./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/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_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW --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-4e7fbc6 [2022-11-23 14:37:34,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:37:34,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:37:34,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:37:34,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:37:34,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:37:34,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:37:34,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:37:34,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:37:34,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:37:34,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:37:34,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:37:34,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:37:34,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:37:34,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:37:34,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:37:34,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:37:34,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:37:34,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:37:34,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:37:34,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:37:34,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:37:34,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:37:34,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:37:34,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:37:34,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:37:34,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:37:34,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:37:34,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:37:34,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:37:34,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:37:34,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:37:34,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:37:34,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:37:34,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:37:34,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:37:34,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:37:34,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:37:34,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:37:34,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:37:34,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:37:34,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:37:34,590 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:37:34,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:37:34,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:37:34,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:37:34,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:37:34,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:37:34,592 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:37:34,592 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:37:34,592 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:37:34,593 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:37:34,593 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:37:34,593 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:37:34,593 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:37:34,593 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:37:34,593 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:37:34,594 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:37:34,594 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:37:34,594 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:37:34,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:37:34,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:37:34,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:37:34,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:37:34,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:37:34,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:37:34,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:37:34,596 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:37:34,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:37:34,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:37:34,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:37:34,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:37:34,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:37:34,597 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:37:34,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:37:34,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:37:34,598 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:37:34,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:37:34,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:37:34,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:37:34,600 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_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf9409c9644882d0b94992da63085a143a7838c0d2df658a83d1fd7dd6703a4d [2022-11-23 14:37:34,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:37:34,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:37:34,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:37:34,956 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:37:34,956 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:37:34,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/../../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 [2022-11-23 14:37:38,044 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:37:38,594 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:37:38,595 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/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 [2022-11-23 14:37:38,638 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/data/c76d997db/7d9a8ab6b65942a18f3dfd8c5ccbd7bc/FLAGb47acb280 [2022-11-23 14:37:38,659 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/data/c76d997db/7d9a8ab6b65942a18f3dfd8c5ccbd7bc [2022-11-23 14:37:38,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:37:38,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:37:38,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:37:38,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:37:38,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:37:38,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:38" (1/1) ... [2022-11-23 14:37:38,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2918cb3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:38, skipping insertion in model container [2022-11-23 14:37:38,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:37:38" (1/1) ... [2022-11-23 14:37:38,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:37:38,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:37:39,532 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5632] [2022-11-23 14:37:39,533 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5633-5634] [2022-11-23 14:37:39,746 WARN L237 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_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/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] [2022-11-23 14:37:40,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:37:40,512 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:37:40,645 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5632] [2022-11-23 14:37:40,646 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5633-5634] [2022-11-23 14:37:40,656 WARN L237 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_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/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] [2022-11-23 14:37:41,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:37:41,096 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:37:41,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:41 WrapperNode [2022-11-23 14:37:41,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:37:41,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:37:41,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:37:41,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:37:41,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:41" (1/1) ... [2022-11-23 14:37:41,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:41" (1/1) ... [2022-11-23 14:37:41,293 INFO L138 Inliner]: procedures = 205, calls = 1464, calls flagged for inlining = 88, calls inlined = 65, statements flattened = 2141 [2022-11-23 14:37:41,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:37:41,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:37:41,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:37:41,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:37:41,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:41" (1/1) ... [2022-11-23 14:37:41,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:41" (1/1) ... [2022-11-23 14:37:41,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:41" (1/1) ... [2022-11-23 14:37:41,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:41" (1/1) ... [2022-11-23 14:37:41,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:41" (1/1) ... [2022-11-23 14:37:41,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:41" (1/1) ... [2022-11-23 14:37:41,433 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:41" (1/1) ... [2022-11-23 14:37:41,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:41" (1/1) ... [2022-11-23 14:37:41,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:37:41,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:37:41,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:37:41,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:37:41,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:41" (1/1) ... [2022-11-23 14:37:41,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:37:41,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:37:41,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:37:41,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:37:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 14:37:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 14:37:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-23 14:37:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-23 14:37:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-23 14:37:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-23 14:37:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 14:37:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:37:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 14:37:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 14:37:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-23 14:37:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-23 14:37:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 14:37:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 14:37:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-23 14:37:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-23 14:37:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 14:37:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 14:37:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_send_msg [2022-11-23 14:37:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_send_msg [2022-11-23 14:37:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 14:37:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 14:37:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 14:37:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 14:37:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:37:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_send_simple_msg [2022-11-23 14:37:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_send_simple_msg [2022-11-23 14:37:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-23 14:37:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-23 14:37:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:37:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-23 14:37:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-23 14:37:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:37:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:37:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 14:37:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 14:37:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 14:37:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 14:37:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_unlink_tx_urbs [2022-11-23 14:37:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_unlink_tx_urbs [2022-11-23 14:37:41,556 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 14:37:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 14:37:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-23 14:37:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-23 14:37:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-23 14:37:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-23 14:37:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 14:37:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 14:37:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2022-11-23 14:37:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2022-11-23 14:37:41,558 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-23 14:37:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-23 14:37:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 14:37:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 14:37:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 14:37:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2022-11-23 14:37:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2022-11-23 14:37:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 14:37:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-23 14:37:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-23 14:37:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:37:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-23 14:37:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-23 14:37:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_remove_interfaces [2022-11-23 14:37:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_remove_interfaces [2022-11-23 14:37:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 14:37:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 14:37:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-23 14:37:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-23 14:37:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 14:37:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 14:37:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-23 14:37:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-23 14:37:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 14:37:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 14:37:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-23 14:37:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-23 14:37:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-23 14:37:41,565 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-23 14:37:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:37:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 14:37:41,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 14:37:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:37:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:37:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure kvaser_usb_wait_msg [2022-11-23 14:37:41,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kvaser_usb_wait_msg [2022-11-23 14:37:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:37:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-23 14:37:41,568 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-23 14:37:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-23 14:37:41,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-23 14:37:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 14:37:41,568 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 14:37:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 14:37:41,569 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 14:37:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-23 14:37:41,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-23 