6435) no Hoare annotation was computed. [2022-11-19 07:38:07,148 INFO L902 garLoopResultBuilder]: At program point L6435(line 6435) the Hoare annotation is: true [2022-11-19 07:38:07,148 INFO L902 garLoopResultBuilder]: At program point usb_bulk_msgENTRY(lines 8488 8490) the Hoare annotation is: true [2022-11-19 07:38:07,148 INFO L899 garLoopResultBuilder]: For program point usb_bulk_msgEXIT(lines 8488 8490) no Hoare annotation was computed. [2022-11-19 07:38:07,148 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 5887 5893) no Hoare annotation was computed. [2022-11-19 07:38:07,148 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 5887 5893) the Hoare annotation is: true [2022-11-19 07:38:07,148 INFO L902 garLoopResultBuilder]: At program point usb_free_coherentENTRY(lines 8494 8496) the Hoare annotation is: true [2022-11-19 07:38:07,149 INFO L899 garLoopResultBuilder]: For program point usb_free_coherentEXIT(lines 8494 8496) no Hoare annotation was computed. [2022-11-19 07:38:07,149 INFO L899 garLoopResultBuilder]: For program point usb_endpoint_xfer_bulkEXIT(lines 6092 6097) no Hoare annotation was computed. [2022-11-19 07:38:07,149 INFO L902 garLoopResultBuilder]: At program point usb_endpoint_xfer_bulkENTRY(lines 6092 6097) the Hoare annotation is: true [2022-11-19 07:38:07,149 INFO L902 garLoopResultBuilder]: At program point atomic_decENTRY(lines 5775 5781) the Hoare annotation is: true [2022-11-19 07:38:07,149 INFO L899 garLoopResultBuilder]: For program point atomic_decEXIT(lines 5775 5781) no Hoare annotation was computed. [2022-11-19 07:38:07,149 INFO L902 garLoopResultBuilder]: At program point L7616(lines 7616 7619) the Hoare annotation is: true [2022-11-19 07:38:07,150 INFO L899 garLoopResultBuilder]: For program point L7612-1(line 7612) no Hoare annotation was computed. [2022-11-19 07:38:07,150 INFO L902 garLoopResultBuilder]: At program point L7612(line 7612) the Hoare annotation is: true [2022-11-19 07:38:07,150 INFO L899 garLoopResultBuilder]: For program point L7608(lines 7608 7611) no Hoare annotation was computed. [2022-11-19 07:38:07,150 INFO L902 garLoopResultBuilder]: At program point L7600(lines 7600 7603) the Hoare annotation is: true [2022-11-19 07:38:07,150 INFO L902 garLoopResultBuilder]: At program point L7229(lines 7222 7249) the Hoare annotation is: true [2022-11-19 07:38:07,150 INFO L902 garLoopResultBuilder]: At program point L7613(lines 7588 7621) the Hoare annotation is: true [2022-11-19 07:38:07,150 INFO L899 garLoopResultBuilder]: For program point L7238(lines 7238 7241) no Hoare annotation was computed. [2022-11-19 07:38:07,151 INFO L899 garLoopResultBuilder]: For program point L7238-1(lines 7238 7241) no Hoare annotation was computed. [2022-11-19 07:38:07,151 INFO L902 garLoopResultBuilder]: At program point L7243(lines 7222 7249) the Hoare annotation is: true [2022-11-19 07:38:07,151 INFO L902 garLoopResultBuilder]: At program point L7239(line 7239) the Hoare annotation is: true [2022-11-19 07:38:07,151 INFO L902 garLoopResultBuilder]: At program point L7615(lines 7588 7621) the Hoare annotation is: true [2022-11-19 07:38:07,151 INFO L899 garLoopResultBuilder]: For program point L7227-1(line 7227) no Hoare annotation was computed. [2022-11-19 07:38:07,151 INFO L902 garLoopResultBuilder]: At program point L7227(line 7227) the Hoare annotation is: true [2022-11-19 07:38:07,152 INFO L899 garLoopResultBuilder]: For program point L7223-1(line 7223) no Hoare annotation was computed. [2022-11-19 07:38:07,152 INFO L902 garLoopResultBuilder]: At program point L7223(line 7223) the Hoare annotation is: true [2022-11-19 07:38:07,152 INFO L902 garLoopResultBuilder]: At program point L7599(lines 7588 7621) the Hoare annotation is: true [2022-11-19 07:38:07,152 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_remove_interfacesEXIT(lines 7585 7622) no Hoare annotation was computed. [2022-11-19 07:38:07,152 INFO L902 garLoopResultBuilder]: At program point kvaser_usb_remove_interfacesENTRY(lines 7585 7622) the Hoare annotation is: true [2022-11-19 07:38:07,152 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-19 07:38:07,152 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-19 07:38:07,153 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2022-11-19 07:38:07,153 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:38:07,153 INFO L902 garLoopResultBuilder]: At program point wait_for_completion_timeoutENTRY(lines 8515 8517) the Hoare annotation is: true [2022-11-19 07:38:07,153 INFO L899 garLoopResultBuilder]: For program point wait_for_completion_timeoutEXIT(lines 8515 8517) no Hoare annotation was computed. [2022-11-19 07:38:07,153 INFO L899 garLoopResultBuilder]: For program point usb_free_urbEXIT(lines 8497 8499) no Hoare annotation was computed. [2022-11-19 07:38:07,153 INFO L902 garLoopResultBuilder]: At program point usb_free_urbENTRY(lines 8497 8499) the Hoare annotation is: true [2022-11-19 07:38:07,153 INFO L902 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 6213 6218) the Hoare annotation is: true [2022-11-19 07:38:07,154 INFO L899 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6213 6218) no Hoare annotation was computed. [2022-11-19 07:38:07,154 INFO L899 garLoopResultBuilder]: For program point L5842-1(line 5842) no Hoare annotation was computed. [2022-11-19 07:38:07,154 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 5830 5846) the Hoare annotation is: true [2022-11-19 07:38:07,154 INFO L899 garLoopResultBuilder]: For program point L5837(lines 5837 5844) no Hoare annotation was computed. [2022-11-19 07:38:07,154 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5830 5846) no Hoare annotation was computed. [2022-11-19 07:38:07,154 INFO L902 garLoopResultBuilder]: At program point L5842(line 5842) the Hoare annotation is: true [2022-11-19 07:38:07,154 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5830 5846) no Hoare annotation was computed. [2022-11-19 07:38:07,155 INFO L902 garLoopResultBuilder]: At program point usb_anchor_urbENTRY(lines 8484 8486) the Hoare annotation is: true [2022-11-19 07:38:07,155 INFO L899 garLoopResultBuilder]: For program point usb_anchor_urbEXIT(lines 8484 8486) no Hoare annotation was computed. [2022-11-19 07:38:07,155 INFO L899 garLoopResultBuilder]: For program point ldv_check_alloc_flagsEXIT(lines 8260 8269) no Hoare annotation was computed. [2022-11-19 07:38:07,155 INFO L902 garLoopResultBuilder]: At program point ldv_check_alloc_flagsENTRY(lines 8260 8269) the Hoare annotation is: true [2022-11-19 07:38:07,155 INFO L899 garLoopResultBuilder]: For program point L8263(lines 8263 8266) no Hoare annotation was computed. [2022-11-19 07:38:07,155 INFO L899 garLoopResultBuilder]: For program point L8265-1(lines 8260 8269) no Hoare annotation was computed. [2022-11-19 07:38:07,156 INFO L895 garLoopResultBuilder]: At program point L8265(line 8265) the Hoare annotation is: (not (= ~ldv_spin~0 0)) [2022-11-19 07:38:07,156 INFO L902 garLoopResultBuilder]: At program point usb_kill_anchored_urbsENTRY(lines 8500 8502) the Hoare annotation is: true [2022-11-19 07:38:07,156 INFO L899 garLoopResultBuilder]: For program point usb_kill_anchored_urbsEXIT(lines 8500 8502) no Hoare annotation was computed. [2022-11-19 07:38:07,156 INFO L899 garLoopResultBuilder]: For program point kfreeEXIT(lines 8522 8524) no Hoare annotation was computed. [2022-11-19 07:38:07,156 INFO L902 garLoopResultBuilder]: At program point kfreeENTRY(lines 8522 8524) the Hoare annotation is: true [2022-11-19 07:38:07,156 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-19 07:38:07,157 INFO L902 garLoopResultBuilder]: At program point L6173(line 6173) the Hoare annotation is: true [2022-11-19 07:38:07,157 INFO L902 garLoopResultBuilder]: At program point L6173-1(line 6173) the Hoare annotation is: true [2022-11-19 07:38:07,157 INFO L899 garLoopResultBuilder]: For program point init_usb_anchorEXIT(lines 6166 6178) no Hoare annotation was computed. [2022-11-19 07:38:07,157 INFO L902 garLoopResultBuilder]: At program point init_usb_anchorENTRY(lines 6166 6178) the Hoare annotation is: true [2022-11-19 07:38:07,157 INFO L899 garLoopResultBuilder]: For program point