14:37:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:37:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2022-11-23 14:37:41,570 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2022-11-23 14:37:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:37:41,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:37:42,240 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:37:42,245 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:37:42,503 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 14:37:44,522 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:37:44,970 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:37:44,971 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:37:44,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:44 BoogieIcfgContainer [2022-11-23 14:37:44,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:37:44,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:37:44,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:37:44,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:37:44,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:37:38" (1/3) ... [2022-11-23 14:37:44,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa90be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:37:44, skipping insertion in model container [2022-11-23 14:37:44,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:37:41" (2/3) ... [2022-11-23 14:37:44,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa90be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:37:44, skipping insertion in model container [2022-11-23 14:37:44,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:44" (3/3) ... [2022-11-23 14:37:44,985 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 [2022-11-23 14:37:45,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:37:45,044 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:37:45,109 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:37:45,116 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;@2398d163, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:37:45,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:37:45,126 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) [2022-11-23 14:37:45,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-23 14:37:45,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:37:45,146 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] [2022-11-23 14:37:45,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:37:45,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:37:45,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1410278859, now seen corresponding path program 1 times [2022-11-23 14:37:45,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:37:45,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133180714] [2022-11-23 14:37:45,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:37:45,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:37:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:37:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:37:45,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:37:45,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133180714] [2022-11-23 14:37:45,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133180714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:37:45,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:37:45,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:37:45,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691629985] [2022-11-23 14:37:45,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:37:45,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:37:45,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:37:45,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:37:45,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:37:45,755 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) [2022-11-23 14:37:48,331 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 [] [2022-11-23 14:37:50,476 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 [] [2022-11-23 14:37:50,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:37:50,521 INFO L93 Difference]: Finished difference Result 1102 states and 1543 transitions. [2022-11-23 14:37:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:37:50,524 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 [2022-11-23 14:37:50,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:37:50,550 INFO L225 Difference]: With dead ends: 1102 [2022-11-23 14:37:50,554 INFO L226 Difference]: Without dead ends: 654 [2022-11-23 14:37:50,565 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 [2022-11-23 14:37:50,572 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 299 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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, 4.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:37:50,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 1056 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 199 Invalid, 2 Unknown, 0 Unchecked, 4.6s Time] [2022-11-23 14:37:50,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2022-11-23 14:37:50,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 649. [2022-11-23 14:37:50,685 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) [2022-11-23 14:37:50,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 881 transitions. [2022-11-23 14:37:50,692 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 881 transitions. Word has length 34 [2022-11-23 14:37:50,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:37:50,693 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 881 transitions. [2022-11-23 14:37:50,693 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) [2022-11-23 14:37:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 881 transitions. [2022-11-23 14:37:50,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-23 14:37:50,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:37:50,697 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] [2022-11-23 14:37:50,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:37:50,698 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:37:50,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:37:50,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1153740444, now seen corresponding path program 1 times [2022-11-23 14:37:50,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:37:50,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039864140] [2022-11-23 14:37:50,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:37:50,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:37:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:37:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:37:51,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:37:51,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039864140] [2022-11-23 14:37:51,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039864140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:37:51,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:37:51,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:37:51,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862555426] [2022-11-23 14:37:51,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:37:51,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:37:51,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:37:51,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:37:51,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:37:51,016 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) [2022-11-23 14:37:54,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:37:55,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:37:57,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:37:57,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:37:57,804 INFO L93 Difference]: Finished difference Result 1590 states and 2155 transitions. [2022-11-23 14:37:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:37:57,805 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 [2022-11-23 14:37:57,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:37:57,810 INFO L225 Difference]: With dead ends: 1590 [2022-11-23 14:37:57,811 INFO L226 Difference]: Without dead ends: 946 [2022-11-23 14:37:57,813 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 [2022-11-23 14:37:57,814 INFO L413 NwaCegarLoop]: 762 mSDtfsCounter, 377 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:37:57,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1255 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 223 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-11-23 14:37:57,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2022-11-23 14:37:57,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 943. [2022-11-23 14:37:57,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 608 states have (on average 1.332236842105263) internal successors, (810), 625 states have internal predecessors, (810), 234 states have call successors, (234), 101 states have call predecessors, (234), 100 states have return successors, (233), 232 states have call predecessors, (233), 233 states have call successors, (233) [2022-11-23 14:37:57,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1277 transitions. [2022-11-23 14:37:57,889 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1277 transitions. Word has length 51 [2022-11-23 14:37:57,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:37:57,890 INFO L495 AbstractCegarLoop]: Abstraction has 943 states and 1277 transitions. [2022-11-23 14:37:57,890 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) [2022-11-23 14:37:57,890 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1277 transitions. [2022-11-23 14:37:57,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-23 14:37:57,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:37:57,901 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] [2022-11-23 14:37:57,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:37:57,902 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:37:57,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:37:57,902 INFO L85 PathProgramCache]: Analyzing trace with hash -556944147, now seen corresponding path program 1 times [2022-11-23 14:37:57,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:37:57,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974782141] [2022-11-23 14:37:57,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:37:57,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:37:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:37:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 14:37:58,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:37:58,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974782141] [2022-11-23 14:37:58,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974782141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:37:58,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:37:58,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:37:58,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357334076] [2022-11-23 14:37:58,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:37:58,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:37:58,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:37:58,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:37:58,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:37:58,211 INFO L87 Difference]: Start difference. First operand 943 states and 1277 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) [2022-11-23 14:38:00,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:02,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:02,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:38:02,923 INFO L93 Difference]: Finished difference Result 2136 states and 2901 transitions. [2022-11-23 14:38:02,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:38:02,924 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 [2022-11-23 14:38:02,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:38:02,934 INFO L225 Difference]: With dead ends: 2136 [2022-11-23 14:38:02,935 INFO L226 Difference]: Without dead ends: 1206 [2022-11-23 14:38:02,938 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 [2022-11-23 14:38:02,939 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 297 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:38:02,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1227 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 245 Invalid, 2 Unknown, 0 Unchecked, 4.6s Time] [2022-11-23 14:38:02,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2022-11-23 14:38:03,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1201. [2022-11-23 14:38:03,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 793 states have (on average 1.3404791929382094) internal successors, (1063), 813 states have internal predecessors, (1063), 280 states have call successors, (280), 128 states have call predecessors, (280), 127 states have return successors, (279), 277 states have call predecessors, (279), 279 states have call successors, (279) [2022-11-23 14:38:03,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1622 transitions. [2022-11-23 14:38:03,058 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1622 transitions. Word has length 55 [2022-11-23 14:38:03,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:38:03,059 INFO L495 AbstractCegarLoop]: Abstraction has 1201 states and 1622 transitions. [2022-11-23 14:38:03,059 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) [2022-11-23 14:38:03,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1622 transitions. [2022-11-23 14:38:03,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 14:38:03,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:38:03,062 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] [2022-11-23 14:38:03,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:38:03,063 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:38:03,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:38:03,064 INFO L85 PathProgramCache]: Analyzing trace with hash -903809922, now seen corresponding path program 1 times [2022-11-23 14:38:03,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:38:03,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887022967] [2022-11-23 14:38:03,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:03,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:38:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 14:38:03,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:38:03,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887022967] [2022-11-23 14:38:03,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887022967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:38:03,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:38:03,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:38:03,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540342072] [2022-11-23 14:38:03,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:38:03,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:38:03,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:38:03,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:38:03,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:38:03,278 INFO L87 Difference]: Start difference. First operand 1201 states and 1622 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) [2022-11-23 14:38:05,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:07,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:07,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:38:07,813 INFO L93 Difference]: Finished difference Result 2390 states and 3230 transitions. [2022-11-23 14:38:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:38:07,814 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 [2022-11-23 14:38:07,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:38:07,822 INFO L225 Difference]: With dead ends: 2390 [2022-11-23 14:38:07,822 INFO L226 Difference]: Without dead ends: 1199 [2022-11-23 14:38:07,826 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 [2022-11-23 14:38:07,827 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 [2022-11-23 14:38:07,828 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] [2022-11-23 14:38:07,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2022-11-23 14:38:07,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1195. [2022-11-23 