warn_slowpath_nullEXIT(lines 8518 8520) no Hoare annotation was computed. [2022-11-19 07:38:07,157 INFO L902 garLoopResultBuilder]: At program point warn_slowpath_nullENTRY(lines 8518 8520) the Hoare annotation is: true [2022-11-19 07:38:07,158 INFO L902 garLoopResultBuilder]: At program point init_completionENTRY(lines 5790 5798) the Hoare annotation is: true [2022-11-19 07:38:07,158 INFO L899 garLoopResultBuilder]: For program point init_completionEXIT(lines 5790 5798) no Hoare annotation was computed. [2022-11-19 07:38:07,158 INFO L902 garLoopResultBuilder]: At program point L5795(line 5795) the Hoare annotation is: true [2022-11-19 07:38:07,158 INFO L899 garLoopResultBuilder]: For program point L5795-1(line 5795) no Hoare annotation was computed. [2022-11-19 07:38:07,158 INFO L902 garLoopResultBuilder]: At program point msecs_to_jiffiesENTRY(lines 8425 8427) the Hoare annotation is: true [2022-11-19 07:38:07,158 INFO L899 garLoopResultBuilder]: For program point msecs_to_jiffiesEXIT(lines 8425 8427) no Hoare annotation was computed. [2022-11-19 07:38:07,158 INFO L902 garLoopResultBuilder]: At program point usb_fill_bulk_urbENTRY(lines 6179 6193) the Hoare annotation is: true [2022-11-19 07:38:07,159 INFO L899 garLoopResultBuilder]: For program point usb_fill_bulk_urbEXIT(lines 6179 6193) no Hoare annotation was computed. [2022-11-19 07:38:07,159 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 5880 5886) the Hoare annotation is: true [2022-11-19 07:38:07,159 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5884) no Hoare annotation was computed. [2022-11-19 07:38:07,159 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5880 5886) no Hoare annotation was computed. [2022-11-19 07:38:07,159 INFO L902 garLoopResultBuilder]: At program point netif_device_detachENTRY(lines 8446 8448) the Hoare annotation is: true [2022-11-19 07:38:07,159 INFO L899 garLoopResultBuilder]: For program point netif_device_detachEXIT(lines 8446 8448) no Hoare annotation was computed. [2022-11-19 07:38:07,160 INFO L902 garLoopResultBuilder]: At program point kmallocENTRY(lines 8061 8068) the Hoare annotation is: true [2022-11-19 07:38:07,160 INFO L902 garLoopResultBuilder]: At program point L5808-1(line 5808) the Hoare annotation is: true [2022-11-19 07:38:07,160 INFO L899 garLoopResultBuilder]: For program point L8064-1(line 8064) no Hoare annotation was computed. [2022-11-19 07:38:07,160 INFO L902 garLoopResultBuilder]: At program point L8064(line 8064) the Hoare annotation is: true [2022-11-19 07:38:07,160 INFO L902 garLoopResultBuilder]: At program point L5808(line 5808) the Hoare annotation is: true [2022-11-19 07:38:07,160 INFO L899 garLoopResultBuilder]: For program point kmallocEXIT(lines 8061 8068) no Hoare annotation was computed. [2022-11-19 07:38:07,160 INFO L902 garLoopResultBuilder]: At program point L6608(lines 6600 6614) the Hoare annotation is: true [2022-11-19 07:38:07,161 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_unlink_tx_urbsEXIT(lines 6597 6615) no Hoare annotation was computed. [2022-11-19 07:38:07,161 INFO L899 garLoopResultBuilder]: For program point L6602(line 6602) no Hoare annotation was computed. [2022-11-19 07:38:07,161 INFO L902 garLoopResultBuilder]: At program point kvaser_usb_unlink_tx_urbsENTRY(lines 6597 6615) the Hoare annotation is: true [2022-11-19 07:38:07,161 INFO L902 garLoopResultBuilder]: At program point L6601-1(line 6601) the Hoare annotation is: true [2022-11-19 07:38:07,161 INFO L902 garLoopResultBuilder]: At program point L6601(line 6601) the Hoare annotation is: true [2022-11-19 07:38:07,161 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 5894 5899) the Hoare annotation is: true [2022-11-19 07:38:07,161 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 5894 5899) no Hoare annotation was computed. [2022-11-19 07:38:07,162 INFO L902 garLoopResultBuilder]: At program point netdev_privENTRY(lines 5971 5976) the Hoare annotation is: true [2022-11-19 07:38:07,162 INFO L899 garLoopResultBuilder]: For program point netdev_privEXIT(lines 5971 5976) no Hoare annotation was computed. [2022-11-19 07:38:07,162 INFO L899 garLoopResultBuilder]: For program point usb_unanchor_urbEXIT(lines 8511 8513) no Hoare annotation was computed. [2022-11-19 07:38:07,162 INFO L902 garLoopResultBuilder]: At program point usb_unanchor_urbENTRY(lines 8511 8513) the Hoare annotation is: true [2022-11-19 07:38:07,162 INFO L902 garLoopResultBuilder]: At program point usb_set_intfdataENTRY(lines 6146 6152) the Hoare annotation is: true [2022-11-19 07:38:07,162 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6146 6152) no Hoare annotation was computed. [2022-11-19 07:38:07,163 INFO L899 garLoopResultBuilder]: For program point netdev_get_tx_queueEXIT(lines 5964 5970) no Hoare annotation was computed. [2022-11-19 07:38:07,163 INFO L902 garLoopResultBuilder]: At program point netdev_get_tx_queueENTRY(lines 5964 5970) the Hoare annotation is: true [2022-11-19 07:38:07,163 INFO L902 garLoopResultBuilder]: At program point __init_waitqueue_headENTRY(lines 8328 8330) the Hoare annotation is: true [2022-11-19 07:38:07,163 INFO L899 garLoopResultBuilder]: For program point __init_waitqueue_headEXIT(lines 8328 8330) no Hoare annotation was computed. [2022-11-19 07:38:07,163 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_send_msgEXIT(lines 6341 6352) no Hoare annotation was computed. [2022-11-19 07:38:07,163 INFO L899 garLoopResultBuilder]: For program point L6347-1(line 6347) no Hoare annotation was computed. [2022-11-19 07:38:07,163 INFO L902 garLoopResultBuilder]: At program point L6347(line 6347) the Hoare annotation is: true [2022-11-19 07:38:07,164 INFO L899 garLoopResultBuilder]: For program point L6348-1(lines 6348 6349) no Hoare annotation was computed. [2022-11-19 07:38:07,164 INFO L902 garLoopResultBuilder]: At program point L6348(lines 6348 6349) the Hoare annotation is: true [2022-11-19 07:38:07,164 INFO L902 garLoopResultBuilder]: At program point kvaser_usb_send_msgENTRY(lines 6341 6352) the Hoare annotation is: true [2022-11-19 07:38:07,164 INFO L899 garLoopResultBuilder]: For program point close_candevEXIT(lines 8374 8376) no Hoare annotation was computed. [2022-11-19 07:38:07,164 INFO L902 garLoopResultBuilder]: At program point close_candevENTRY(lines 8374 8376) the Hoare annotation is: true [2022-11-19 07:38:07,164 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5827 5829) the Hoare annotation is: true [2022-11-19 07:38:07,164 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5827 5829) no Hoare annotation was computed. [2022-11-19 07:38:07,165 INFO L899 garLoopResultBuilder]: For program point free_candevEXIT(lines 8398 8400) no Hoare annotation was computed. [2022-11-19 07:38:07,165 INFO L902 garLoopResultBuilder]: At program point free_candevENTRY(lines 8398 8400) the Hoare annotation is: true [2022-11-19 07:38:07,165 INFO L899 garLoopResultBuilder]: For program point netif_stop_queueEXIT(lines 6037 6045) no Hoare annotation was computed. [2022-11-19 07:38:07,165 INFO L902 garLoopResultBuilder]: At program point L6041(line 6041) the Hoare annotation is: true [2022-11-19 07:38:07,165 INFO L899 garLoopResultBuilder]: For program point L6041-1(line 6041) no Hoare annotation was computed. [2022-11-19 07:38:07,165 INFO L902 garLoopResultBuilder]: At program point netif_stop_queueENTRY(lines 6037 6045) the Hoare annotation is: true [2022-11-19 07:38:07,165 INFO L902 garLoopResultBuilder]: At program point L6027(line 6027) the Hoare annotation is: true [2022-11-19 07:38:07,166 INFO L899 garLoopResultBuilder]: For program point L6023(lines 6023 6026) no Hoare annotation was computed. [2022-11-19 07:38:07,166 INFO L902 garLoopResultBuilder]: At program point L6022(line 6022) the Hoare annotation is: true [2022-11-19 07:38:07,166 INFO L902 garLoopResultBuilder]: At program point L6023-1(lines 6023 6026) the Hoare annotation is: true [2022-11-19 07:38:07,166 INFO L902 garLoopResultBuilder]: At program point L6024(line 6024) the Hoare annotation is: true [2022-11-19 07:38:07,166 INFO L899 garLoopResultBuilder]: For program point L6022-1(line 6022) no Hoare annotation was computed. [2022-11-19 07:38:07,166 INFO