14:38:07,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 787 states have (on average 1.3392630241423127) internal successors, (1054), 809 states have internal predecessors, (1054), 280 states have call successors, (280), 128 states have call predecessors, (280), 127 states have return successors, (279), 275 states have call predecessors, (279), 279 states have call successors, (279) [2022-11-23 14:38:07,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1613 transitions. [2022-11-23 14:38:07,890 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1613 transitions. Word has length 66 [2022-11-23 14:38:07,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:38:07,890 INFO L495 AbstractCegarLoop]: Abstraction has 1195 states and 1613 transitions. [2022-11-23 14:38:07,891 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) [2022-11-23 14:38:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1613 transitions. [2022-11-23 14:38:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 14:38:07,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:38:07,893 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] [2022-11-23 14:38:07,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:38:07,894 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:38:07,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:38:07,894 INFO L85 PathProgramCache]: Analyzing trace with hash 19806637, now seen corresponding path program 1 times [2022-11-23 14:38:07,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:38:07,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637477144] [2022-11-23 14:38:07,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:07,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:38:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-23 14:38:08,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:38:08,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637477144] [2022-11-23 14:38:08,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637477144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:38:08,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:38:08,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:38:08,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284038230] [2022-11-23 14:38:08,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:38:08,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:38:08,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:38:08,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:38:08,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:38:08,106 INFO L87 Difference]: Start difference. First operand 1195 states and 1613 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) [2022-11-23 14:38:10,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:12,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:12,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:38:12,939 INFO L93 Difference]: Finished difference Result 2304 states and 3100 transitions. [2022-11-23 14:38:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:38:12,940 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 [2022-11-23 14:38:12,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:38:12,957 INFO L225 Difference]: With dead ends: 2304 [2022-11-23 14:38:12,957 INFO L226 Difference]: Without dead ends: 2301 [2022-11-23 14:38:12,959 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 [2022-11-23 14:38:12,960 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 [2022-11-23 14:38:12,961 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] [2022-11-23 14:38:12,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2022-11-23 14:38:13,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 2299. [2022-11-23 14:38:13,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2299 states, 1523 states have (on average 1.3368351936966514) internal successors, (2036), 1562 states have internal predecessors, (2036), 528 states have call successors, (528), 248 states have call predecessors, (528), 247 states have return successors, (527), 518 states have call predecessors, (527), 527 states have call successors, (527) [2022-11-23 14:38:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 3091 transitions. [2022-11-23 14:38:13,099 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 3091 transitions. Word has length 65 [2022-11-23 14:38:13,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:38:13,100 INFO L495 AbstractCegarLoop]: Abstraction has 2299 states and 3091 transitions. [2022-11-23 14:38:13,100 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) [2022-11-23 14:38:13,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 3091 transitions. [2022-11-23 14:38:13,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-23 14:38:13,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:38:13,106 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] [2022-11-23 14:38:13,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 14:38:13,106 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:38:13,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:38:13,107 INFO L85 PathProgramCache]: Analyzing trace with hash -312051603, now seen corresponding path program 1 times [2022-11-23 14:38:13,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:38:13,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649450775] [2022-11-23 14:38:13,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:13,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:38:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:14,957 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-23 14:38:14,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:38:14,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649450775] [2022-11-23 14:38:14,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649450775] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:38:14,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495637276] [2022-11-23 14:38:14,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:14,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:38:14,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:38:14,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:38:14,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:38:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:16,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 2944 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:38:16,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:38:16,491 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-23 14:38:16,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:38:16,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495637276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:38:16,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:38:16,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2022-11-23 14:38:16,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344021005] [2022-11-23 14:38:16,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:38:16,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:38:16,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:38:16,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:38:16,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-23 14:38:16,494 INFO L87 Difference]: Start difference. First operand 2299 states and 3091 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) [2022-11-23 14:38:18,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:21,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:21,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:38:21,390 INFO L93 Difference]: Finished difference Result 3476 states and 4681 transitions. [2022-11-23 14:38:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:38:21,391 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 [2022-11-23 14:38:21,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:38:21,412 INFO L225 Difference]: With dead ends: 3476 [2022-11-23 14:38:21,412 INFO L226 Difference]: Without dead ends: 3473 [2022-11-23 14:38:21,415 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 [2022-11-23 14:38:21,416 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 [2022-11-23 14:38:21,416 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] [2022-11-23 14:38:21,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3473 states. [2022-11-23 14:38:21,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3473 to 3471. [2022-11-23 14:38:21,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3471 states, 2296 states have (on average 1.336672473867596) internal successors, (3069), 2358 states have internal predecessors, (3069), 802 states have call successors, (802), 373 states have call predecessors, (802), 372 states have return successors, (801), 787 states have call predecessors, (801), 801 states have call successors, (801) [2022-11-23 14:38:21,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3471 states to 3471 states and 4672 transitions. [2022-11-23 14:38:21,611 INFO L78 Accepts]: Start accepts. Automaton has 3471 states and 4672 transitions. Word has length 123 [2022-11-23 14:38:21,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:38:21,611 INFO L495 AbstractCegarLoop]: Abstraction has 3471 states and 4672 transitions. [2022-11-23 14:38:21,612 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) [2022-11-23 14:38:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3471 states and 4672 transitions. [2022-11-23 14:38:21,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-23 14:38:21,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:38:21,624 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] [2022-11-23 14:38:21,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:38:21,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:38:21,843 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:38:21,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:38:21,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1541184179, now seen corresponding path program 1 times [2022-11-23 14:38:21,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:38:21,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864946824] [2022-11-23 14:38:21,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:21,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:38:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-23 14:38:22,302 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:38:22,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864946824] [2022-11-23 14:38:22,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864946824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:38:22,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:38:22,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:38:22,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202148815] [2022-11-23 14:38:22,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:38:22,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:38:22,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:38:22,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:38:22,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:38:22,307 INFO L87 Difference]: Start difference. First operand 3471 states and 4672 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) [2022-11-23 14:38:25,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:27,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:29,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:32,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:32,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:38:32,550 INFO L93 Difference]: Finished difference Result 9760 states and 13797 transitions. [2022-11-23 14:38:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:38:32,551 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 [2022-11-23 14:38:32,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:38:32,589 INFO L225 Difference]: With dead ends: 9760 [2022-11-23 14:38:32,590 INFO L226 Difference]: Without dead ends: 6302 [2022-11-23 14:38:32,604 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 [2022-11-23 14:38:32,606 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 550 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 126 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 2108 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:38:32,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 2108 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 341 Invalid, 3 Unknown, 0 Unchecked, 9.9s Time] [2022-11-23 14:38:32,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6302 states. [2022-11-23 14:38:32,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6302 to 3489. [2022-11-23 14:38:32,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3489 states, 2314 states have (on average 1.3340535868625756) internal successors, (3087), 2376 states have internal predecessors, (3087), 802 states have call successors, (802), 373 states have call predecessors, (802), 372 states have return successors, (801), 787 states have call predecessors, (801), 801 states have call successors, (801) [2022-11-23 14:38:32,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4690 transitions. [2022-11-23 14:38:32,958 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4690 transitions. Word has length 192 [2022-11-23 14:38:32,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:38:32,960 INFO L495 AbstractCegarLoop]: Abstraction has 3489 states and 4690 transitions. [2022-11-23 14:38:32,960 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) [2022-11-23 14:38:32,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4690 transitions. [2022-11-23 14:38:32,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-23 14:38:32,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:38:32,971 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] [2022-11-23 14:38:32,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 14:38:32,972 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:38:32,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:38:32,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1341213333, now seen corresponding path program 1 times [2022-11-23 14:38:32,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:38:32,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618536121] [2022-11-23 14:38:32,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:32,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:38:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:33,425 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-23 14:38:33,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:38:33,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618536121] [2022-11-23 14:38:33,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618536121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:38:33,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:38:33,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:38:33,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694302895] [2022-11-23 14:38:33,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:38:33,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:38:33,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:38:33,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:38:33,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:38:33,429 INFO L87 Difference]: Start difference. First operand 3489 states and 4690 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) [2022-11-23 14:38:35,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:38,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:38,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:38:38,504 INFO L93 Difference]: Finished difference Result 8428 states and 11675 transitions. [2022-11-23 14:38:38,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:38:38,505 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 [2022-11-23 14:38:38,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:38:38,533 INFO L225 Difference]: With dead ends: 8428 [2022-11-23 14:38:38,533 INFO L226 Difference]: Without dead ends: 4952 [2022-11-23 14:38:38,545 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 [2022-11-23 14:38:38,546 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 175 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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, 4.