L902 garLoopResultBuilder]: At program point usb_alloc_urbENTRY(lines 8481 8483) the Hoare annotation is: true [2022-11-19 07:38:07,166 INFO L899 garLoopResultBuilder]: For program point L8482-1(line 8482) no Hoare annotation was computed. [2022-11-19 07:38:07,167 INFO L902 garLoopResultBuilder]: At program point L8482(line 8482) the Hoare annotation is: true [2022-11-19 07:38:07,167 INFO L899 garLoopResultBuilder]: For program point usb_alloc_urbEXIT(lines 8481 8483) no Hoare annotation was computed. [2022-11-19 07:38:07,167 INFO L899 garLoopResultBuilder]: For program point L5854(lines 5854 5861) no Hoare annotation was computed. [2022-11-19 07:38:07,167 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 5847 5863) no Hoare annotation was computed. [2022-11-19 07:38:07,167 INFO L902 garLoopResultBuilder]: At program point L5859(line 5859) the Hoare annotation is: true [2022-11-19 07:38:07,167 INFO L902 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 5847 5863) the Hoare annotation is: true [2022-11-19 07:38:07,167 INFO L899 garLoopResultBuilder]: For program point L5859-1(line 5859) no Hoare annotation was computed. [2022-11-19 07:38:07,168 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 5847 5863) no Hoare annotation was computed. [2022-11-19 07:38:07,168 INFO L899 garLoopResultBuilder]: For program point L7104-1(line 7104) no Hoare annotation was computed. [2022-11-19 07:38:07,168 INFO L895 garLoopResultBuilder]: At program point L7104(line 7104) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,168 INFO L899 garLoopResultBuilder]: For program point L7170-1(line 7170) no Hoare annotation was computed. [2022-11-19 07:38:07,168 INFO L895 garLoopResultBuilder]: At program point L7765(lines 7765 7769) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,168 INFO L899 garLoopResultBuilder]: For program point L6444-1(line 6444) no Hoare annotation was computed. [2022-11-19 07:38:07,169 INFO L895 garLoopResultBuilder]: At program point L6444(line 6444) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,169 INFO L899 garLoopResultBuilder]: For program point L7171-1(line 7171) no Hoare annotation was computed. [2022-11-19 07:38:07,169 INFO L895 garLoopResultBuilder]: At program point L7171(line 7171) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,169 INFO L895 garLoopResultBuilder]: At program point L7105(line 7105) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,169 INFO L899 garLoopResultBuilder]: For program point L7832-1(line 7832) no Hoare annotation was computed. [2022-11-19 07:38:07,169 INFO L895 garLoopResultBuilder]: At program point L7832(line 7832) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,169 INFO L895 garLoopResultBuilder]: At program point L7502(lines 7372 7504) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,170 INFO L899 garLoopResultBuilder]: For program point L7436-1(lines 7436 7437) no Hoare annotation was computed. [2022-11-19 07:38:07,170 INFO L895 garLoopResultBuilder]: At program point L7436(lines 7436 7437) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,170 INFO L899 garLoopResultBuilder]: For program point L6445(lines 6445 6448) no Hoare annotation was computed. [2022-11-19 07:38:07,170 INFO L899 garLoopResultBuilder]: For program point L6247(lines 6247 6250) no Hoare annotation was computed. [2022-11-19 07:38:07,170 INFO L899 garLoopResultBuilder]: For program point L7304-1(line 7304) no Hoare annotation was computed. [2022-11-19 07:38:07,170 INFO L895 garLoopResultBuilder]: At program point L7304(line 7304) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,171 INFO L895 garLoopResultBuilder]: At program point L7701(lines 7623 7703) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,171 INFO L895 garLoopResultBuilder]: At program point L7834(line 7834) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,171 INFO L899 garLoopResultBuilder]: For program point L7834-1(lines 7831 7841) no Hoare annotation was computed. [2022-11-19 07:38:07,171 INFO L899 garLoopResultBuilder]: For program point L7636-1(line 7636) no Hoare annotation was computed. [2022-11-19 07:38:07,171 INFO L895 garLoopResultBuilder]: At program point L7636(line 7636) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,171 INFO L895 garLoopResultBuilder]: At program point L8231-1(line 8231) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,171 INFO L895 garLoopResultBuilder]: At program point L8231(line 8231) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,172 INFO L895 garLoopResultBuilder]: At program point L8232(line 8232) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,172 INFO L899 garLoopResultBuilder]: For program point L6449-1(line 6449) no Hoare annotation was computed. [2022-11-19 07:38:07,172 INFO L895 garLoopResultBuilder]: At program point L6449(line 6449) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,172 INFO L895 garLoopResultBuilder]: At program point L7176(lines 7158 7178) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,172 INFO L895 garLoopResultBuilder]: At program point L8035(line 8035) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,172 INFO L899 garLoopResultBuilder]: For program point L7903-1(line 7903) no Hoare annotation was computed. [2022-11-19 07:38:07,173 INFO L895 garLoopResultBuilder]: At program point L7903(line 7903) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2022-11-19 07:38:07,173 INFO L895 garLoopResultBuilder]: At program point L7771-1(line 7771) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,173 INFO L895 garLoopResultBuilder]: At program point L7771(line 7771) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,173 INFO L899 garLoopResultBuilder]: For program point L7639(lines 7639 7643) no Hoare annotation was computed. [2022-11-19 07:38:07,173 INFO L899 garLoopResultBuilder]: For program point L7111-1(line 7111) no Hoare annotation was computed. [2022-11-19 07:38:07,173 INFO L895 garLoopResultBuilder]: At program point L7111(line 7111) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,173 INFO L902 garLoopResultBuilder]: At program point L7970(lines 7902 8059) the Hoare annotation is: true [2022-11-19 07:38:07,174 INFO L899 garLoopResultBuilder]: For program point L7772(line 7772) no Hoare annotation was computed. [2022-11-19 07:38:07,174 INFO L895 garLoopResultBuilder]: At program point L6253(lines 6226 6260) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,174 INFO L895 garLoopResultBuilder]: At program point L7839-1(lines 7827 7842) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,174 INFO L895 garLoopResultBuilder]: At program point L7839(line 7839) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,174 INFO L895 garLoopResultBuilder]: At program point L7905-1(line 7905) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2022-11-19 07:38:07,174 INFO L895 garLoopResultBuilder]: At program point L7905(line 7905) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0)) [2022-11-19 07:38:07,175 INFO L899 garLoopResultBuilder]: For program point L7311-1(line 7311) no Hoare annotation was computed. [2022-11-19 07:38:07,175 INFO L895 garLoopResultBuilder]: At program point L7311(line 7311) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,175 INFO L895 garLoopResultBuilder]: At program point L7113(lines 7068 7130) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,175 INFO L899 garLoopResultBuilder]: For program point L7445(lines 7445 7449) no Hoare annotation was computed. [2022-11-19 07:38:07,175 INFO L895 garLoopResultBuilder]: At program point L6124-1(line 6124) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,175 INFO L895 garLoopResultBuilder]: At program point L6124(line 6124) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,175 INFO L899 garLoopResultBuilder]: For program point L7776(line 7776) no Hoare annotation was computed. [2022-11-19 07:38:07,176 INFO L899 garLoopResultBuilder]: For program point L7644-1(line 7644) no Hoare annotation was computed. [2022-11-19 07:38:07,176 INFO L895 garLoopResultBuilder]: At program point L7644(line 7644) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,176 INFO L895 garLoopResultBuilder]: At program point L6455(lines 6439 6457) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,176 INFO L899 garLoopResultBuilder]: For program point L7976(line 7976) no Hoare annotation was computed. [2022-11-19 07:38:07,176 INFO L895 garLoopResultBuilder]: At program point L7778(lines 7755 7825) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,176 INFO L895 garLoopResultBuilder]: At program point L7646(line 7646) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,177 INFO L895 garLoopResultBuilder]: At program point L7646-1(line 7646) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,177 INFO L895 garLoopResultBuilder]: At program point L6259(lines 6219 6261) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,177 INFO L895 garLoopResultBuilder]: At program point L7118(lines 7068 7130) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,177 INFO L902 garLoopResultBuilder]: At program point L7977(line 7977) the Hoare annotation is: true [2022-11-19 07:38:07,177 INFO L895 garLoopResultBuilder]: At program point L7647(line 7647) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,177 INFO L899 garLoopResultBuilder]: For program point L8044(line 8044) no Hoare annotation was computed. [2022-11-19 07:38:07,178 INFO L895 garLoopResultBuilder]: At program point L7780(lines 7755 7825) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,178 INFO L895 garLoopResultBuilder]: At program point L7648(line 7648) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,178 INFO L895 garLoopResultBuilder]: At program point L7186(line 7186) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,178 INFO L895 garLoopResultBuilder]: At program point L7186-1(line 7186) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,178 INFO L902 garLoopResultBuilder]: At program point L8045(line 8045) the Hoare annotation is: true [2022-11-19 07:38:07,178 INFO L899 garLoopResultBuilder]: For program point L7649(line 7649) no Hoare annotation was computed. [2022-11-19 07:38:07,178 INFO L895 garLoopResultBuilder]: At program point L7451(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,179 INFO L899 garLoopResultBuilder]: For program point L7916(lines 7916 8053) no Hoare annotation was computed. [2022-11-19 07:38:07,179 INFO L899 garLoopResultBuilder]: For program point L7718(lines 7718 7725) no Hoare annotation was computed. [2022-11-19 07:38:07,179 INFO L899 garLoopResultBuilder]: For program point L7784(lines 7784 7789) no Hoare annotation was computed. [2022-11-19 07:38:07,179 INFO L899 garLoopResultBuilder]: For program point L7718-1(lines 7718 7725) no Hoare annotation was computed. [2022-11-19 07:38:07,179 INFO L899 garLoopResultBuilder]: For program point L6463-1(line 6463) no Hoare annotation was computed. [2022-11-19 07:38:07,179 INFO L895 garLoopResultBuilder]: At program point L6463(line 6463) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,179 INFO L899 garLoopResultBuilder]: For program point L7190(lines 7190 7193) no Hoare annotation was computed. [2022-11-19 07:38:07,180 INFO L899 garLoopResultBuilder]: For program point L7983(line 7983) no Hoare annotation was computed. [2022-11-19 07:38:07,180 INFO L899 garLoopResultBuilder]: For program point L7917(line 7917) no Hoare annotation was computed. [2022-11-19 07:38:07,180 INFO L899 garLoopResultBuilder]: For program point L6464(lines 6464 6467) no Hoare annotation was computed. [2022-11-19 07:38:07,180 INFO L899 garLoopResultBuilder]: For program point L7257-1(line 7257) no Hoare annotation was computed. [2022-11-19 07:38:07,180 INFO L895 garLoopResultBuilder]: At program point L7257(line 7257) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,180 INFO L899 garLoopResultBuilder]: For program point L7918(lines 7918 7945) no Hoare annotation was computed. [2022-11-19 07:38:07,180 INFO L899 garLoopResultBuilder]: For program point L7984(lines 7984 8049) no Hoare annotation was computed. [2022-11-19 07:38:07,181 INFO L895 garLoopResultBuilder]: At program point L7456(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,181 INFO L895 garLoopResultBuilder]: At program point L7258(line 7258) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,181 INFO L895 garLoopResultBuilder]: At program point L7324-1(line 7324) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,181 INFO L895 garLoopResultBuilder]: At program point L7324(line 7324) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,181 INFO L899 garLoopResultBuilder]: For program point L7258-1(line 7258) no Hoare annotation was computed. [2022-11-19 07:38:07,181 INFO L899 garLoopResultBuilder]: For program point L8051(line 8051) no Hoare annotation was computed. [2022-11-19 07:38:07,181 INFO L895 garLoopResultBuilder]: At program point L7655(lines 7635 7702) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,182 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:38:07,182 INFO L899 garLoopResultBuilder]: For program point L7259(lines 7259 7262) no Hoare annotation was computed. [2022-11-19 07:38:07,182 INFO L899 garLoopResultBuilder]: For program point L7986(lines 7986 8046) no Hoare annotation was computed. [2022-11-19 07:38:07,182 INFO L902 garLoopResultBuilder]: At program point L8052(line 8052) the Hoare annotation is: true [2022-11-19 07:38:07,182 INFO L899 garLoopResultBuilder]: For program point L7920(lines 7920 7942) no Hoare annotation was computed. [2022-11-19 07:38:07,182 INFO L899 garLoopResultBuilder]: For program point L7987(line 7987) no Hoare annotation was computed. [2022-11-19 07:38:07,182 INFO L899 garLoopResultBuilder]: For program point L7921(line 7921) no Hoare annotation was computed. [2022-11-19 07:38:07,183 INFO L899 garLoopResultBuilder]: For program point L6468-1(line 6468) no Hoare annotation was computed. [2022-11-19 07:38:07,183 INFO L895 garLoopResultBuilder]: At program point L6468(line 6468) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,183 INFO L899 garLoopResultBuilder]: For program point L7393-1(line 7393) no Hoare annotation was computed. [2022-11-19 07:38:07,183 INFO L895 garLoopResultBuilder]: At program point L7393(line 7393) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,183 INFO L899 garLoopResultBuilder]: For program point L7195(lines 7195 7198) no Hoare annotation was computed. [2022-11-19 07:38:07,183 INFO L895 garLoopResultBuilder]: At program point L8054(lines 7902 8059) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,184 INFO L895 garLoopResultBuilder]: At program point L7129(lines 7059 7131) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,184 INFO L899 garLoopResultBuilder]: For program point L7922(lines 7922 7930) no Hoare annotation was computed. [2022-11-19 07:38:07,184 INFO L899 garLoopResultBuilder]: For program point L7988(lines 7988 7992) no Hoare annotation was computed. [2022-11-19 07:38:07,184 INFO L899 garLoopResultBuilder]: For program point L7791(lines 7791 7796) no Hoare annotation was computed. [2022-11-19 07:38:07,184 INFO L899 garLoopResultBuilder]: For program point L7263-1(line 7263) no Hoare annotation was computed. [2022-11-19 07:38:07,184 INFO L895 garLoopResultBuilder]: At program point L7263(line 7263) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,184 INFO L899 garLoopResultBuilder]: For program point L7726(lines 7726 7733) no Hoare annotation was computed. [2022-11-19 07:38:07,184 INFO L899 garLoopResultBuilder]: For program point L7726-1(lines 7726 7733) no Hoare annotation was computed. [2022-11-19 07:38:07,185 INFO L899 garLoopResultBuilder]: For program point L7264-1(line 7264) no Hoare annotation was computed. [2022-11-19 07:38:07,185 INFO L895 garLoopResultBuilder]: At program point L7264(line 7264) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,185 INFO L899 garLoopResultBuilder]: For program point L7200(lines 7200 7203) no Hoare annotation was computed. [2022-11-19 07:38:07,185 INFO L899 garLoopResultBuilder]: For program point L7994(line 7994) no Hoare annotation was computed. [2022-11-19 07:38:07,185 INFO L899 garLoopResultBuilder]: For program point L7070(lines 7070 7073) no Hoare annotation was computed. [2022-11-19 07:38:07,185 INFO L899 garLoopResultBuilder]: For program point L7995(lines 7995 7999) no Hoare annotation was computed. [2022-11-19 07:38:07,185 INFO L899 