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:38:38,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1294 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 212 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2022-11-23 14:38:38,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4952 states. [2022-11-23 14:38:38,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4952 to 3498. [2022-11-23 14:38:38,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3498 states, 2323 states have (on average 1.332759362892811) internal successors, (3096), 2385 states have internal predecessors, (3096), 802 states have call successors, (802), 373 states have call predecessors, (802), 372 states have return successors, (801), 787 states have call predecessors, (801), 801 states have call successors, (801) [2022-11-23 14:38:38,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 3498 states and 4699 transitions. [2022-11-23 14:38:38,803 INFO L78 Accepts]: Start accepts. Automaton has 3498 states and 4699 transitions. Word has length 197 [2022-11-23 14:38:38,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:38:38,804 INFO L495 AbstractCegarLoop]: Abstraction has 3498 states and 4699 transitions. [2022-11-23 14:38:38,805 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) [2022-11-23 14:38:38,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 4699 transitions. [2022-11-23 14:38:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-23 14:38:38,816 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:38:38,816 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] [2022-11-23 14:38:38,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 14:38:38,817 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:38:38,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:38:38,817 INFO L85 PathProgramCache]: Analyzing trace with hash -258309488, now seen corresponding path program 1 times [2022-11-23 14:38:38,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:38:38,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401299917] [2022-11-23 14:38:38,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:38,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:38:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-11-23 14:38:39,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:38:39,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401299917] [2022-11-23 14:38:39,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401299917] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:38:39,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430258295] [2022-11-23 14:38:39,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:39,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:38:39,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:38:39,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:38:39,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:38:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:40,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 3379 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:38:40,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:38:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-23 14:38:40,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:38:40,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430258295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:38:40,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:38:40,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 14:38:40,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943690355] [2022-11-23 14:38:40,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:38:40,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:38:40,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:38:40,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:38:40,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:38:40,938 INFO L87 Difference]: Start difference. First operand 3498 states and 4699 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) [2022-11-23 14:38:43,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:45,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:38:47,810 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 [] [2022-11-23 14:38:47,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:38:47,900 INFO L93 Difference]: Finished difference Result 4963 states and 6681 transitions. [2022-11-23 14:38:47,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:38:47,901 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 [2022-11-23 14:38:47,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:38:47,968 INFO L225 Difference]: With dead ends: 4963 [2022-11-23 14:38:47,968 INFO L226 Difference]: Without dead ends: 3772 [2022-11-23 14:38:47,973 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 [2022-11-23 14:38:47,976 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 200 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:38:47,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 1040 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 201 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-11-23 14:38:47,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3772 states. [2022-11-23 14:38:48,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3772 to 3763. [2022-11-23 14:38:48,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3763 states, 2513 states have (on average 1.3358535614803024) internal successors, (3357), 2578 states have internal predecessors, (3357), 850 states have call successors, (850), 400 states have call predecessors, (850), 399 states have return successors, (849), 834 states have call predecessors, (849), 849 states have call successors, (849) [2022-11-23 14:38:48,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 5056 transitions. [2022-11-23 14:38:48,243 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 5056 transitions. Word has length 220 [2022-11-23 14:38:48,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:38:48,244 INFO L495 AbstractCegarLoop]: Abstraction has 3763 states and 5056 transitions. [2022-11-23 14:38:48,244 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) [2022-11-23 14:38:48,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 5056 transitions. [2022-11-23 14:38:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-11-23 14:38:48,257 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:38:48,258 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] [2022-11-23 14:38:48,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:38:48,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:38:48,479 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:38:48,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:38:48,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1501694512, now seen corresponding path program 1 times [2022-11-23 14:38:48,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:38:48,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165631713] [2022-11-23 14:38:48,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:48,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:38:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:49,043 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-23 14:38:49,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:38:49,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165631713] [2022-11-23 14:38:49,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165631713] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:38:49,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878760251] [2022-11-23 14:38:49,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:49,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:38:49,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:38:49,046 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:38:49,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:38:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:50,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 3405 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:38:50,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:38:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-23 14:38:50,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:38:50,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878760251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:38:50,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:38:50,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 14:38:50,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203860607] [2022-11-23 14:38:50,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:38:50,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:38:50,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:38:50,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:38:50,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:38:50,870 INFO L87 Difference]: Start difference. First operand 3763 states and 5056 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) [2022-11-23 14:38:53,258 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 [] [2022-11-23 14:38:55,695 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 [] [2022-11-23 14:38:55,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:38:55,819 INFO L93 Difference]: Finished difference Result 5151 states and 6917 transitions. [2022-11-23 14:38:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:38:55,820 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 [2022-11-23 14:38:55,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:38:55,848 INFO L225 Difference]: With dead ends: 5151 [2022-11-23 14:38:55,848 INFO L226 Difference]: Without dead ends: 5148 [2022-11-23 14:38:55,852 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 [2022-11-23 14:38:55,853 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 [2022-11-23 14:38:55,853 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] [2022-11-23 14:38:55,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5148 states. [2022-11-23 14:38:56,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5148 to 5148. [2022-11-23 14:38:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5148 states, 3453 states have (on average 1.336518969012453) internal successors, (4615), 3537 states have internal predecessors, (4615), 1148 states have call successors, (1148), 547 states have call predecessors, (1148), 546 states have return successors, (1147), 1127 states have call predecessors, (1147), 1147 states have call successors, (1147) [2022-11-23 14:38:56,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5148 states to 5148 states and 6910 transitions. [2022-11-23 14:38:56,215 INFO L78 Accepts]: Start accepts. Automaton has 5148 states and 6910 transitions. Word has length 230 [2022-11-23 14:38:56,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:38:56,216 INFO L495 AbstractCegarLoop]: Abstraction has 5148 states and 6910 transitions. [2022-11-23 14:38:56,216 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) [2022-11-23 14:38:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 5148 states and 6910 transitions. [2022-11-23 14:38:56,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-11-23 14:38:56,238 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:38:56,238 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] [2022-11-23 14:38:56,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-23 14:38:56,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:38:56,451 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:38:56,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:38:56,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1294873296, now seen corresponding path program 1 times [2022-11-23 14:38:56,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:38:56,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382758664] [2022-11-23 14:38:56,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:56,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:38:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-11-23 14:38:57,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:38:57,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382758664] [2022-11-23 14:38:57,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382758664] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:38:57,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423853264] [2022-11-23 14:38:57,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:38:57,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:38:57,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:38:57,203 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:38:57,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:38:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:38:58,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 4583 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:38:58,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:38:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-11-23 14:38:59,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:38:59,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423853264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:38:59,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:38:59,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-23 14:38:59,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656894393] [2022-11-23 14:38:59,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:38:59,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:38:59,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:38:59,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:38:59,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:38:59,511 INFO L87 Difference]: Start difference. First operand 5148 states and 6910 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) [2022-11-23 14:39:01,805 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 [] [2022-11-23 14:39:03,950 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 [] [2022-11-23 14:39:04,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:39:04,050 INFO L93 Difference]: Finished difference Result 5148 states and 6910 transitions. [2022-11-23 14:39:04,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:39:04,050 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 [2022-11-23 14:39:04,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:39:04,052 INFO L225 Difference]: With dead ends: 5148 [2022-11-23 14:39:04,052 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 14:39:04,063 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 [2022-11-23 14:39:04,064 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 [2022-11-23 14:39:04,064 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] [2022-11-23 14:39:04,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 14:39:04,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 14:39:04,065 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) [2022-11-23 14:39:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 14:39:04,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 288 [2022-11-23 14:39:04,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:39:04,067 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 14:39:04,067 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) [2022-11-23 14:39:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 14:39:04,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 14:39:04,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 14:39:04,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 14:39:04,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-23 14:39:04,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 14:39:07,482 INFO L899 garLoopResultBuilder]: For program point atomic_setEXIT(lines 5761 5767) no Hoare annotation was computed. [2022-11-23 14:39:07,482 INFO L902 garLoopResultBuilder]: At program point atomic_setENTRY(lines 5761 5767) the Hoare annotation is: true [2022-11-23 14:39:07,483 INFO L899 garLoopResultBuilder]: For program point L6394(lines 6394 6399) no Hoare annotation was computed. [2022-11-23 14:39:07,483 INFO L899 garLoopResultBuilder]: For program point L6370(lines 6370 6373) no Hoare annotation was computed. [2022-11-23 14:39:07,483 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_wait_msgFINAL(lines 6354 6416) no Hoare annotation was computed. [2022-11-23 14:39:07,483 INFO L902 garLoopResultBuilder]: At program point L6412(lines 6366 6415) the Hoare annotation is: true [2022-11-23 14:39:07,483 INFO L899 garLoopResultBuilder]: For program point L6375-1(line 6375) no Hoare annotation was computed. [2022-11-23 14:39:07,484 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_wait_msgEXIT(lines 6354 6416) no Hoare annotation was computed. [2022-11-23 14:39:07,484 INFO L902 garLoopResultBuilder]: At program point L6375(line 6375) the Hoare annotation is: true [2022-11-23 14:39:07,484 INFO L902 garLoopResultBuilder]: At program point L6408(lines 6366 6415) the Hoare annotation is: true [2022-11-23 14:39:07,484 INFO L902 garLoopResultBuilder]: At program point kvaser_usb_wait_msgENTRY(lines 6354 6416) the Hoare annotation is: true [2022-11-23 14:39:07,484 INFO L899 garLoopResultBuilder]: For program point L6367-1(line 6367) no Hoare annotation was computed. [2022-11-23 14:39:07,484 INFO L902 garLoopResultBuilder]: At program point L6367(line 6367) the Hoare annotation is: true [2022-11-23 14:39:07,485 INFO L899 garLoopResultBuilder]: For program point L6396-1(line 6396) no Hoare annotation was computed. [2022-11-23 14:39:07,485 INFO L902 garLoopResultBuilder]: At program point L6396(line 6396) the Hoare annotation is: true [2022-11-23 14:39:07,485 INFO L899 garLoopResultBuilder]: For program point L6413(line 6413) no Hoare annotation was computed. [2022-11-23 14:39:07,485 INFO L899 garLoopResultBuilder]: For program point L6376-1(line 6376) no Hoare annotation was computed. [2022-11-23 14:39:07,485 INFO L902 garLoopResultBuilder]: At program point L8073-1(line 8073) the Hoare annotation is: true [2022-11-23 14:39:07,485 INFO L902 garLoopResultBuilder]: At program point L6376(line 6376) the Hoare annotation is: true [2022-11-23 14:39:07,486 INFO L902 garLoopResultBuilder]: At program point L8073(line 8073) the Hoare annotation is: true [2022-11-23 14:39:07,486 INFO L902 garLoopResultBuilder]: At program point L6401(lines 6366 6415) the Hoare annotation is: true [2022-11-23 14:39:07,486 INFO L899 garLoopResultBuilder]: For program point L6389(lines 6389 6393) no Hoare annotation was computed. [2022-11-23 14:39:07,486 INFO L899 garLoopResultBuilder]: For program point L6385(lines 6385 6388) no Hoare annotation was computed. [2022-11-23 14:39:07,486 INFO L902 garLoopResultBuilder]: At program point L6406(lines 6366 6415) the Hoare annotation is: true [2022-11-23 14:39:07,486 INFO L899 garLoopResultBuilder]: For program point L6377(lines 6377 6380) no Hoare annotation was computed. [2022-11-23 14:39:07,487 INFO L902 garLoopResultBuilder]: At program point L6402(lines 6402 6405) the Hoare annotation is: true [2022-11-23 14:39:07,487 INFO L899 garLoopResultBuilder]: For program point usb_get_intfdataEXIT(lines 6138 6145) no Hoare annotation was computed. [2022-11-23 14:39:07,487 INFO L902 garLoopResultBuilder]: At program point usb_get_intfdataENTRY(lines 6138 6145) the Hoare annotation is: true [2022-11-23 14:39:07,487 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8508 8510) no Hoare annotation was computed. [2022-11-23 14:39:07,487 INFO L902 garLoopResultBuilder]: At program point usb_submit_urbENTRY(lines 8508 8510) the Hoare annotation is: true [2022-11-23 14:39:07,487 INFO L899 garLoopResultBuilder]: For program point L6434-1(line 6434) no Hoare annotation was computed. [2022-11-23 14:39:07,488 INFO L899 garLoopResultBuilder]: For program point L6426(lines 6426 6429) no Hoare annotation was computed. [2022-11-23 14:39:07,488 INFO L902 garLoopResultBuilder]: At program point kvaser_usb_send_simple_msgENTRY(lines 6417 6438) the Hoare annotation is: true [2022-11-23 14:39:07,488 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_send_simple_msgFINAL(lines 6417 6438) no Hoare annotation was computed. [2022-11-23 14:39:07,488 INFO L899 garLoopResultBuilder]: For program point L6424-1(line 6424) no Hoare annotation was computed. [2022-11-23 14:39:07,488 INFO L902 garLoopResultBuilder]: At program point L6424(line 6424) the Hoare annotation is: true [2022-11-23 14:39:07,488 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_send_simple_msgEXIT(lines 6417 6438) no Hoare annotation was computed. [2022-11-23 14:39:07,489 INFO L902 garLoopResultBuilder]: At program point L6434(line 6434) the Hoare annotation is: true [2022-11-23 14:39:07,489 INFO L899 garLoopResultBuilder]: For program point L6435-1(line 6435) no Hoare annotation was computed. [2022-11-23 14:39:07,489 INFO L902 garLoopResultBuilder]: At program point L6435(line 6435) the Hoare annotation is: true [2022-11-23 14:39:07,489 INFO L902 garLoopResultBuilder]: At program point usb_bulk_msgENTRY(lines 8488 8490) the Hoare annotation is: true [2022-11-23 14:39:07,489 INFO L899 garLoopResultBuilder]: For program point usb_bulk_msgEXIT(lines 8488 8490) no Hoare annotation was computed. [2022-11-23 14:39:07,489 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 5887 5893) no Hoare annotation was computed. [2022-11-23 14:39:07,490 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 5887 5893) the Hoare annotation is: true [2022-11-23 14:39:07,490 INFO L902 garLoopResultBuilder]: At program point usb_free_coherentENTRY(lines 8494 8496) the Hoare annotation is: true [2022-11-23 14:39:07,490 INFO L899 garLoopResultBuilder]: For program point usb_free_coherentEXIT(lines 8494 8496) no Hoare annotation was computed. [2022-11-23 14:39:07,490 INFO L899 garLoopResultBuilder]: For program point usb_endpoint_xfer_bulkEXIT(lines 6092 6097) no Hoare annotation was computed. [2022-11-23 14:39:07,490 INFO L902 garLoopResultBuilder]: At program point usb_endpoint_xfer_bulkENTRY(lines 6092 6097) the Hoare annotation is: true [2022-11-23 14:39:07,490 INFO L902 garLoopResultBuilder]: At program point atomic_decENTRY(lines 5775 5781) the Hoare annotation is: true [2022-11-23 14:39:07,490 INFO L899 garLoopResultBuilder]: For program point atomic_decEXIT(lines 5775 5781) no Hoare annotation was computed. [2022-11-23 14:39:07,490 INFO L902 garLoopResultBuilder]: At program point L7616(lines 7616 7619) the Hoare annotation is: true [2022-11-23 14:39:07,490 INFO L899 garLoopResultBuilder]: For program point L7612-1(line 7612) no Hoare annotation was computed. [2022-11-23 14:39:07,491 INFO L902 garLoopResultBuilder]: At program point L7612(line 7612) the Hoare annotation is: true [2022-11-23 14:39:07,491 INFO L899 garLoopResultBuilder]: For program point L7608(lines 7608 7611) no Hoare annotation was computed. [2022-11-23 14:39:07,491 INFO L902 garLoopResultBuilder]: At program point L7600(lines 7600 7603) the Hoare annotation is: true [2022-11-23 14:39:07,491 INFO L902 garLoopResultBuilder]: At program point L7229(lines 7222 7249) the Hoare annotation is: true [2022-11-23 14:39:07,491 INFO L902 garLoopResultBuilder]: At program point L7613(lines 7588 7621) the Hoare annotation is: true [2022-11-23 14:39:07,491 INFO L899 garLoopResultBuilder]: For program point L7238(lines 7238 7241) no Hoare annotation was computed. [2022-11-23 14:39:07,491 INFO L899 garLoopResultBuilder]: For program point L7238-1(lines 7238 7241) no Hoare annotation was computed. [2022-11-23 14:39:07,491 INFO L902 garLoopResultBuilder]: At program point L7243(lines 7222 7249) the Hoare annotation is: true [2022-11-23 14:39:07,491 INFO L902 garLoopResultBuilder]: At program point L7239(line 7239) the Hoare annotation is: true [2022-11-23 14:39:07,491 INFO L902 garLoopResultBuilder]: At program point L7615(lines 7588 7621) the Hoare annotation is: true [2022-11-23 14:39:07,491 INFO L899 garLoopResultBuilder]: For program point L7227-1(line 7227) no Hoare annotation was computed. [2022-11-23 14:39:07,492 INFO L902 garLoopResultBuilder]: At program point L7227(line 7227) the Hoare annotation is: true [2022-11-23 14:39:07,492 INFO L899 garLoopResultBuilder]: For program point L7223-1(line 7223) no Hoare annotation was computed. [2022-11-23 14:39:07,492 INFO L902 garLoopResultBuilder]: At program point L7223(line 7223) the Hoare annotation is: true [2022-11-23 14:39:07,492 INFO L902 garLoopResultBuilder]: At program point L7599(lines 7588 7621) the Hoare annotation is: true [2022-11-23 14:39:07,492 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_remove_interfacesEXIT(lines 7585 7622) no Hoare annotation was computed. [2022-11-23 14:39:07,492 INFO L902 garLoopResultBuilder]: At program point kvaser_usb_remove_interfacesENTRY(lines 7585 7622) the Hoare annotation is: true [2022-11-23 14:39:07,492 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-23 14:39:07,492 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-23 14:39:07,493 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:39:07,493 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:39:07,493 INFO L902 garLoopResultBuilder]: At program point wait_for_completion_timeoutENTRY(lines 8515 8517) the Hoare annotation is: true [2022-11-23 14:39:07,493 INFO L899 garLoopResultBuilder]: For program point wait_for_completion_timeoutEXIT(lines 8515 8517) no Hoare annotation was computed. [2022-11-23 14:39:07,493 INFO L899 garLoopResultBuilder]: For program point usb_free_urbEXIT(lines 8497 8499) no Hoare annotation was computed. [2022-11-23 14:39:07,493 INFO L902 garLoopResultBuilder]: At program point usb_free_urbENTRY(lines 8497 8499) the Hoare annotation is: true [2022-11-23 14:39:07,494 INFO L902 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 6213 6218) the Hoare annotation is: true [2022-11-23 14:39:07,494 INFO L899 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6213 6218) no Hoare annotation was computed. [2022-11-23 14:39:07,494 INFO L899 garLoopResultBuilder]: For program point L5842-1(line 5842) no Hoare annotation was computed. [2022-11-23 14:39:07,494 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 5830 5846) the Hoare annotation is: true [2022-11-23 14:39:07,494 INFO L899 garLoopResultBuilder]: For program point L5837(lines 5837 5844) no Hoare annotation was computed. [2022-11-23 14:39:07,494 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5830 5846) no Hoare annotation was computed. [2022-11-23 14:39:07,495 INFO L902 garLoopResultBuilder]: At program point L5842(line 5842) the Hoare annotation is: true [2022-11-23 14:39:07,495 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5830 5846) no Hoare annotation was computed. [2022-11-23 14:39:07,495 INFO L902 garLoopResultBuilder]: At program point usb_anchor_urbENTRY(lines 8484 8486) the Hoare annotation is: true [2022-11-23 14:39:07,495 INFO L899 garLoopResultBuilder]: For program point usb_anchor_urbEXIT(lines 8484 8486) no Hoare annotation was computed. [2022-11-23 14:39:07,495 INFO L899 garLoopResultBuilder]: For program point ldv_check_alloc_flagsEXIT(lines 8260 8269) no Hoare annotation was computed. [2022-11-23 14:39:07,495 INFO L902 garLoopResultBuilder]: At program point ldv_check_alloc_flagsENTRY(lines 8260 8269) the Hoare annotation is: true [2022-11-23 14:39:07,496 INFO L899 garLoopResultBuilder]: For program point L8263(lines 8263 8266) no Hoare annotation was computed. [2022-11-23 14:39:07,496 INFO L899 garLoopResultBuilder]: For program point L8265-1(lines 8260 8269) no Hoare annotation was computed. [2022-11-23 14:39:07,496 INFO L895 garLoopResultBuilder]: At program point L8265(line 8265) the Hoare annotation is: (not (= ~ldv_spin~0 0)) [2022-11-23 14:39:07,496 INFO L902 garLoopResultBuilder]: At program point usb_kill_anchored_urbsENTRY(lines 8500 8502) the Hoare annotation is: true [2022-11-23 14:39:07,496 INFO L899 garLoopResultBuilder]: For program point usb_kill_anchored_urbsEXIT(lines 8500 8502) no Hoare annotation was computed. [2022-11-23 14:39:07,497 INFO L899 garLoopResultBuilder]: For program point kfreeEXIT(lines 8522 8524) no Hoare annotation was computed. [2022-11-23 14:39:07,497 INFO L902 garLoopResultBuilder]: At program point kfreeENTRY(lines 8522 8524) the Hoare annotation is: true [2022-11-23 14:39:07,497 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-23 14:39:07,497 INFO L902 garLoopResultBuilder]: At program point L6173(line 6173) the Hoare annotation is: true [2022-11-23 14:39:07,497 INFO L902 garLoopResultBuilder]: At program point L6173-1(line 6173) the Hoare annotation is: true [2022-11-23 14:39:07,497 INFO L899 garLoopResultBuilder]: For program point init_usb_anchorEXIT(lines 6166 6178) no Hoare annotation was computed. [2022-11-23 14:39:07,498 INFO L902 garLoopResultBuilder]: At program point init_usb_anchorENTRY(lines 6166 6178) the Hoare annotation is: true [2022-11-23 14:39:07,498 INFO L899 garLoopResultBuilder]: For program point warn_slowpath_nullEXIT(lines 8518 8520) no Hoare annotation was computed. [2022-11-23 14:39:07,498 INFO L902 garLoopResultBuilder]: At program point warn_slowpath_nullENTRY(lines 8518 8520) the Hoare annotation is: true [2022-11-23 14:39:07,498 INFO L902 garLoopResultBuilder]: At program point init_completionENTRY(lines 5790 5798) the Hoare annotation is: true [2022-11-23 14:39:07,498 INFO L899 garLoopResultBuilder]: For program point init_completionEXIT(lines 5790 5798) no Hoare annotation was computed. [2022-11-23 14:39:07,499 INFO L902 garLoopResultBuilder]: At program point L5795(line 5795) the Hoare annotation is: true [2022-11-23 14:39:07,499 INFO L899 garLoopResultBuilder]: For program point L5795-1(line 5795) no Hoare annotation was computed. [2022-11-23 14:39:07,499 INFO L902 garLoopResultBuilder]: At program point msecs_to_jiffiesENTRY(lines 8425 8427) the Hoare annotation is: true [2022-11-23 14:39:07,499 INFO L899 garLoopResultBuilder]: For program point msecs_to_jiffiesEXIT(lines 8425 8427) no Hoare annotation was computed. [2022-11-23 14:39:07,499 INFO L902 garLoopResultBuilder]: At program point usb_fill_bulk_urbENTRY(lines 6179 6193) the Hoare annotation is: true [2022-11-23 14:39:07,499 INFO L899 garLoopResultBuilder]: For program point usb_fill_bulk_urbEXIT(lines 6179 6193) no Hoare annotation was computed. [2022-11-23 14:39:07,500 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 5880 5886) the Hoare annotation is: true [2022-11-23 14:39:07,500 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5884) no Hoare annotation was computed. [2022-11-23 14:39:07,500 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5880 5886) no Hoare annotation was computed. [2022-11-23 14:39:07,500 INFO L902 garLoopResultBuilder]: At program point netif_device_detachENTRY(lines 8446 8448) the Hoare annotation is: true [2022-11-23 14:39:07,500 INFO L899 garLoopResultBuilder]: For program point netif_device_detachEXIT(lines 8446 8448) no Hoare annotation was computed. [2022-11-23 14:39:07,501 INFO L902 garLoopResultBuilder]: At program point kmallocENTRY(lines 8061 8068) the Hoare annotation is: true [2022-11-23 14:39:07,501 INFO L902 garLoopResultBuilder]: At program point L5808-1(line 5808) the Hoare annotation is: true [2022-11-23 14:39:07,501 INFO L899 garLoopResultBuilder]: For program point L8064-1(line 8064) no Hoare annotation was computed. [2022-11-23 14:39:07,501 INFO L902 garLoopResultBuilder]: At program point L8064(line 8064) the Hoare annotation is: true [2022-11-23 14:39:07,501 INFO L902 garLoopResultBuilder]: At program point L5808(line 5808) the Hoare annotation is: true [2022-11-23 14:39:07,501 INFO L899 garLoopResultBuilder]: For program point kmallocEXIT(lines 8061 8068) no Hoare annotation was computed. [2022-11-23 14:39:07,502 INFO L902 garLoopResultBuilder]: At program point L6608(lines 6600 6614) the Hoare annotation is: true [2022-11-23 14:39:07,502 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_unlink_tx_urbsEXIT(lines 6597 6615) no Hoare annotation was computed. [2022-11-23 14:39:07,502 INFO L899 garLoopResultBuilder]: For program point L6602(line 6602) no Hoare annotation was computed. [2022-11-23 14:39:07,502 INFO L902 garLoopResultBuilder]: At program point kvaser_usb_unlink_tx_urbsENTRY(lines 6597 6615) the Hoare annotation is: true [2022-11-23 14:39:07,502 INFO L902 garLoopResultBuilder]: At program point L6601-1(line 6601) the Hoare annotation is: true [2022-11-23 14:39:07,502 INFO L902 garLoopResultBuilder]: At program point L6601(line 6601) the Hoare annotation is: true [2022-11-23 14:39:07,503 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 5894 5899) the Hoare annotation is: true [2022-11-23 14:39:07,503 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 5894 5899) no Hoare annotation was computed. [2022-11-23 14:39:07,503 INFO L902 