garLoopResultBuilder]: For program point L7995-2(lines 7986 8046) no Hoare annotation was computed. [2022-11-19 07:38:07,186 INFO L899 garLoopResultBuilder]: For program point L7467-1(line 7467) no Hoare annotation was computed. [2022-11-19 07:38:07,186 INFO L895 garLoopResultBuilder]: At program point L7467(line 7467) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,186 INFO L899 garLoopResultBuilder]: For program point L7401(lines 7401 7404) no Hoare annotation was computed. [2022-11-19 07:38:07,186 INFO L895 garLoopResultBuilder]: At program point L7269(lines 7251 7271) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,186 INFO L899 garLoopResultBuilder]: For program point L7996-1(line 7996) no Hoare annotation was computed. [2022-11-19 07:38:07,186 INFO L895 garLoopResultBuilder]: At program point L7996(line 7996) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,186 INFO L899 garLoopResultBuilder]: For program point L7468-1(lines 7468 7469) no Hoare annotation was computed. [2022-11-19 07:38:07,187 INFO L895 garLoopResultBuilder]: At program point L7468(lines 7468 7469) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,187 INFO L895 garLoopResultBuilder]: At program point L8195-1(line 8195) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,187 INFO L895 garLoopResultBuilder]: At program point L7138(line 7138) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,187 INFO L895 garLoopResultBuilder]: At program point L8195(line 8195) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,187 INFO L899 garLoopResultBuilder]: For program point L7138-1(line 7138) no Hoare annotation was computed. [2022-11-19 07:38:07,187 INFO L895 garLoopResultBuilder]: At program point L6478(lines 6458 6480) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,188 INFO L895 garLoopResultBuilder]: At program point L8196(line 8196) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,188 INFO L899 garLoopResultBuilder]: For program point L7205(lines 7205 7210) no Hoare annotation was computed. [2022-11-19 07:38:07,188 INFO L899 garLoopResultBuilder]: For program point L7932(line 7932) no Hoare annotation was computed. [2022-11-19 07:38:07,188 INFO L899 garLoopResultBuilder]: For program point L7734-2(lines 7734 7737) no Hoare annotation was computed. [2022-11-19 07:38:07,188 INFO L895 garLoopResultBuilder]: At program point L7470(line 7470) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,188 INFO L895 garLoopResultBuilder]: At program point L7470-1(line 7470) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,188 INFO L899 garLoopResultBuilder]: For program point L7140(lines 7140 7143) no Hoare annotation was computed. [2022-11-19 07:38:07,188 INFO L899 garLoopResultBuilder]: For program point L7933(lines 7933 7938) no Hoare annotation was computed. [2022-11-19 07:38:07,189 INFO L895 garLoopResultBuilder]: At program point L8396-1(line 8396) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,189 INFO L895 garLoopResultBuilder]: At program point L8396(line 8396) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,189 INFO L899 garLoopResultBuilder]: For program point L7406(lines 7406 7411) no Hoare annotation was computed. [2022-11-19 07:38:07,189 INFO L895 garLoopResultBuilder]: At program point L7208(lines 7185 7216) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,189 INFO L899 garLoopResultBuilder]: For program point L8001-1(line 8001) no Hoare annotation was computed. [2022-11-19 07:38:07,189 INFO L895 garLoopResultBuilder]: At program point L8001(line 8001) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,190 INFO L899 garLoopResultBuilder]: For program point L7803-1(line 7803) no Hoare annotation was computed. [2022-11-19 07:38:07,190 INFO L895 garLoopResultBuilder]: At program point L7803(line 7803) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,190 INFO L899 garLoopResultBuilder]: For program point L7474(lines 7474 7477) no Hoare annotation was computed. [2022-11-19 07:38:07,190 INFO L899 garLoopResultBuilder]: For program point L7474-1(lines 7474 7477) no Hoare annotation was computed. [2022-11-19 07:38:07,190 INFO L895 garLoopResultBuilder]: At program point L7739(lines 7712 7745) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,190 INFO L895 garLoopResultBuilder]: At program point L7475(line 7475) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,190 INFO L895 garLoopResultBuilder]: At program point L7740(lines 7740 7743) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,191 INFO L895 garLoopResultBuilder]: At program point L7278(line 7278) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,191 INFO L899 garLoopResultBuilder]: For program point L7278-1(line 7278) no Hoare annotation was computed. [2022-11-19 07:38:07,191 INFO L899 garLoopResultBuilder]: For program point L7080(lines 7080 7085) no Hoare annotation was computed. [2022-11-19 07:38:07,191 INFO L899 garLoopResultBuilder]: For program point L8204-1(line 8204) no Hoare annotation was computed. [2022-11-19 07:38:07,191 INFO L895 garLoopResultBuilder]: At program point L8204(line 8204) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,191 INFO L899 garLoopResultBuilder]: For program point L8006(line 8006) no Hoare annotation was computed. [2022-11-19 07:38:07,191 INFO L899 garLoopResultBuilder]: For program point L7940(line 7940) no Hoare annotation was computed. [2022-11-19 07:38:07,192 INFO L899 garLoopResultBuilder]: For program point L7412-1(line 7412) no Hoare annotation was computed. [2022-11-19 07:38:07,192 INFO L895 garLoopResultBuilder]: At program point L7412(line 7412) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,192 INFO L899 garLoopResultBuilder]: For program point L7214(line 7214) no Hoare annotation was computed. [2022-11-19 07:38:07,192 INFO L899 garLoopResultBuilder]: For program point L7280(lines 7280 7283) no Hoare annotation was computed. [2022-11-19 07:38:07,192 INFO L899 garLoopResultBuilder]: For program point L8007(lines 8007 8014) no Hoare annotation was computed. [2022-11-19 07:38:07,192 INFO L902 garLoopResultBuilder]: At program point L7941(line 7941) the Hoare annotation is: true [2022-11-19 07:38:07,192 INFO L899 garLoopResultBuilder]: For program point L7479-1(line 7479) no Hoare annotation was computed. [2022-11-19 07:38:07,193 INFO L895 garLoopResultBuilder]: At program point L7479(line 7479) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,193 INFO L899 garLoopResultBuilder]: For program point L7413(lines 7413 7417) no Hoare annotation was computed. [2022-11-19 07:38:07,193 INFO L895 garLoopResultBuilder]: At program point L7215(lines 7179 7217) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,193 INFO L895 garLoopResultBuilder]: At program point L7876-1(line 7876) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,193 INFO L895 garLoopResultBuilder]: At program point L7876(line 7876) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,193 INFO L895 garLoopResultBuilder]: At program point L7744(lines 7704 7746) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,193 INFO L895 garLoopResultBuilder]: At program point L7480(lines 7480 7493) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,194 INFO L899 garLoopResultBuilder]: For program point L7813(lines 7813 7817) no Hoare annotation was computed. [2022-11-19 07:38:07,194 INFO L895 garLoopResultBuilder]: At program point L7483-1(line 7483) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,194 INFO L895 garLoopResultBuilder]: At program point L7483(line 7483) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,194 INFO L899 garLoopResultBuilder]: For program point L6228(lines 6228 6254) no Hoare annotation was computed. [2022-11-19 07:38:07,194 INFO L899 garLoopResultBuilder]: For program point L7153-1(line 7153) no Hoare annotation was computed. [2022-11-19 07:38:07,194 INFO L895 garLoopResultBuilder]: At program point L7153(line 7153) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,194 INFO L895 garLoopResultBuilder]: At program point L7814(line 7814) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,195 INFO L899 garLoopResultBuilder]: For program point L7814-1(line 7814) no Hoare annotation was computed. [2022-11-19 07:38:07,195 INFO L899 garLoopResultBuilder]: For program point L7484(line 7484) no Hoare annotation was computed. [2022-11-19 07:38:07,195 INFO L895 garLoopResultBuilder]: At program point L7154(line 7154) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,195 INFO L895 garLoopResultBuilder]: At program point L6229(line 6229) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,195 INFO L899 garLoopResultBuilder]: For program point L6229-1(line 6229) no Hoare annotation was computed. [2022-11-19 07:38:07,195 INFO L899 garLoopResultBuilder]: For program point L7088(lines 7088 7094) no Hoare annotation was computed. [2022-11-19 07:38:07,195 INFO L899 garLoopResultBuilder]: For program point L7154-1(line 7154) no Hoare annotation was computed. [2022-11-19 07:38:07,196 INFO L899 garLoopResultBuilder]: For program point L7947(line 7947) no Hoare annotation was computed. [2022-11-19 07:38:07,196 INFO L899 garLoopResultBuilder]: For program point L7683(lines 7683 7689) no Hoare annotation was computed. [2022-11-19 07:38:07,196 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 07:38:07,196 INFO L899 garLoopResultBuilder]: For program point L6230(lines 6230 6238) no Hoare annotation was computed. [2022-11-19 07:38:07,196 INFO L895 garLoopResultBuilder]: At program point L7155(lines 7132 7157) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,196 INFO L899 garLoopResultBuilder]: For program point L7948(lines 7948 7981) no Hoare annotation was computed. [2022-11-19 07:38:07,196 INFO L899 garLoopResultBuilder]: For program point L7486(lines 7486 7490) no Hoare annotation was computed. [2022-11-19 07:38:07,197 INFO L895 garLoopResultBuilder]: At program point L7486-1(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,197 INFO L899 garLoopResultBuilder]: For program point L7288-1(line 7288) no Hoare annotation was computed. [2022-11-19 07:38:07,197 INFO L895 garLoopResultBuilder]: At program point L7288(line 7288) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,197 INFO L895 garLoopResultBuilder]: At program point L7090(line 7090) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,197 INFO L895 garLoopResultBuilder]: At program point L8213-1(line 8213) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,197 INFO L895 garLoopResultBuilder]: At program point L8213(line 8213) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,197 INFO L899 garLoopResultBuilder]: For program point L7090-1(line 7090) no Hoare annotation was computed. [2022-11-19 07:38:07,198 INFO L899 garLoopResultBuilder]: For program point L7685-1(line 7685) no Hoare annotation was computed. [2022-11-19 07:38:07,198 INFO L895 garLoopResultBuilder]: At program point L7685(line 7685) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,198 INFO L895 garLoopResultBuilder]: At program point L7487(line 7487) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,198 INFO L895 garLoopResultBuilder]: At program point L8214(line 8214) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,198 INFO L899 garLoopResultBuilder]: For program point L7289-1(line 7289) no Hoare annotation was computed. [2022-11-19 07:38:07,198 INFO L895 garLoopResultBuilder]: At program point L7289(line 7289) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,198 INFO L899 garLoopResultBuilder]: For program point L7950(lines 7950 7978) no Hoare annotation was computed. [2022-11-19 07:38:07,199 INFO L899 garLoopResultBuilder]: For program point L8016(line 8016) no Hoare annotation was computed. [2022-11-19 07:38:07,199 INFO L895 garLoopResultBuilder]: At program point L7290(lines 7272 7292) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,199 INFO L895 garLoopResultBuilder]: At program point L8479(line 8479) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,199 INFO L895 garLoopResultBuilder]: At program point L8479-1(line 8479) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,199 INFO L895 garLoopResultBuilder]: At program point L6233(line 6233) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,199 INFO L899 garLoopResultBuilder]: For program point L6233-1(line 6233) no Hoare annotation was computed. [2022-11-19 07:38:07,199 INFO L899 garLoopResultBuilder]: For program point L7951(line 7951) no Hoare annotation was computed. [2022-11-19 07:38:07,200 INFO L899 garLoopResultBuilder]: For program point L8017(lines 8017 8021) no Hoare annotation was computed. [2022-11-19 07:38:07,200 INFO L895 garLoopResultBuilder]: At program point L7819(lines 7755 7825) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,200 INFO L895 garLoopResultBuilder]: At program point L7885-1(line 7885) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~ldv_spin~0 0)) [2022-11-19 07:38:07,200 INFO L895 garLoopResultBuilder]: At program point L7885(line 7885) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~ldv_spin~0 0)) [2022-11-19 07:38:07,200 INFO L899 garLoopResultBuilder]: For program point L6234(lines 6234 6237) no Hoare annotation was computed. [2022-11-19 07:38:07,200 INFO L895 garLoopResultBuilder]: At program point L7952(lines 7952 7957) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,201 INFO L895 garLoopResultBuilder]: At program point L7820(lines 7820 7823) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,201 INFO L895 garLoopResultBuilder]: At program point L6104-1(line 6104) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,201 INFO L899 garLoopResultBuilder]: For program point L7095-1(line 7095) no Hoare annotation was computed. [2022-11-19 07:38:07,201 INFO L895 garLoopResultBuilder]: At program point L7095(line 7095) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,201 INFO L895 garLoopResultBuilder]: At program point L6104(line 6104) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,201 INFO L899 garLoopResultBuilder]: For program point L7096-1(lines 7096 7097) no Hoare annotation was computed. [2022-11-19 07:38:07,201 INFO L895 garLoopResultBuilder]: At program point L7096(lines 7096 7097) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,202 INFO L895 garLoopResultBuilder]: At program point L7824(lines 7747 7826) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,202 INFO L895 garLoopResultBuilder]: At program point L7494(line 7494) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,202 INFO L899 garLoopResultBuilder]: For program point L7494-1(line 7494) no Hoare annotation was computed. [2022-11-19 07:38:07,202 INFO L899 garLoopResultBuilder]: For program point L7164-1(line 7164) no Hoare annotation was computed. [2022-11-19 07:38:07,202 INFO L895 garLoopResultBuilder]: At program point L7164(line 7164) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,202 INFO L895 garLoopResultBuilder]: At program point L8023(line 8023) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,202 INFO L899 garLoopResultBuilder]: For program point L7759(lines 7759 7762) no Hoare annotation was computed. [2022-11-19 07:38:07,203 INFO L899 garLoopResultBuilder]: For program point L6240-1(lines 6228 6254) no Hoare annotation was computed. [2022-11-19 07:38:07,203 INFO L895 garLoopResultBuilder]: At program point L8222(line 8222) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,203 INFO L899 garLoopResultBuilder]: For program point L6240(lines 6240 6254) no Hoare annotation was computed. [2022-11-19 07:38:07,203 INFO L899 garLoopResultBuilder]: For program point L7165-1(line 7165) no Hoare annotation was computed. [2022-11-19 07:38:07,203 INFO L895 garLoopResultBuilder]: At program point L7165(line 7165) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,203 INFO L895 garLoopResultBuilder]: At program point L8222-1(line 8222) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,203 INFO L899 garLoopResultBuilder]: For program point L7166(lines 7166 7169) no Hoare annotation was computed. [2022-11-19 07:38:07,204 INFO L895 garLoopResultBuilder]: At program point L8223(line 8223) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,204 INFO L895 garLoopResultBuilder]: At program point L6241(line 6241) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,204 INFO L899 garLoopResultBuilder]: For program point L6241-1(line 6241) no Hoare annotation was computed. [2022-11-19 07:38:07,204 INFO L899 