garLoopResultBuilder]: At program point netdev_privENTRY(lines 5971 5976) the Hoare annotation is: true [2022-11-23 14:39:07,503 INFO L899 garLoopResultBuilder]: For program point netdev_privEXIT(lines 5971 5976) no Hoare annotation was computed. [2022-11-23 14:39:07,503 INFO L899 garLoopResultBuilder]: For program point usb_unanchor_urbEXIT(lines 8511 8513) no Hoare annotation was computed. [2022-11-23 14:39:07,504 INFO L902 garLoopResultBuilder]: At program point usb_unanchor_urbENTRY(lines 8511 8513) the Hoare annotation is: true [2022-11-23 14:39:07,504 INFO L902 garLoopResultBuilder]: At program point usb_set_intfdataENTRY(lines 6146 6152) the Hoare annotation is: true [2022-11-23 14:39:07,504 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6146 6152) no Hoare annotation was computed. [2022-11-23 14:39:07,504 INFO L899 garLoopResultBuilder]: For program point netdev_get_tx_queueEXIT(lines 5964 5970) no Hoare annotation was computed. [2022-11-23 14:39:07,504 INFO L902 garLoopResultBuilder]: At program point netdev_get_tx_queueENTRY(lines 5964 5970) the Hoare annotation is: true [2022-11-23 14:39:07,504 INFO L902 garLoopResultBuilder]: At program point __init_waitqueue_headENTRY(lines 8328 8330) the Hoare annotation is: true [2022-11-23 14:39:07,505 INFO L899 garLoopResultBuilder]: For program point __init_waitqueue_headEXIT(lines 8328 8330) no Hoare annotation was computed. [2022-11-23 14:39:07,505 INFO L899 garLoopResultBuilder]: For program point kvaser_usb_send_msgEXIT(lines 6341 6352) no Hoare annotation was computed. [2022-11-23 14:39:07,505 INFO L899 garLoopResultBuilder]: For program point L6347-1(line 6347) no Hoare annotation was computed. [2022-11-23 14:39:07,505 INFO L902 garLoopResultBuilder]: At program point L6347(line 6347) the Hoare annotation is: true [2022-11-23 14:39:07,505 INFO L899 garLoopResultBuilder]: For program point L6348-1(lines 6348 6349) no Hoare annotation was computed. [2022-11-23 14:39:07,505 INFO L902 garLoopResultBuilder]: At program point L6348(lines 6348 6349) the Hoare annotation is: true [2022-11-23 14:39:07,506 INFO L902 garLoopResultBuilder]: At program point kvaser_usb_send_msgENTRY(lines 6341 6352) the Hoare annotation is: true [2022-11-23 14:39:07,506 INFO L899 garLoopResultBuilder]: For program point close_candevEXIT(lines 8374 8376) no Hoare annotation was computed. [2022-11-23 14:39:07,506 INFO L902 garLoopResultBuilder]: At program point close_candevENTRY(lines 8374 8376) the Hoare annotation is: true [2022-11-23 14:39:07,506 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5827 5829) the Hoare annotation is: true [2022-11-23 14:39:07,506 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5827 5829) no Hoare annotation was computed. [2022-11-23 14:39:07,506 INFO L899 garLoopResultBuilder]: For program point free_candevEXIT(lines 8398 8400) no Hoare annotation was computed. [2022-11-23 14:39:07,507 INFO L902 garLoopResultBuilder]: At program point free_candevENTRY(lines 8398 8400) the Hoare annotation is: true [2022-11-23 14:39:07,507 INFO L899 garLoopResultBuilder]: For program point netif_stop_queueEXIT(lines 6037 6045) no Hoare annotation was computed. [2022-11-23 14:39:07,507 INFO L902 garLoopResultBuilder]: At program point L6041(line 6041) the Hoare annotation is: true [2022-11-23 14:39:07,507 INFO L899 garLoopResultBuilder]: For program point L6041-1(line 6041) no Hoare annotation was computed. [2022-11-23 14:39:07,507 INFO L902 garLoopResultBuilder]: At program point netif_stop_queueENTRY(lines 6037 6045) the Hoare annotation is: true [2022-11-23 14:39:07,507 INFO L902 garLoopResultBuilder]: At program point L6027(line 6027) the Hoare annotation is: true [2022-11-23 14:39:07,508 INFO L899 garLoopResultBuilder]: For program point L6023(lines 6023 6026) no Hoare annotation was computed. [2022-11-23 14:39:07,508 INFO L902 garLoopResultBuilder]: At program point L6022(line 6022) the Hoare annotation is: true [2022-11-23 14:39:07,508 INFO L902 garLoopResultBuilder]: At program point L6023-1(lines 6023 6026) the Hoare annotation is: true [2022-11-23 14:39:07,508 INFO L902 garLoopResultBuilder]: At program point L6024(line 6024) the Hoare annotation is: true [2022-11-23 14:39:07,508 INFO L899 garLoopResultBuilder]: For program point L6022-1(line 6022) no Hoare annotation was computed. [2022-11-23 14:39:07,508 INFO L902 garLoopResultBuilder]: At program point usb_alloc_urbENTRY(lines 8481 8483) the Hoare annotation is: true [2022-11-23 14:39:07,509 INFO L899 garLoopResultBuilder]: For program point L8482-1(line 8482) no Hoare annotation was computed. [2022-11-23 14:39:07,509 INFO L902 garLoopResultBuilder]: At program point L8482(line 8482) the Hoare annotation is: true [2022-11-23 14:39:07,509 INFO L899 garLoopResultBuilder]: For program point usb_alloc_urbEXIT(lines 8481 8483) no Hoare annotation was computed. [2022-11-23 14:39:07,509 INFO L899 garLoopResultBuilder]: For program point L5854(lines 5854 5861) no Hoare annotation was computed. [2022-11-23 14:39:07,509 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 5847 5863) no Hoare annotation was computed. [2022-11-23 14:39:07,509 INFO L902 garLoopResultBuilder]: At program point L5859(line 5859) the Hoare annotation is: true [2022-11-23 14:39:07,510 INFO L902 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 5847 5863) the Hoare annotation is: true [2022-11-23 14:39:07,510 INFO L899 garLoopResultBuilder]: For program point L5859-1(line 5859) no Hoare annotation was computed. [2022-11-23 14:39:07,510 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 5847 5863) no Hoare annotation was computed. [2022-11-23 14:39:07,510 INFO L899 garLoopResultBuilder]: For program point L7104-1(line 7104) no Hoare annotation was computed. [2022-11-23 14:39:07,510 INFO L895 garLoopResultBuilder]: At program point L7104(line 7104) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,510 INFO L899 garLoopResultBuilder]: For program point L7170-1(line 7170) no Hoare annotation was computed. [2022-11-23 14:39:07,511 INFO L895 garLoopResultBuilder]: At program point L7765(lines 7765 7769) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,511 INFO L899 garLoopResultBuilder]: For program point L6444-1(line 6444) no Hoare annotation was computed. [2022-11-23 14:39:07,511 INFO L895 garLoopResultBuilder]: At program point L6444(line 6444) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,511 INFO L899 garLoopResultBuilder]: For program point L7171-1(line 7171) no Hoare annotation was computed. [2022-11-23 14:39:07,511 INFO L895 garLoopResultBuilder]: At program point L7171(line 7171) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,511 INFO L895 garLoopResultBuilder]: At program point L7105(line 7105) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,512 INFO L899 garLoopResultBuilder]: For program point L7832-1(line 7832) no Hoare annotation was computed. [2022-11-23 14:39:07,512 INFO L895 garLoopResultBuilder]: At program point L7832(line 7832) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,512 INFO L895 garLoopResultBuilder]: At program point L7502(lines 7372 7504) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,512 INFO L899 garLoopResultBuilder]: For program point L7436-1(lines 7436 7437) no Hoare annotation was computed. [2022-11-23 14:39:07,512 INFO L895 garLoopResultBuilder]: At program point L7436(lines 7436 7437) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,512 INFO L899 garLoopResultBuilder]: For program point L6445(lines 6445 6448) no Hoare annotation was computed. [2022-11-23 14:39:07,513 INFO L899 garLoopResultBuilder]: For program point L6247(lines 6247 6250) no Hoare annotation was computed. [2022-11-23 14:39:07,513 INFO L899 garLoopResultBuilder]: For program point L7304-1(line 7304) no Hoare annotation was computed. [2022-11-23 14:39:07,513 INFO L895 garLoopResultBuilder]: At program point L7304(line 7304) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,513 INFO L895 garLoopResultBuilder]: At program point L7701(lines 7623 7703) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,513 INFO L895 garLoopResultBuilder]: At program point L7834(line 7834) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,514 INFO L899 garLoopResultBuilder]: For program point L7834-1(lines 7831 7841) no Hoare annotation was computed. [2022-11-23 14:39:07,514 INFO L899 garLoopResultBuilder]: For program point L7636-1(line 7636) no Hoare annotation was computed. [2022-11-23 14:39:07,514 INFO L895 garLoopResultBuilder]: At program point L7636(line 7636) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,514 INFO L895 garLoopResultBuilder]: At program point L8231-1(line 8231) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,514 INFO L895 garLoopResultBuilder]: At program point L8231(line 8231) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,514 INFO L895 garLoopResultBuilder]: At program point L8232(line 8232) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,515 INFO L899 garLoopResultBuilder]: For program point L6449-1(line 6449) no Hoare annotation was computed. [2022-11-23 14:39:07,515 INFO L895 garLoopResultBuilder]: At program point L6449(line 6449) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,515 INFO L895 garLoopResultBuilder]: At program point L7176(lines 7158 7178) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,515 INFO L895 garLoopResultBuilder]: At program point L8035(line 8035) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,515 INFO L899 garLoopResultBuilder]: For program point L7903-1(line 7903) no Hoare annotation was computed. [2022-11-23 14:39:07,516 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)) [2022-11-23 14:39:07,516 INFO L895 garLoopResultBuilder]: At program point L7771-1(line 7771) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,516 INFO L895 garLoopResultBuilder]: At program point L7771(line 7771) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,516 INFO L899 garLoopResultBuilder]: For program point L7639(lines 7639 7643) no Hoare annotation was computed. [2022-11-23 14:39:07,516 INFO L899 garLoopResultBuilder]: For program point L7111-1(line 7111) no Hoare annotation was computed. [2022-11-23 14:39:07,516 INFO L895 garLoopResultBuilder]: At program point L7111(line 7111) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,517 INFO L902 garLoopResultBuilder]: At program point L7970(lines 7902 8059) the Hoare annotation is: true [2022-11-23 14:39:07,517 INFO L899 garLoopResultBuilder]: For program point L7772(line 7772) no Hoare annotation was computed. [2022-11-23 14:39:07,517 INFO L895 garLoopResultBuilder]: At program point L6253(lines 6226 6260) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,517 INFO L895 garLoopResultBuilder]: At program point L7839-1(lines 7827 7842) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,517 INFO L895 garLoopResultBuilder]: At program point L7839(line 7839) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,518 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)) [2022-11-23 14:39:07,518 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)) [2022-11-23 14:39:07,518 INFO L899 garLoopResultBuilder]: For program point L7311-1(line 7311) no Hoare annotation was computed. [2022-11-23 14:39:07,518 INFO L895 garLoopResultBuilder]: At program point L7311(line 7311) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,518 INFO L895 garLoopResultBuilder]: At program point L7113(lines 7068 7130) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,518 INFO L899 garLoopResultBuilder]: For program point L7445(lines 7445 7449) no Hoare annotation was computed. [2022-11-23 14:39:07,519 INFO L895 garLoopResultBuilder]: At program point L6124-1(line 6124) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,519 INFO L895 garLoopResultBuilder]: At program point L6124(line 6124) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,519 INFO L899 garLoopResultBuilder]: For program point L7776(line 7776) no Hoare annotation was computed. [2022-11-23 14:39:07,519 INFO L899 garLoopResultBuilder]: For program point L7644-1(line 7644) no Hoare annotation was computed. [2022-11-23 14:39:07,519 INFO L895 garLoopResultBuilder]: At program point L7644(line 7644) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,520 INFO L895 garLoopResultBuilder]: At program point L6455(lines 6439 6457) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,520 INFO L899 garLoopResultBuilder]: For program point L7976(line 7976) no Hoare annotation was computed. [2022-11-23 14:39:07,520 INFO L895 garLoopResultBuilder]: At program point L7778(lines 7755 7825) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,520 INFO L895 garLoopResultBuilder]: At program point L7646(line 7646) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,520 INFO L895 garLoopResultBuilder]: At program point L7646-1(line 7646) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,520 INFO L895 garLoopResultBuilder]: At program point L6259(lines 6219 6261) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,521 INFO L895 garLoopResultBuilder]: At program point L7118(lines 7068 7130) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,521 INFO L902 garLoopResultBuilder]: At program point L7977(line 7977) the Hoare annotation is: true [2022-11-23 14:39:07,521 INFO L895 garLoopResultBuilder]: At program point L7647(line 7647) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,521 INFO L899 garLoopResultBuilder]: For program point L8044(line 8044) no Hoare annotation was computed. [2022-11-23 14:39:07,521 INFO L895 garLoopResultBuilder]: At program point L7780(lines 7755 7825) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,521 INFO L895 garLoopResultBuilder]: At program point L7648(line 7648) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,522 INFO L895 garLoopResultBuilder]: At program point L7186(line 7186) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,522 INFO L895 garLoopResultBuilder]: At program point L7186-1(line 7186) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,522 INFO L902 garLoopResultBuilder]: At program point L8045(line 8045) the Hoare annotation is: true [2022-11-23 14:39:07,522 INFO L899 garLoopResultBuilder]: For program point L7649(line 7649) no Hoare annotation was computed. [2022-11-23 14:39:07,522 INFO L895 garLoopResultBuilder]: At program point L7451(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,523 INFO L899 garLoopResultBuilder]: For program point L7916(lines 7916 8053) no Hoare annotation was computed. [2022-11-23 14:39:07,523 INFO L899 garLoopResultBuilder]: For program point L7718(lines 7718 7725) no Hoare annotation was computed. [2022-11-23 14:39:07,523 INFO L899 garLoopResultBuilder]: For program point L7784(lines 7784 7789) no Hoare annotation was computed. [2022-11-23 14:39:07,523 INFO L899 garLoopResultBuilder]: For program point L7718-1(lines 7718 7725) no Hoare annotation was computed. [2022-11-23 14:39:07,523 INFO L899 garLoopResultBuilder]: For program point L6463-1(line 6463) no Hoare annotation was computed. [2022-11-23 14:39:07,523 INFO L895 garLoopResultBuilder]: At program point L6463(line 6463) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,524 INFO L899 garLoopResultBuilder]: For program point L7190(lines 7190 7193) no Hoare annotation was computed. [2022-11-23 14:39:07,524 INFO L899 garLoopResultBuilder]: For program point L7983(line 7983) no Hoare annotation was computed. [2022-11-23 14:39:07,524 INFO L899 garLoopResultBuilder]: For program point L7917(line 7917) no Hoare annotation was computed. [2022-11-23 14:39:07,524 INFO L899 garLoopResultBuilder]: For program point L6464(lines 6464 6467) no Hoare annotation was computed. [2022-11-23 14:39:07,524 INFO L899 garLoopResultBuilder]: For program point L7257-1(line 7257) no Hoare annotation was computed. [2022-11-23 14:39:07,524 INFO L895 garLoopResultBuilder]: At program point L7257(line 7257) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,525 INFO L899 garLoopResultBuilder]: For program point L7918(lines 7918 7945) no Hoare annotation was computed. [2022-11-23 14:39:07,525 INFO L899 garLoopResultBuilder]: For program point L7984(lines 7984 8049) no Hoare annotation was computed. [2022-11-23 14:39:07,525 INFO L895 garLoopResultBuilder]: At program point L7456(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,525 INFO L895 garLoopResultBuilder]: At program point L7258(line 7258) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,525 INFO L895 garLoopResultBuilder]: At program point L7324-1(line 7324) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,526 INFO L895 garLoopResultBuilder]: At program point L7324(line 7324) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,526 INFO L899 garLoopResultBuilder]: For program point L7258-1(line 7258) no Hoare annotation was computed. [2022-11-23 14:39:07,526 INFO L899 garLoopResultBuilder]: For program point L8051(line 8051) no Hoare annotation was computed. [2022-11-23 14:39:07,526 INFO L895 garLoopResultBuilder]: At program point L7655(lines 7635 7702) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,526 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:39:07,526 INFO L899 garLoopResultBuilder]: For program point L7259(lines 7259 7262) no Hoare annotation was computed. [2022-11-23 14:39:07,527 INFO L899 garLoopResultBuilder]: For program point L7986(lines 7986 8046) no Hoare annotation was computed. [2022-11-23 14:39:07,527 INFO L902 garLoopResultBuilder]: At program point L8052(line 8052) the Hoare annotation is: true [2022-11-23 14:39:07,527 INFO L899 garLoopResultBuilder]: For program point L7920(lines 7920 7942) no Hoare annotation was computed. [2022-11-23 14:39:07,527 INFO L899 garLoopResultBuilder]: For program point L7987(line 7987) no Hoare annotation was computed. [2022-11-23 14:39:07,527 INFO L899 garLoopResultBuilder]: For program point L7921(line 7921) no Hoare annotation was computed. [2022-11-23 14:39:07,527 INFO L899 garLoopResultBuilder]: For program point L6468-1(line 6468) no Hoare annotation was computed. [2022-11-23 14:39:07,528 INFO L895 garLoopResultBuilder]: At program point L6468(line 6468) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,528 INFO L899 garLoopResultBuilder]: For program point L7393-1(line 7393) no Hoare annotation was computed. [2022-11-23 14:39:07,528 INFO L895 garLoopResultBuilder]: At program point L7393(line 7393) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,528 INFO L899 garLoopResultBuilder]: For program point L7195(lines 7195 7198) no Hoare annotation was computed. [2022-11-23 14:39:07,528 INFO L895 garLoopResultBuilder]: At program point L8054(lines 7902 8059) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,528 INFO L895 garLoopResultBuilder]: At program point L7129(lines 7059 7131) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,529 INFO L899 garLoopResultBuilder]: For program point L7922(lines 7922 7930) no Hoare annotation was computed. [2022-11-23 14:39:07,529 INFO L899 garLoopResultBuilder]: For program point L7988(lines 7988 7992) no Hoare annotation was computed. [2022-11-23 14:39:07,529 INFO L899 garLoopResultBuilder]: For program point L7791(lines 7791 7796) no Hoare annotation was computed. [2022-11-23 14:39:07,529 INFO L899 garLoopResultBuilder]: For program point L7263-1(line 7263) no Hoare annotation was computed. [2022-11-23 14:39:07,529 INFO L895 garLoopResultBuilder]: At program point L7263(line 7263) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,529 INFO L899 garLoopResultBuilder]: For program point L7726(lines 7726 7733) no Hoare annotation was computed. [2022-11-23 14:39:07,530 INFO L899 garLoopResultBuilder]: For program point L7726-1(lines 7726 7733) no Hoare annotation was computed. [2022-11-23 14:39:07,530 INFO L899 garLoopResultBuilder]: For program point L7264-1(line 7264) no Hoare annotation was computed. [2022-11-23 14:39:07,530 INFO L895 garLoopResultBuilder]: At program point L7264(line 7264) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,530 INFO L899 garLoopResultBuilder]: For program point L7200(lines 7200 7203) no Hoare annotation was computed. [2022-11-23 14:39:07,530 INFO L899 garLoopResultBuilder]: For program point L7994(line 7994) no Hoare annotation was computed. [2022-11-23 14:39:07,530 INFO L899 garLoopResultBuilder]: For program point L7070(lines 7070 7073) no Hoare annotation was computed. [2022-11-23 14:39:07,531 INFO L899 garLoopResultBuilder]: For program point L7995(lines 7995 7999) no Hoare annotation was computed. [2022-11-23 14:39:07,531 INFO L899 garLoopResultBuilder]: For program point L7995-2(lines 7986 8046) no Hoare annotation was computed. [2022-11-23 14:39:07,531 INFO L899 garLoopResultBuilder]: For program point L7467-1(line 7467) no Hoare annotation was computed. [2022-11-23 14:39:07,531 INFO L895 garLoopResultBuilder]: At program point L7467(line 7467) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,531 INFO L899 garLoopResultBuilder]: For program point L7401(lines 7401 7404) no Hoare annotation was computed. [2022-11-23 14:39:07,531 INFO L895 garLoopResultBuilder]: At program point L7269(lines 7251 7271) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,532 INFO L899 garLoopResultBuilder]: For program point L7996-1(line 7996) no Hoare annotation was computed. [2022-11-23 14:39:07,532 INFO L895 garLoopResultBuilder]: At program point L7996(line 7996) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,532 INFO L899 garLoopResultBuilder]: For program point L7468-1(lines 7468 7469) no Hoare annotation was computed. [2022-11-23 14:39:07,532 INFO L895 garLoopResultBuilder]: At program point L7468(lines 7468 7469) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,532 INFO L895 garLoopResultBuilder]: At program point L8195-1(line 8195) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,532 INFO L895 garLoopResultBuilder]: At program point L7138(line 7138) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,533 INFO L895 garLoopResultBuilder]: At program point L8195(line 8195) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,533 INFO L899 garLoopResultBuilder]: For program point L7138-1(line 7138) no Hoare annotation was computed. [2022-11-23 14:39:07,533 INFO L895 garLoopResultBuilder]: At program point L6478(lines 6458 6480) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,533 INFO L895 garLoopResultBuilder]: At program point L8196(line 8196) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,533 INFO L899 garLoopResultBuilder]: For program point L7205(lines 7205 7210) no Hoare annotation was computed. [2022-11-23 14:39:07,533 INFO L899 garLoopResultBuilder]: For program point L7932(line 7932) no Hoare annotation was computed. [2022-11-23 14:39:07,534 INFO L899 garLoopResultBuilder]: For program point L7734-2(lines 7734 7737) no Hoare annotation was computed. [2022-11-23 14:39:07,534 INFO L895 garLoopResultBuilder]: At program point L7470(line 7470) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,534 INFO L895 garLoopResultBuilder]: At program point L7470-1(line 7470) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,534 INFO L899 garLoopResultBuilder]: For program point L7140(lines 7140 7143) no Hoare annotation was computed. [2022-11-23 14:39:07,534 INFO L899 garLoopResultBuilder]: For program point L7933(lines 7933 7938) no Hoare annotation was computed. [2022-11-23 14:39:07,534 INFO L895 garLoopResultBuilder]: At program point L8396-1(line 8396) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,535 INFO L895 garLoopResultBuilder]: At program point L8396(line 8396) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,535 INFO L899 garLoopResultBuilder]: For program point L7406(lines 7406 7411) no Hoare annotation was computed. [2022-11-23 14:39:07,535 INFO L895 garLoopResultBuilder]: At program point L7208(lines 7185 7216) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,535 INFO L899 garLoopResultBuilder]: For program point L8001-1(line 8001) no Hoare annotation was computed. [2022-11-23 14:39:07,535 INFO L895 garLoopResultBuilder]: At program point L8001(line 8001) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,535 INFO L899 garLoopResultBuilder]: For program point L7803-1(line 7803) no Hoare annotation was computed. [2022-11-23 14:39:07,536 INFO L895 garLoopResultBuilder]: At program point L7803(line 7803) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,536 INFO L899 garLoopResultBuilder]: For program point L7474(lines 7474 7477) no Hoare annotation was computed. [2022-11-23 14:39:07,536 INFO L899 garLoopResultBuilder]: For program point L7474-1(lines 7474 7477) no Hoare annotation was computed. [2022-11-23 14:39:07,536 INFO L895 garLoopResultBuilder]: At program point L7739(lines 7712 7745) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,536 INFO L895 garLoopResultBuilder]: At program point L7475(line 7475) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,536 INFO L895 garLoopResultBuilder]: At program point L7740(lines 7740 7743) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,537 INFO L895 garLoopResultBuilder]: At program point L7278(line 7278) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,537 INFO L899 garLoopResultBuilder]: For program point L7278-1(line 7278) no Hoare annotation was computed. [2022-11-23 14:39:07,537 INFO L899 garLoopResultBuilder]: For program point L7080(lines 7080 7085) no Hoare annotation was computed. [2022-11-23 14:39:07,537 INFO L899 garLoopResultBuilder]: For program point L8204-1(line 8204) no Hoare annotation was computed. [2022-11-23 14:39:07,537 INFO L895 garLoopResultBuilder]: At program point L8204(line 8204) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,537 INFO L899 garLoopResultBuilder]: For program point L8006(line 8006) no Hoare annotation was computed. [2022-11-23 14:39:07,537 INFO L899 garLoopResultBuilder]: For program point L7940(line 7940) no Hoare annotation was computed. [2022-11-23 14:39:07,538 INFO L899 garLoopResultBuilder]: For program point L7412-1(line 7412) no Hoare annotation was computed. [2022-11-23 14:39:07,538 INFO L895 garLoopResultBuilder]: At program point L7412(line 7412) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,538 INFO L899 garLoopResultBuilder]: For program point L7214(line 7214) no Hoare annotation was computed. [2022-11-23 14:39:07,538 INFO L899 garLoopResultBuilder]: For program point L7280(lines 7280 7283) no Hoare annotation was computed. [2022-11-23 14:39:07,538 INFO L899 garLoopResultBuilder]: For program point L8007(lines 8007 8014) no Hoare annotation was computed. [2022-11-23 14:39:07,538 INFO L902 garLoopResultBuilder]: At program point L7941(line 7941) the Hoare annotation is: true [2022-11-23 14:39:07,539 INFO L899 garLoopResultBuilder]: For program point L7479-1(line 7479) no Hoare annotation was computed. [2022-11-23 14:39:07,539 INFO L895 garLoopResultBuilder]: At program point L7479(line 7479) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,539 INFO L899 garLoopResultBuilder]: For program point L7413(lines 7413 7417) no Hoare annotation was computed. [2022-11-23 14:39:07,539 INFO L895 garLoopResultBuilder]: At program point L7215(lines 7179 7217) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,539 INFO L895 garLoopResultBuilder]: At program point L7876-1(line 7876) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,539 INFO L895 garLoopResultBuilder]: At program point L7876(line 7876) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,540 INFO L895 garLoopResultBuilder]: At program point L7744(lines 7704 7746) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,540 INFO L895 garLoopResultBuilder]: At program point L7480(lines 7480 7493) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,540 INFO L899 garLoopResultBuilder]: For program point L7813(lines 7813 7817) no Hoare annotation was computed. [2022-11-23 14:39:07,540 INFO L895 garLoopResultBuilder]: At program point L7483-1(line 7483) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,540 INFO L895 garLoopResultBuilder]: At program point L7483(line 7483) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,540 INFO L899 garLoopResultBuilder]: For program point L6228(lines 6228 6254) no Hoare annotation was computed. [2022-11-23 14:39:07,541 INFO L899 garLoopResultBuilder]: For program point L7153-1(line 7153) no Hoare annotation was computed. [2022-11-23 14:39:07,541 INFO L895 garLoopResultBuilder]: At program point L7153(line 7153) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,541 INFO L895 garLoopResultBuilder]: At program point L7814(line 7814) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,541 INFO L899 garLoopResultBuilder]: For program point L7814-1(line 7814) no Hoare annotation was computed. [2022-11-23 14:39:07,541 INFO L899 garLoopResultBuilder]: For program point L7484(line 7484) no Hoare annotation was computed. [2022-11-23 14:39:07,541 INFO L895 garLoopResultBuilder]: At program point L7154(line 7154) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,542 INFO L895 garLoopResultBuilder]: At program point L6229(line 6229) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,542 INFO L899 garLoopResultBuilder]: For program point L6229-1(line 6229) no Hoare annotation was computed. [2022-11-23 14:39:07,542 INFO L899 garLoopResultBuilder]: For program point L7088(lines 7088 7094) no Hoare annotation was computed. [2022-11-23 14:39:07,542 INFO L899 garLoopResultBuilder]: For program point L7154-1(line 7154) no Hoare annotation was computed. [2022-11-23 14:39:07,542 INFO L899 garLoopResultBuilder]: For program point L7947(line 7947) no Hoare annotation was computed. [2022-11-23 14:39:07,542 INFO L899 garLoopResultBuilder]: For program point L7683(lines 7683 7689) no Hoare annotation was computed. [2022-11-23 14:39:07,543 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 14:39:07,543 INFO L899 garLoopResultBuilder]: For program point L6230(lines 6230 6238) no Hoare annotation was computed. [2022-11-23 14:39:07,543 INFO L895 garLoopResultBuilder]: At program point L7155(lines 7132 7157) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,543 INFO L899 garLoopResultBuilder]: For program point L7948(lines 7948 7981) no Hoare annotation was computed. [2022-11-23 14:39:07,543 INFO L899 garLoopResultBuilder]: For program point L7486(lines 7486 7490) no Hoare annotation was computed. [2022-11-23 14:39:07,543 INFO L895 garLoopResultBuilder]: At program point L7486-1(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,544 INFO L899 garLoopResultBuilder]: For program point L7288-1(line 7288) no Hoare annotation was computed. [2022-11-23 14:39:07,544 INFO L895 garLoopResultBuilder]: At program point L7288(line 7288) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,544 INFO L895 garLoopResultBuilder]: At program point L7090(line 7090) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,544 INFO L895 garLoopResultBuilder]: At program point L8213-1(line 8213) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,544 INFO L895 garLoopResultBuilder]: At program point L8213(line 8213) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,544 INFO L899 garLoopResultBuilder]: For program point L7090-1(line 7090) no Hoare annotation was computed. [2022-11-23 14:39:07,545 INFO L899 garLoopResultBuilder]: For program point L7685-1(line 7685) no Hoare annotation was computed. [2022-11-23 14:39:07,545 INFO L895 garLoopResultBuilder]: At program point L7685(line 7685) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,545 INFO L895 garLoopResultBuilder]: At program point L7487(line 7487) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,545 INFO L895 garLoopResultBuilder]: At program point L8214(line 8214) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,545 INFO L899 garLoopResultBuilder]: For program point L7289-1(line 7289) no Hoare annotation was computed. [2022-11-23 14:39:07,545 INFO L895 garLoopResultBuilder]: At program point L7289(line 7289) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,545 INFO L899 garLoopResultBuilder]: For program point L7950(lines 7950 7978) no Hoare annotation was computed. [2022-11-23 14:39:07,546 INFO L899 garLoopResultBuilder]: For program point L8016(line 8016) no Hoare annotation was computed. [2022-11-23 14:39:07,546 INFO L895 garLoopResultBuilder]: At program point L7290(lines 7272 7292) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,546 INFO L895 garLoopResultBuilder]: At program point L8479(line 8479) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,546 INFO L895 garLoopResultBuilder]: At program point L8479-1(line 8479) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,546 INFO L895 garLoopResultBuilder]: At program point L6233(line 6233) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,546 INFO L899 garLoopResultBuilder]: For program point L6233-1(line 6233) no Hoare annotation was computed. [2022-11-23 14:39:07,547 INFO L899 garLoopResultBuilder]: For program point L7951(line 7951) no Hoare annotation was computed. [2022-11-23 14:39:07,547 INFO L899 garLoopResultBuilder]: For program point L8017(lines 8017 8021) no Hoare annotation was computed. [2022-11-23 14:39:07,547 INFO L895 garLoopResultBuilder]: At program point L7819(lines 7755 7825) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,547 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)) [2022-11-23 14:39:07,547 INFO L895 garLoopResultBuilder]: At program point L7885(line 7885) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~ldv_spin~0 0)) [2022-11-23 14:39:07,548 INFO L899 garLoopResultBuilder]: For program point L6234(lines 6234 6237) no Hoare annotation was computed. [2022-11-23 14:39:07,548 INFO L895 garLoopResultBuilder]: At program point L7952(lines 7952 7957) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,548 INFO L895 garLoopResultBuilder]: At program point L7820(lines 7820 7823) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,548 INFO L895 garLoopResultBuilder]: At program point L6104-1(line 6104) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,548 INFO L899 garLoopResultBuilder]: For program point L7095-1(line 7095) no Hoare annotation was computed. [2022-11-23 14:39:07,548 INFO L895 garLoopResultBuilder]: At program point L7095(line 7095) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,549 INFO L895 garLoopResultBuilder]: At program point L6104(line 6104) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,549 INFO L899 garLoopResultBuilder]: For program point L7096-1(lines 7096 7097) no Hoare annotation was computed. [2022-11-23 14:39:07,549 INFO L895 garLoopResultBuilder]: At program point L7096(lines 7096 7097) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,549 INFO L895 garLoopResultBuilder]: At program point L7824(lines 7747 7826) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,549 INFO L895 garLoopResultBuilder]: At program point L7494(line 7494) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,549 INFO L899 garLoopResultBuilder]: For program point L7494-1(line 7494) no Hoare annotation was computed. [2022-11-23 14:39:07,549 INFO L899 garLoopResultBuilder]: For program point L7164-1(line 7164) no Hoare annotation was computed. [2022-11-23 14:39:07,550 INFO L895 garLoopResultBuilder]: At program point L7164(line 7164) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,550 INFO L895 garLoopResultBuilder]: At program point L8023(line 8023) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,550 INFO L899 garLoopResultBuilder]: For program point L7759(lines 7759 7762) no Hoare annotation was computed. [2022-11-23 14:39:07,550 INFO L899 garLoopResultBuilder]: For program point L6240-1(lines 6228 6254) no Hoare annotation was computed. [2022-11-23 14:39:07,550 INFO L895 garLoopResultBuilder]: At program point L8222(line 8222) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,550 INFO L899 garLoopResultBuilder]: For program point L6240(lines 6240 6254) no Hoare annotation was computed. [2022-11-23 14:39:07,551 INFO L899 garLoopResultBuilder]: For program point L7165-1(line 7165) no Hoare annotation was computed. [2022-11-23 14:39:07,551 INFO L895 garLoopResultBuilder]: At program point L7165(line 7165) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,551 INFO L895 garLoopResultBuilder]: At program point L8222-1(line 8222) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,551 INFO L899 garLoopResultBuilder]: For program point L7166(lines 7166 7169) no Hoare annotation was computed. [2022-11-23 14:39:07,551 INFO L895 garLoopResultBuilder]: At program point L8223(line 8223) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,551 INFO L895 garLoopResultBuilder]: At program point L6241(line 6241) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,552 INFO L899 garLoopResultBuilder]: For program point L6241-1(line 6241) no Hoare annotation was computed. [2022-11-23 14:39:07,552 INFO L899 garLoopResultBuilder]: For program point L7100-1(line 7100) no Hoare annotation was computed. [2022-11-23 14:39:07,552 INFO L895 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,552 INFO L899 garLoopResultBuilder]: For program point L7959(line 7959) no Hoare annotation was computed. [2022-11-23 14:39:07,552 INFO L895 garLoopResultBuilder]: At program point L7497(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,552 INFO L899 garLoopResultBuilder]: For program point L6242(lines 6242 6251) no Hoare annotation was computed. [2022-11-23 14:39:07,553 INFO L895 garLoopResultBuilder]: At program point L7960(lines 7960 7974) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,553 INFO L899 garLoopResultBuilder]: For program point L7696-1(line 7696) no Hoare annotation was computed. [2022-11-23 14:39:07,553 INFO L895 garLoopResultBuilder]: At program point L7696(line 7696) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,553 INFO L899 garLoopResultBuilder]: For program point L7102(lines 7102 7108) no Hoare annotation was computed. [2022-11-23 14:39:07,553 INFO L895 garLoopResultBuilder]: At program point L7499(lines 7392 7503) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,553 INFO L895 garLoopResultBuilder]: At program point L8358(line 8358) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,554 INFO L899 garLoopResultBuilder]: For program point L7301-1(line 7301) no Hoare annotation was computed. [2022-11-23 14:39:07,554 INFO L895 garLoopResultBuilder]: At program point L8358-1(line 8358) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,554 INFO L895 garLoopResultBuilder]: At program point L7301(line 7301) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,554 INFO L899 garLoopResultBuilder]: For program point L7103-1(line 7103) no Hoare annotation was computed. [2022-11-23 14:39:07,554 INFO L895 garLoopResultBuilder]: At program point L7103(line 7103) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,554 INFO L899 garLoopResultBuilder]: For program point L7962(lines 7962 7967) no Hoare annotation was computed. [2022-11-23 14:39:07,555 INFO L899 garLoopResultBuilder]: For program point L7962-2(lines 7960 7973) no Hoare annotation was computed. [2022-11-23 14:39:07,555 INFO L895 garLoopResultBuilder]: At program point L7170(line 7170) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,555 INFO L895 garLoopResultBuilder]: At program point L6245(lines 6245 6246) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-23 14:39:07,555 INFO L899 garLoopResultBuilder]: For program point L6245-1(lines 6245 6246) no Hoare annotation was computed. [2022-11-23 14:39:07,555 INFO L902 garLoopResultBuilder]: At program point can_change_mtuENTRY(lines 8361 8363) the Hoare annotation is: true [2022-11-23 14:39:07,555 INFO L899 garLoopResultBuilder]: For program point can_change_mtuEXIT(lines 8361 8363) no Hoare annotation was computed. [2022-11-23 14:39:07,560 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:39:07,562 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:39:07,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:39:07 BoogieIcfgContainer [2022-11-23 14:39:07,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:39:07,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:39:07,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:39:07,606 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:39:07,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:37:44" (3/4) ... [2022-11-23 14:39:07,610 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:39:07,617 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_set [2022-11-23 14:39:07,617 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_kill_anchored_urbs [2022-11-23 14:39:07,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2022-11-23 14:39:07,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_usb_anchor [2022-11-23 14:39:07,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_wait_msg [2022-11-23 14:39:07,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure warn_slowpath_null [2022-11-23 14:39:07,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_get_intfdata [2022-11-23 14:39:07,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2022-11-23 14:39:07,619 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_completion [2022-11-23 14:39:07,619 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure msecs_to_jiffies [2022-11-23 14:39:07,619 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_fill_bulk_urb [2022-11-23 14:39:07,619 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-23 14:39:07,619 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_send_simple_msg [2022-11-23 14:39:07,619 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_device_detach [2022-11-23 14:39:07,619 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2022-11-23 14:39:07,620 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_bulk_msg [2022-11-23 14:39:07,620 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-23 14:39:07,620 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_coherent [2022-11-23 14:39:07,620 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_unlink_tx_urbs [2022-11-23 14:39:07,620 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_endpoint_xfer_bulk [2022-11-23 14:39:07,620 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-11-23 14:39:07,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2022-11-23 14:39:07,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_dec [2022-11-23 14:39:07,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_unanchor_urb [2022-11-23 14:39:07,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2022-11-23 14:39:07,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_get_tx_queue [2022-11-23 14:39:07,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __init_waitqueue_head [2022-11-23 14:39:07,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_send_msg [2022-11-23 14:39:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure close_candev [2022-11-23 14:39:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kvaser_usb_remove_interfaces [2022-11-23 14:39:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-23 14:39:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2022-11-23 14:39:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_candev [2022-11-23 14:39:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion_timeout [2022-11-23 14:39:07,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2022-11-23 14:39:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2022-11-23 14:39:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_stop_queue [2022-11-23 14:39:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-23 14:39:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_alloc_urb [2022-11-23 14:39:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2022-11-23 14:39:07,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_anchor_urb [2022-11-23 14:39:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2022-11-23 14:39:07,624 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_change_mtu [2022-11-23 14:39:07,655 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 348 nodes and edges [2022-11-23 14:39:07,659 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2022-11-23 14:39:07,662 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-23 14:39:07,666 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-23 14:39:07,669 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 14:39:07,673 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:39:07,676 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:39:08,098 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:39:08,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:39:08,100 INFO L158 Benchmark]: Toolchain (without parser) took 89433.44ms. Allocated memory was 159.4MB in the beginning and 507.5MB in the end (delta: 348.1MB). Free memory was 99.8MB in the beginning and 193.9MB in the end (delta: -94.1MB). Peak memory consumption was 254.7MB. Max. memory is 16.1GB. [2022-11-23 14:39:08,100 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 159.4MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:39:08,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2428.10ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 99.6MB in the beginning and 102.0MB in the end (delta: -2.4MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2022-11-23 14:39:08,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 196.11ms. Allocated memory is still 222.3MB. Free memory was 102.0MB in the beginning and 87.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 14:39:08,102 INFO L158 Benchmark]: Boogie Preprocessor took 162.78ms. Allocated memory is still 222.3MB. Free memory was 87.3MB in the beginning and 144.3MB in the end (delta: -57.0MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2022-11-23 14:39:08,102 INFO L158 Benchmark]: RCFGBuilder took 3517.79ms. Allocated memory was 222.3MB in the beginning and 350.2MB in the end (delta: 127.9MB). Free memory was 144.3MB in the beginning and 133.9MB in the end (delta: 10.4MB). Peak memory consumption was 145.7MB. Max. memory is 16.1GB. [2022-11-23 14:39:08,103 INFO L158 Benchmark]: TraceAbstraction took 82626.86ms. Allocated memory was 350.2MB in the beginning and 507.5MB in the end (delta: 157.3MB). Free memory was 132.8MB in the beginning and 257.9MB in the end (delta: -125.1MB). Peak memory consumption was 188.4MB. Max. memory is 16.1GB. [2022-11-23 14:39:08,103 INFO L158 Benchmark]: Witness Printer took 493.84ms. Allocated memory is still 507.5MB. Free memory was 257.9MB in the beginning and 193.9MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-23 14:39:08,107 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 159.4MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2428.10ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 99.6MB in the beginning and 102.0MB in the end (delta: -2.4MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 196.11ms. Allocated memory is still 222.3MB. Free memory was 102.0MB in the beginning and 87.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.78ms. Allocated memory is still 222.3MB. Free memory was 87.3MB in the beginning and 144.3MB in the end (delta: -57.0MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3517.79ms. Allocated memory was 222.3MB in the beginning and 350.2MB in the end (delta: 127.9MB). Free memory was 144.3MB in the beginning and 133.9MB in the end (delta: 10.4MB). Peak memory consumption was 145.7MB. Max. memory is 16.1GB. * TraceAbstraction took 82626.86ms. Allocated memory was 350.2MB in the beginning and 507.5MB in the end (delta: 157.3MB). Free memory was 132.8MB in the beginning and 257.9MB in the end (delta: -125.1MB). Peak memory consumption was 188.4MB. Max. memory is 16.1GB. * Witness Printer took 493.84ms. Allocated memory is still 507.5MB. Free memory was 257.9MB in the beginning and 193.9MB 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: 82.5s, OverallIterations: 11, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 62.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 mSolverCounterUnknown, 3806 SdHoareTripleChecker+Valid, 60.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3683 mSDsluCounter, 12797 SdHoareTripleChecker+Invalid, 59.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5794 mSDsCounter, 145 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2229 IncrementalHoareTripleChecker+Invalid, 2397 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 145 mSolverCounterUnsat, 7003 mSDtfsCounter, 2229 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 23 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=5148occurred 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: 1.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 4297 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 230 LocationsWithAnnotation, 8571 PreInvPairs, 9677 NumberOfFragments, 530 HoareAnnotationTreeSize, 8571 FomulaSimplifications, 26773 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 230 FomulaSimplificationsInter, 4854 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 6.9s 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! [2022-11-23 14:39:08,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be5de92b-6294-4d7b-9cfb-0320c2eb7bda/bin/utaipan-Q6hlc19bkW/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