garLoopResultBuilder]: For program point L7100-1(line 7100) no Hoare annotation was computed. [2022-11-19 07:38:07,204 INFO L895 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,204 INFO L899 garLoopResultBuilder]: For program point L7959(line 7959) no Hoare annotation was computed. [2022-11-19 07:38:07,204 INFO L895 garLoopResultBuilder]: At program point L7497(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,205 INFO L899 garLoopResultBuilder]: For program point L6242(lines 6242 6251) no Hoare annotation was computed. [2022-11-19 07:38:07,205 INFO L895 garLoopResultBuilder]: At program point L7960(lines 7960 7974) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,205 INFO L899 garLoopResultBuilder]: For program point L7696-1(line 7696) no Hoare annotation was computed. [2022-11-19 07:38:07,205 INFO L895 garLoopResultBuilder]: At program point L7696(line 7696) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,205 INFO L899 garLoopResultBuilder]: For program point L7102(lines 7102 7108) no Hoare annotation was computed. [2022-11-19 07:38:07,205 INFO L895 garLoopResultBuilder]: At program point L7499(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,205 INFO L895 garLoopResultBuilder]: At program point L8358(line 8358) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,206 INFO L899 garLoopResultBuilder]: For program point L7301-1(line 7301) no Hoare annotation was computed. [2022-11-19 07:38:07,206 INFO L895 garLoopResultBuilder]: At program point L8358-1(line 8358) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,206 INFO L895 garLoopResultBuilder]: At program point L7301(line 7301) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,206 INFO L899 garLoopResultBuilder]: For program point L7103-1(line 7103) no Hoare annotation was computed. [2022-11-19 07:38:07,206 INFO L895 garLoopResultBuilder]: At program point L7103(line 7103) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,206 INFO L899 garLoopResultBuilder]: For program point L7962(lines 7962 7967) no Hoare annotation was computed. [2022-11-19 07:38:07,206 INFO L899 garLoopResultBuilder]: For program point L7962-2(lines 7960 7973) no Hoare annotation was computed. [2022-11-19 07:38:07,207 INFO L895 garLoopResultBuilder]: At program point L7170(line 7170) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,207 INFO L895 garLoopResultBuilder]: At program point L6245(lines 6245 6246) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-19 07:38:07,207 INFO L899 garLoopResultBuilder]: For program point L6245-1(lines 6245 6246) no Hoare annotation was computed. [2022-11-19 07:38:07,207 INFO L902 garLoopResultBuilder]: At program point can_change_mtuENTRY(lines 8361 8363) the Hoare annotation is: true [2022-11-19 07:38:07,207 INFO L899 garLoopResultBuilder]: For program point can_change_mtuEXIT(lines 8361 8363) no Hoare annotation was computed. [2022-11-19 07:38:07,210 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:07,212 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:38:07,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:38:07 BoogieIcfgContainer [2022-11-19 07:38:07,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:38:07,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:38:07,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:38:07,251 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:38:07,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:51" (3/4) ... [2022-11-19 07:38:07,255 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:38:07,260 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_set [2022-11-19 07:38:07,261 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_kill_anchored_urbs [2022-11-19 07:38:07,261 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2022-11-19 07:38:07,261 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_usb_anchor [2022-11-19 07:38:07,261 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_wait_msg [2022-11-19 07:38:07,261 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure warn_slowpath_null [2022-11-19 07:38:07,261 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_intfdata [2022-11-19 07:38:07,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2022-11-19 07:38:07,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_completion [2022-11-19 07:38:07,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msecs_to_jiffies [2022-11-19 07:38:07,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_fill_bulk_urb [2022-11-19 07:38:07,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-19 07:38:07,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_send_simple_msg [2022-11-19 07:38:07,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_device_detach [2022-11-19 07:38:07,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2022-11-19 07:38:07,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_bulk_msg [2022-11-19 07:38:07,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-19 07:38:07,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_coherent [2022-11-19 07:38:07,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_unlink_tx_urbs [2022-11-19 07:38:07,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_xfer_bulk [2022-11-19 07:38:07,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-11-19 07:38:07,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2022-11-19 07:38:07,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_dec [2022-11-19 07:38:07,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_unanchor_urb [2022-11-19 07:38:07,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2022-11-19 07:38:07,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_get_tx_queue [2022-11-19 07:38:07,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __init_waitqueue_head [2022-11-19 07:38:07,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_send_msg [2022-11-19 07:38:07,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure close_candev [2022-11-19 07:38:07,264 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_remove_interfaces [2022-11-19 07:38:07,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-19 07:38:07,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2022-11-19 07:38:07,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_candev [2022-11-19 07:38:07,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion_timeout [2022-11-19 07:38:07,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2022-11-19 07:38:07,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2022-11-19 07:38:07,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_stop_queue [2022-11-19 07:38:07,266 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-19 07:38:07,266 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_alloc_urb [2022-11-19 07:38:07,266 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2022-11-19 07:38:07,266 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_anchor_urb [2022-11-19 07:38:07,266 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2022-11-19 07:38:07,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_change_mtu [2022-11-19 07:38:07,294 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 348 nodes and edges [2022-11-19 07:38:07,298 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2022-11-19 07:38:07,302 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-19 07:38:07,305 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-19 07:38:07,308 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-19 07:38:07,311 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:38:07,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:38:07,822 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:38:07,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:38:07,823 INFO L158 Benchmark]: Toolchain (without parser) took 82610.56ms. Allocated memory was 123.7MB in the beginning and 696.3MB in the end (delta: 572.5MB). Free memory was 75.8MB in the beginning and 314.5MB in the end (delta: -238.7MB). Peak memory consumption was 332.0MB. Max. memory is 16.1GB. [2022-11-19 07:38:07,824 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 123.7MB. Free memory was 103.1MB in the beginning and 102.9MB in the end (delta: 207.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:38:07,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2576.07ms. Allocated memory was 123.7MB in the beginning and 216.0MB in the end (delta: 92.3MB). Free memory was 75.6MB in the beginning and 154.6MB in the end (delta: -78.9MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2022-11-19 07:38:07,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 174.31ms. Allocated memory is still 216.0MB. Free memory was 154.6MB in the beginning and 139.9MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:38:07,825 INFO L158 Benchmark]: Boogie Preprocessor took 146.02ms. Allocated memory is still 216.0MB. Free memory was 139.9MB in the beginning and 126.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 07:38:07,825 INFO L158 Benchmark]: RCFGBuilder took 3626.53ms. Allocated memory was 216.0MB in the beginning and 323.0MB in the end (delta: 107.0MB). Free memory was 126.3MB in the beginning and 201.7MB in the end (delta: -75.5MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2022-11-19 07:38:07,825 INFO L158 Benchmark]: TraceAbstraction took 75502.95ms. Allocated memory was 323.0MB in the beginning and 696.3MB in the end (delta: 373.3MB). Free memory was 201.0MB in the beginning and 378.5MB in the end (delta: -177.4MB). Peak memory consumption was 310.2MB. Max. memory is 16.1GB. [2022-11-19 07:38:07,826 INFO L158 Benchmark]: Witness Printer took 572.12ms. Allocated memory is still 696.3MB. Free memory was 378.5MB in the beginning and 314.5MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-19 07:38:07,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 123.7MB. Free memory was 103.1MB in the beginning and 102.9MB in the end (delta: 207.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2576.07ms. Allocated memory was 123.7MB in the beginning and 216.0MB in the end (delta: 92.3MB). Free memory was 75.6MB in the beginning and 154.6MB in the end (delta: -78.9MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 174.31ms. Allocated memory is still 216.0MB. Free memory was 154.6MB in the beginning and 139.9MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.02ms. Allocated memory is still 216.0MB. Free memory was 139.9MB in the beginning and 126.3MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3626.53ms. Allocated memory was 216.0MB in the beginning and 323.0MB in the end (delta: 107.0MB). Free memory was 126.3MB in the beginning and 201.7MB in the end (delta: -75.5MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * TraceAbstraction took 75502.95ms. Allocated memory was 323.0MB in the beginning and 696.3MB in the end (delta: 373.3MB). Free memory was 201.0MB in the beginning and 378.5MB in the end (delta: -177.4MB). Peak memory consumption was 310.2MB. Max. memory is 16.1GB. * Witness Printer took 572.12ms. Allocated memory is still 696.3MB. Free memory was 378.5MB in the beginning and 314.5MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5884]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 441 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 75.3s, OverallIterations: 11, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 55.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 22 mSolverCounterUnknown, 3664 SdHoareTripleChecker+Valid, 52.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3554 mSDsluCounter, 12617 SdHoareTripleChecker+Invalid, 51.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5725 mSDsCounter, 119 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2204 IncrementalHoareTripleChecker+Invalid, 2345 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 119 mSolverCounterUnsat, 6892 mSDtfsCounter, 2204 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 901 GetRequests, 876 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5076occurred in iteration=10, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 4073 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 230 LocationsWithAnnotation, 8382 PreInvPairs, 9434 NumberOfFragments, 530 HoareAnnotationTreeSize, 8382 FomulaSimplifications, 24901 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 230 FomulaSimplificationsInter, 4776 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 2382 NumberOfCodeBlocks, 2382 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2367 ConstructedInterpolants, 0 QuantifiedInterpolants, 4242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 14311 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 1525/1537 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7876]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7392]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7755]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7635]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8396]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7820]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7755]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7272]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8223]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7470]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7704]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8214]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6226]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7186]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7068]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7132]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6027]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7480]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7392]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6124]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7068]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7324]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7185]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8073]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7392]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7747]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7755]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8479]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7902]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8035]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6104]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7952]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7251]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7712]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8023]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6402]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8196]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7392]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7905]: Loop Invariant Derived loop invariant: (ldv_state_variable_2 == 0 && ldv_spin == 0) && ldv_state_variable_1 == 0 - InvariantResult [Line: 7902]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6458]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6219]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7765]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7392]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7623]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7158]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7827]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7179]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7885]: Loop Invariant Derived loop invariant: ldv_state_variable_2 == 1 && ldv_spin == 0 - InvariantResult [Line: 7740]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6439]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5808]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8232]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 8358]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7059]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7960]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7372]: Loop Invariant Derived loop invariant: ldv_spin == 0 RESULT: Ultimate proved your program to be correct! [2022-11-19 07:38:07,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacc91d3-679f-4c1f-bb5a-1d49fc51dc65/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE