./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-kernel--locking--locktorture.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c0e62a2f55ddaeb08563a2d9bb0bfed8d8d740037b0faa92e9ebf8fe89adc120 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:16:02,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:16:02,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:16:03,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:16:03,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:16:03,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:16:03,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:16:03,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:16:03,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:16:03,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:16:03,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:16:03,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:16:03,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:16:03,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:16:03,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:16:03,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:16:03,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:16:03,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:16:03,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:16:03,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:16:03,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:16:03,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:16:03,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:16:03,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:16:03,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:16:03,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:16:03,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:16:03,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:16:03,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:16:03,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:16:03,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:16:03,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:16:03,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:16:03,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:16:03,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:16:03,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:16:03,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:16:03,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:16:03,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:16:03,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:16:03,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:16:03,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:16:03,169 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:16:03,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:16:03,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:16:03,171 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:16:03,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:16:03,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:16:03,172 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:16:03,173 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:16:03,173 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:16:03,173 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:16:03,174 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:16:03,175 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:16:03,175 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:16:03,175 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:16:03,175 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:16:03,176 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:16:03,176 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:16:03,176 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:16:03,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:16:03,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:16:03,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:16:03,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:16:03,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:16:03,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:16:03,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:16:03,178 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:16:03,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:16:03,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:16:03,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:16:03,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:16:03,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:16:03,180 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:16:03,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:16:03,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:16:03,181 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:16:03,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:16:03,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:16:03,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:16:03,182 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_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0e62a2f55ddaeb08563a2d9bb0bfed8d8d740037b0faa92e9ebf8fe89adc120 [2022-11-03 02:16:03,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:16:03,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:16:03,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:16:03,580 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:16:03,581 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:16:03,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point.cil.out.i [2022-11-03 02:16:03,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/data/48df40edc/096c6fb149184fc6820d8c0719012ea2/FLAG9434d9b6e [2022-11-03 02:16:04,569 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:16:04,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point.cil.out.i [2022-11-03 02:16:04,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/data/48df40edc/096c6fb149184fc6820d8c0719012ea2/FLAG9434d9b6e [2022-11-03 02:16:04,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/data/48df40edc/096c6fb149184fc6820d8c0719012ea2 [2022-11-03 02:16:04,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:16:04,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:16:04,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:16:04,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:16:04,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:16:04,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:16:04" (1/1) ... [2022-11-03 02:16:04,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257461ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:04, skipping insertion in model container [2022-11-03 02:16:04,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:16:04" (1/1) ... [2022-11-03 02:16:04,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:16:04,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:16:05,258 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1764] [2022-11-03 02:16:05,265 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1765-1766] [2022-11-03 02:16:05,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point.cil.out.i[52456,52469] [2022-11-03 02:16:05,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:16:05,824 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:16:05,910 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1764] [2022-11-03 02:16:05,920 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1765-1766] [2022-11-03 02:16:05,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point.cil.out.i[52456,52469] [2022-11-03 02:16:06,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:16:06,119 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:16:06,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:06 WrapperNode [2022-11-03 02:16:06,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:16:06,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:16:06,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:16:06,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:16:06,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:06" (1/1) ... [2022-11-03 02:16:06,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:06" (1/1) ... [2022-11-03 02:16:06,290 INFO L138 Inliner]: procedures = 114, calls = 288, calls flagged for inlining = 49, calls inlined = 38, statements flattened = 878 [2022-11-03 02:16:06,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:16:06,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:16:06,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:16:06,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:16:06,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:06" (1/1) ... [2022-11-03 02:16:06,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:06" (1/1) ... [2022-11-03 02:16:06,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:06" (1/1) ... [2022-11-03 02:16:06,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:06" (1/1) ... [2022-11-03 02:16:06,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:06" (1/1) ... [2022-11-03 02:16:06,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:06" (1/1) ... [2022-11-03 02:16:06,405 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:06" (1/1) ... [2022-11-03 02:16:06,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:06" (1/1) ... [2022-11-03 02:16:06,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:16:06,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:16:06,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:16:06,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:16:06,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:06" (1/1) ... [2022-11-03 02:16:06,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:16:06,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:16:06,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:16:06,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:16:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_stop_kthread [2022-11-03 02:16:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_stop_kthread [2022-11-03 02:16:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_lock [2022-11-03 02:16:06,531 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_lock [2022-11-03 02:16:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:16:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:16:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:16:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_delay [2022-11-03 02:16:06,532 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_delay [2022-11-03 02:16:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 02:16:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 02:16:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:16:06,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:16:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_create_kthread [2022-11-03 02:16:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_create_kthread [2022-11-03 02:16:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock [2022-11-03 02:16:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock [2022-11-03 02:16:06,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:16:06,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:16:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:16:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:16:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_spin_write_unlock_irq [2022-11-03 02:16:06,535 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_spin_write_unlock_irq [2022-11-03 02:16:06,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:16:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:16:06,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:16:06,536 INFO L130 BoogieDeclarations]: Found specification of procedure torture_random [2022-11-03 02:16:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_random [2022-11-03 02:16:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_cleanup [2022-11-03 02:16:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_cleanup [2022-11-03 02:16:06,537 INFO L130 BoogieDeclarations]: Found specification of procedure torture_init_end [2022-11-03 02:16:06,537 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_init_end [2022-11-03 02:16:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:16:06,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:16:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:16:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-11-03 02:16:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-11-03 02:16:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:16:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:16:06,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:16:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:16:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:16:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_stats_print [2022-11-03 02:16:06,541 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_stats_print [2022-11-03 02:16:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:16:06,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 02:16:06,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 02:16:06,544 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock_irq [2022-11-03 02:16:06,544 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock_irq [2022-11-03 02:16:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:16:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:16:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_delay [2022-11-03 02:16:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_delay [2022-11-03 02:16:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:16:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:16:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_unlock [2022-11-03 02:16:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_unlock [2022-11-03 02:16:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_print_module_parms [2022-11-03 02:16:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_print_module_parms [2022-11-03 02:16:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:16:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:16:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:16:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_unlock [2022-11-03 02:16:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_unlock [2022-11-03 02:16:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:16:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:16:06,999 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:16:07,002 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:16:07,182 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:16:08,097 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:16:08,374 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:16:08,375 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:16:08,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:16:08 BoogieIcfgContainer [2022-11-03 02:16:08,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:16:08,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:16:08,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:16:08,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:16:08,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:16:04" (1/3) ... [2022-11-03 02:16:08,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307be8fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:16:08, skipping insertion in model container [2022-11-03 02:16:08,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:16:06" (2/3) ... [2022-11-03 02:16:08,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307be8fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:16:08, skipping insertion in model container [2022-11-03 02:16:08,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:16:08" (3/3) ... [2022-11-03 02:16:08,392 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point.cil.out.i [2022-11-03 02:16:08,418 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:16:08,419 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:16:08,523 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:16:08,531 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;@fa36c34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:16:08,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:16:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand has 264 states, 175 states have (on average 1.497142857142857) internal successors, (262), 191 states have internal predecessors, (262), 61 states have call successors, (61), 27 states have call predecessors, (61), 26 states have return successors, (56), 51 states have call predecessors, (56), 56 states have call successors, (56) [2022-11-03 02:16:08,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-03 02:16:08,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:08,570 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:08,570 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:08,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:08,577 INFO L85 PathProgramCache]: Analyzing trace with hash -25296481, now seen corresponding path program 1 times [2022-11-03 02:16:08,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:08,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461550071] [2022-11-03 02:16:08,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:08,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:09,324 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:16:09,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:09,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461550071] [2022-11-03 02:16:09,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461550071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:09,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:09,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:16:09,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543907485] [2022-11-03 02:16:09,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:09,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:16:09,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:09,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:16:09,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:09,396 INFO L87 Difference]: Start difference. First operand has 264 states, 175 states have (on average 1.497142857142857) internal successors, (262), 191 states have internal predecessors, (262), 61 states have call successors, (61), 27 states have call predecessors, (61), 26 states have return successors, (56), 51 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 02:16:09,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:09,831 INFO L93 Difference]: Finished difference Result 703 states and 1018 transitions. [2022-11-03 02:16:09,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:16:09,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2022-11-03 02:16:09,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:09,880 INFO L225 Difference]: With dead ends: 703 [2022-11-03 02:16:09,880 INFO L226 Difference]: Without dead ends: 409 [2022-11-03 02:16:09,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:09,897 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 345 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:09,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 626 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:16:09,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2022-11-03 02:16:09,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 406. [2022-11-03 02:16:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 279 states have (on average 1.4480286738351253) internal successors, (404), 290 states have internal predecessors, (404), 86 states have call successors, (86), 45 states have call predecessors, (86), 40 states have return successors, (81), 76 states have call predecessors, (81), 81 states have call successors, (81) [2022-11-03 02:16:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 571 transitions. [2022-11-03 02:16:10,006 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 571 transitions. Word has length 41 [2022-11-03 02:16:10,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:10,007 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 571 transitions. [2022-11-03 02:16:10,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 02:16:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 571 transitions. [2022-11-03 02:16:10,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-03 02:16:10,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:10,013 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:10,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:16:10,014 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:10,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:10,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1927845195, now seen corresponding path program 1 times [2022-11-03 02:16:10,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:10,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740137021] [2022-11-03 02:16:10,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:10,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:16:10,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:10,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740137021] [2022-11-03 02:16:10,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740137021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:10,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:10,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:16:10,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112043424] [2022-11-03 02:16:10,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:10,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:16:10,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:10,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:16:10,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:10,317 INFO L87 Difference]: Start difference. First operand 406 states and 571 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-03 02:16:10,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:10,582 INFO L93 Difference]: Finished difference Result 765 states and 1105 transitions. [2022-11-03 02:16:10,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:16:10,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-11-03 02:16:10,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:10,595 INFO L225 Difference]: With dead ends: 765 [2022-11-03 02:16:10,595 INFO L226 Difference]: Without dead ends: 741 [2022-11-03 02:16:10,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:10,598 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 333 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:10,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 664 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:16:10,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2022-11-03 02:16:10,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 707. [2022-11-03 02:16:10,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 504 states have (on average 1.4861111111111112) internal successors, (749), 524 states have internal predecessors, (749), 138 states have call successors, (138), 69 states have call predecessors, (138), 64 states have return successors, (134), 125 states have call predecessors, (134), 133 states have call successors, (134) [2022-11-03 02:16:10,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 1021 transitions. [2022-11-03 02:16:10,726 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 1021 transitions. Word has length 42 [2022-11-03 02:16:10,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:10,726 INFO L495 AbstractCegarLoop]: Abstraction has 707 states and 1021 transitions. [2022-11-03 02:16:10,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-03 02:16:10,727 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1021 transitions. [2022-11-03 02:16:10,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-03 02:16:10,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:10,738 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] [2022-11-03 02:16:10,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:16:10,739 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:10,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:10,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1850558137, now seen corresponding path program 1 times [2022-11-03 02:16:10,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:10,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924630763] [2022-11-03 02:16:10,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:10,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:10,917 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:16:10,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:10,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924630763] [2022-11-03 02:16:10,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924630763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:10,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:10,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:16:10,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150648553] [2022-11-03 02:16:10,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:10,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:16:10,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:10,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:16:10,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:10,923 INFO L87 Difference]: Start difference. First operand 707 states and 1021 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:16:11,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:11,275 INFO L93 Difference]: Finished difference Result 1787 states and 2560 transitions. [2022-11-03 02:16:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:16:11,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2022-11-03 02:16:11,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:11,283 INFO L225 Difference]: With dead ends: 1787 [2022-11-03 02:16:11,283 INFO L226 Difference]: Without dead ends: 1095 [2022-11-03 02:16:11,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:11,288 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 314 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:11,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 664 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:16:11,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2022-11-03 02:16:11,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1063. [2022-11-03 02:16:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 743 states have (on average 1.4804845222072678) internal successors, (1100), 785 states have internal predecessors, (1100), 211 states have call successors, (211), 113 states have call predecessors, (211), 108 states have return successors, (208), 184 states have call predecessors, (208), 206 states have call successors, (208) [2022-11-03 02:16:11,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1519 transitions. [2022-11-03 02:16:11,377 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1519 transitions. Word has length 55 [2022-11-03 02:16:11,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:11,378 INFO L495 AbstractCegarLoop]: Abstraction has 1063 states and 1519 transitions. [2022-11-03 02:16:11,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:16:11,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1519 transitions. [2022-11-03 02:16:11,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-03 02:16:11,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:11,383 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:11,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:16:11,384 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:11,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:11,385 INFO L85 PathProgramCache]: Analyzing trace with hash 619436933, now seen corresponding path program 1 times [2022-11-03 02:16:11,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:11,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158887311] [2022-11-03 02:16:11,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:11,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:16:11,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:11,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158887311] [2022-11-03 02:16:11,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158887311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:11,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:11,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:16:11,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277738210] [2022-11-03 02:16:11,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:11,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:16:11,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:11,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:16:11,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:11,522 INFO L87 Difference]: Start difference. First operand 1063 states and 1519 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:16:11,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:11,867 INFO L93 Difference]: Finished difference Result 2751 states and 3916 transitions. [2022-11-03 02:16:11,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:16:11,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2022-11-03 02:16:11,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:11,879 INFO L225 Difference]: With dead ends: 2751 [2022-11-03 02:16:11,879 INFO L226 Difference]: Without dead ends: 1703 [2022-11-03 02:16:11,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:11,888 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 311 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:11,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 701 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:16:11,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2022-11-03 02:16:12,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1239. [2022-11-03 02:16:12,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 879 states have (on average 1.4823663253697383) internal successors, (1303), 924 states have internal predecessors, (1303), 233 states have call successors, (233), 131 states have call predecessors, (233), 126 states have return successors, (230), 206 states have call predecessors, (230), 228 states have call successors, (230) [2022-11-03 02:16:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1766 transitions. [2022-11-03 02:16:12,048 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1766 transitions. Word has length 58 [2022-11-03 02:16:12,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:12,050 INFO L495 AbstractCegarLoop]: Abstraction has 1239 states and 1766 transitions. [2022-11-03 02:16:12,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:16:12,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1766 transitions. [2022-11-03 02:16:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-03 02:16:12,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:12,057 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:12,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:16:12,061 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:12,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:12,062 INFO L85 PathProgramCache]: Analyzing trace with hash -433763711, now seen corresponding path program 1 times [2022-11-03 02:16:12,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:12,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176864379] [2022-11-03 02:16:12,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:12,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 02:16:12,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:12,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176864379] [2022-11-03 02:16:12,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176864379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:12,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:12,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:16:12,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950312451] [2022-11-03 02:16:12,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:12,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:16:12,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:12,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:16:12,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:16:12,372 INFO L87 Difference]: Start difference. First operand 1239 states and 1766 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:16:12,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:12,664 INFO L93 Difference]: Finished difference Result 2413 states and 3442 transitions. [2022-11-03 02:16:12,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:16:12,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2022-11-03 02:16:12,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:12,673 INFO L225 Difference]: With dead ends: 2413 [2022-11-03 02:16:12,674 INFO L226 Difference]: Without dead ends: 1229 [2022-11-03 02:16:12,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:16:12,681 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 1 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:12,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 952 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:16:12,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2022-11-03 02:16:12,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1229. [2022-11-03 02:16:12,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 873 states have (on average 1.4719358533791524) internal successors, (1285), 916 states have internal predecessors, (1285), 229 states have call successors, (229), 131 states have call predecessors, (229), 126 states have return successors, (226), 204 states have call predecessors, (226), 224 states have call successors, (226) [2022-11-03 02:16:12,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1740 transitions. [2022-11-03 02:16:12,834 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1740 transitions. Word has length 64 [2022-11-03 02:16:12,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:12,835 INFO L495 AbstractCegarLoop]: Abstraction has 1229 states and 1740 transitions. [2022-11-03 02:16:12,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:16:12,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1740 transitions. [2022-11-03 02:16:12,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-03 02:16:12,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:12,842 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-11-03 02:16:12,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:16:12,843 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:12,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:12,843 INFO L85 PathProgramCache]: Analyzing trace with hash -861698566, now seen corresponding path program 1 times [2022-11-03 02:16:12,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:12,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133220470] [2022-11-03 02:16:12,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:12,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:16:13,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:13,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133220470] [2022-11-03 02:16:13,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133220470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:13,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:13,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:16:13,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986295910] [2022-11-03 02:16:13,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:13,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:16:13,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:13,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:16:13,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:16:13,197 INFO L87 Difference]: Start difference. First operand 1229 states and 1740 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:16:13,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:13,788 INFO L93 Difference]: Finished difference Result 3003 states and 4261 transitions. [2022-11-03 02:16:13,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:16:13,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2022-11-03 02:16:13,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:13,799 INFO L225 Difference]: With dead ends: 3003 [2022-11-03 02:16:13,800 INFO L226 Difference]: Without dead ends: 1843 [2022-11-03 02:16:13,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:16:13,804 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 531 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:13,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 810 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:16:13,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2022-11-03 02:16:13,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1597. [2022-11-03 02:16:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1159 states have (on average 1.4728213977566869) internal successors, (1707), 1210 states have internal predecessors, (1707), 280 states have call successors, (280), 162 states have call predecessors, (280), 157 states have return successors, (277), 255 states have call predecessors, (277), 275 states have call successors, (277) [2022-11-03 02:16:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2264 transitions. [2022-11-03 02:16:13,924 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2264 transitions. Word has length 98 [2022-11-03 02:16:13,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:13,925 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2264 transitions. [2022-11-03 02:16:13,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:16:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2264 transitions. [2022-11-03 02:16:13,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-03 02:16:13,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:13,931 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-11-03 02:16:13,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:16:13,932 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:13,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:13,933 INFO L85 PathProgramCache]: Analyzing trace with hash -819767300, now seen corresponding path program 1 times [2022-11-03 02:16:13,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:13,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166851959] [2022-11-03 02:16:13,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:13,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:16:14,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:14,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166851959] [2022-11-03 02:16:14,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166851959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:14,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:14,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:16:14,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828522032] [2022-11-03 02:16:14,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:14,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:16:14,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:14,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:16:14,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:16:14,186 INFO L87 Difference]: Start difference. First operand 1597 states and 2264 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:16:14,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:14,619 INFO L93 Difference]: Finished difference Result 3926 states and 5581 transitions. [2022-11-03 02:16:14,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:16:14,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 101 [2022-11-03 02:16:14,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:14,634 INFO L225 Difference]: With dead ends: 3926 [2022-11-03 02:16:14,634 INFO L226 Difference]: Without dead ends: 2398 [2022-11-03 02:16:14,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:16:14,640 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 314 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:14,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 1099 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:16:14,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2398 states. [2022-11-03 02:16:14,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2398 to 2151. [2022-11-03 02:16:14,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2151 states, 1594 states have (on average 1.4711417816813048) internal successors, (2345), 1657 states have internal predecessors, (2345), 353 states have call successors, (353), 208 states have call predecessors, (353), 203 states have return successors, (350), 328 states have call predecessors, (350), 348 states have call successors, (350) [2022-11-03 02:16:14,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 2151 states and 3048 transitions. [2022-11-03 02:16:14,778 INFO L78 Accepts]: Start accepts. Automaton has 2151 states and 3048 transitions. Word has length 101 [2022-11-03 02:16:14,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:14,778 INFO L495 AbstractCegarLoop]: Abstraction has 2151 states and 3048 transitions. [2022-11-03 02:16:14,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:16:14,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 3048 transitions. [2022-11-03 02:16:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-03 02:16:14,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:14,785 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:14,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:16:14,786 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:14,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:14,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1522842753, now seen corresponding path program 1 times [2022-11-03 02:16:14,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:14,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898780700] [2022-11-03 02:16:14,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:14,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 02:16:15,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:15,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898780700] [2022-11-03 02:16:15,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898780700] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:16:15,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806017261] [2022-11-03 02:16:15,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:15,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:16:15,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:16:15,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:16:15,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:16:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:15,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:16:15,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:16:15,830 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:16:15,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:16:15,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806017261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:15,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:16:15,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2022-11-03 02:16:15,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242617627] [2022-11-03 02:16:15,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:15,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:16:15,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:15,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:16:15,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:16:15,838 INFO L87 Difference]: Start difference. First operand 2151 states and 3048 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-03 02:16:16,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:16,266 INFO L93 Difference]: Finished difference Result 4247 states and 6024 transitions. [2022-11-03 02:16:16,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:16:16,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2022-11-03 02:16:16,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:16,280 INFO L225 Difference]: With dead ends: 4247 [2022-11-03 02:16:16,281 INFO L226 Difference]: Without dead ends: 2155 [2022-11-03 02:16:16,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:16:16,289 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 3 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1238 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:16,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1238 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:16:16,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2022-11-03 02:16:16,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2155. [2022-11-03 02:16:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1594 states have (on average 1.4686323713927227) internal successors, (2341), 1659 states have internal predecessors, (2341), 357 states have call successors, (357), 208 states have call predecessors, (357), 203 states have return successors, (352), 330 states have call predecessors, (352), 350 states have call successors, (352) [2022-11-03 02:16:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 3050 transitions. [2022-11-03 02:16:16,464 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 3050 transitions. Word has length 106 [2022-11-03 02:16:16,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:16,465 INFO L495 AbstractCegarLoop]: Abstraction has 2155 states and 3050 transitions. [2022-11-03 02:16:16,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-03 02:16:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 3050 transitions. [2022-11-03 02:16:16,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 02:16:16,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:16,472 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:16,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:16:16,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:16:16,687 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:16,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:16,688 INFO L85 PathProgramCache]: Analyzing trace with hash -2036956973, now seen corresponding path program 1 times [2022-11-03 02:16:16,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:16,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951116485] [2022-11-03 02:16:16,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:16,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:16,909 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:16:16,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:16,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951116485] [2022-11-03 02:16:16,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951116485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:16,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:16,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:16:16,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62758093] [2022-11-03 02:16:16,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:16,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:16:16,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:16,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:16:16,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:16,913 INFO L87 Difference]: Start difference. First operand 2155 states and 3050 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-03 02:16:17,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:17,164 INFO L93 Difference]: Finished difference Result 4237 states and 5998 transitions. [2022-11-03 02:16:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:16:17,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 109 [2022-11-03 02:16:17,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:17,176 INFO L225 Difference]: With dead ends: 4237 [2022-11-03 02:16:17,177 INFO L226 Difference]: Without dead ends: 2151 [2022-11-03 02:16:17,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:17,183 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 327 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:17,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 310 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:16:17,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2022-11-03 02:16:17,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 2151. [2022-11-03 02:16:17,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2151 states, 1590 states have (on average 1.4647798742138365) internal successors, (2329), 1655 states have internal predecessors, (2329), 357 states have call successors, (357), 208 states have call predecessors, (357), 203 states have return successors, (352), 330 states have call predecessors, (352), 350 states have call successors, (352) [2022-11-03 02:16:17,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 2151 states and 3038 transitions. [2022-11-03 02:16:17,332 INFO L78 Accepts]: Start accepts. Automaton has 2151 states and 3038 transitions. Word has length 109 [2022-11-03 02:16:17,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:17,333 INFO L495 AbstractCegarLoop]: Abstraction has 2151 states and 3038 transitions. [2022-11-03 02:16:17,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-03 02:16:17,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 3038 transitions. [2022-11-03 02:16:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-03 02:16:17,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:17,340 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:17,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:16:17,340 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:17,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:17,341 INFO L85 PathProgramCache]: Analyzing trace with hash 682360170, now seen corresponding path program 1 times [2022-11-03 02:16:17,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:17,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975182503] [2022-11-03 02:16:17,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:17,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:17,845 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 02:16:17,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:17,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975182503] [2022-11-03 02:16:17,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975182503] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:16:17,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033706842] [2022-11-03 02:16:17,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:17,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:16:17,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:16:17,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:16:17,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:16:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:18,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 02:16:18,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:16:18,524 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 02:16:18,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:16:18,930 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 02:16:18,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033706842] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 02:16:18,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:16:18,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 12 [2022-11-03 02:16:18,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260740878] [2022-11-03 02:16:18,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:18,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:16:18,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:18,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:16:18,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:16:18,933 INFO L87 Difference]: Start difference. First operand 2151 states and 3038 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2022-11-03 02:16:20,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:20,814 INFO L93 Difference]: Finished difference Result 7620 states and 10797 transitions. [2022-11-03 02:16:20,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:16:20,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 110 [2022-11-03 02:16:20,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:20,864 INFO L225 Difference]: With dead ends: 7620 [2022-11-03 02:16:20,864 INFO L226 Difference]: Without dead ends: 7596 [2022-11-03 02:16:20,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 213 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:16:20,870 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 972 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:20,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 1883 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 02:16:20,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7596 states. [2022-11-03 02:16:21,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7596 to 7125. [2022-11-03 02:16:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7125 states, 5360 states have (on average 1.4761194029850746) internal successors, (7912), 5557 states have internal predecessors, (7912), 1116 states have call successors, (1116), 653 states have call predecessors, (1116), 648 states have return successors, (1111), 1058 states have call predecessors, (1111), 1106 states have call successors, (1111) [2022-11-03 02:16:21,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7125 states to 7125 states and 10139 transitions. [2022-11-03 02:16:21,604 INFO L78 Accepts]: Start accepts. Automaton has 7125 states and 10139 transitions. Word has length 110 [2022-11-03 02:16:21,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:21,605 INFO L495 AbstractCegarLoop]: Abstraction has 7125 states and 10139 transitions. [2022-11-03 02:16:21,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2022-11-03 02:16:21,606 INFO L276 IsEmpty]: Start isEmpty. Operand 7125 states and 10139 transitions. [2022-11-03 02:16:21,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-03 02:16:21,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:21,621 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 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] [2022-11-03 02:16:21,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:16:21,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 02:16:21,836 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:21,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:21,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1904602400, now seen corresponding path program 1 times [2022-11-03 02:16:21,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:21,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536969459] [2022-11-03 02:16:21,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:21,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-03 02:16:22,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:22,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536969459] [2022-11-03 02:16:22,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536969459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:22,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:22,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:16:22,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754596046] [2022-11-03 02:16:22,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:22,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:16:22,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:22,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:16:22,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:16:22,113 INFO L87 Difference]: Start difference. First operand 7125 states and 10139 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-03 02:16:22,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:22,773 INFO L93 Difference]: Finished difference Result 13273 states and 18946 transitions. [2022-11-03 02:16:22,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:16:22,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 111 [2022-11-03 02:16:22,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:22,822 INFO L225 Difference]: With dead ends: 13273 [2022-11-03 02:16:22,824 INFO L226 Difference]: Without dead ends: 6103 [2022-11-03 02:16:22,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:16:22,843 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 349 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:22,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 611 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:16:22,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6103 states. [2022-11-03 02:16:23,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6103 to 5705. [2022-11-03 02:16:23,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5705 states, 4387 states have (on average 1.4568041942101664) internal successors, (6391), 4513 states have internal predecessors, (6391), 832 states have call successors, (832), 490 states have call predecessors, (832), 485 states have return successors, (827), 817 states have call predecessors, (827), 827 states have call successors, (827) [2022-11-03 02:16:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5705 states to 5705 states and 8050 transitions. [2022-11-03 02:16:23,301 INFO L78 Accepts]: Start accepts. Automaton has 5705 states and 8050 transitions. Word has length 111 [2022-11-03 02:16:23,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:23,302 INFO L495 AbstractCegarLoop]: Abstraction has 5705 states and 8050 transitions. [2022-11-03 02:16:23,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-03 02:16:23,304 INFO L276 IsEmpty]: Start isEmpty. Operand 5705 states and 8050 transitions. [2022-11-03 02:16:23,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-03 02:16:23,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:23,319 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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] [2022-11-03 02:16:23,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:16:23,320 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:23,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:23,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1881633993, now seen corresponding path program 1 times [2022-11-03 02:16:23,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:23,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267184592] [2022-11-03 02:16:23,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:23,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:23,742 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 02:16:23,742 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:23,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267184592] [2022-11-03 02:16:23,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267184592] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:16:23,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129425105] [2022-11-03 02:16:23,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:23,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:16:23,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:16:23,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:16:23,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:16:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:24,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 02:16:24,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:16:24,407 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 02:16:24,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:16:24,740 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-03 02:16:24,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129425105] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 02:16:24,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:16:24,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 12 [2022-11-03 02:16:24,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031686823] [2022-11-03 02:16:24,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:24,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:16:24,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:24,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:16:24,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:16:24,743 INFO L87 Difference]: Start difference. First operand 5705 states and 8050 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2022-11-03 02:16:26,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:26,710 INFO L93 Difference]: Finished difference Result 19667 states and 27885 transitions. [2022-11-03 02:16:26,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:16:26,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 116 [2022-11-03 02:16:26,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:26,818 INFO L225 Difference]: With dead ends: 19667 [2022-11-03 02:16:26,818 INFO L226 Difference]: Without dead ends: 19643 [2022-11-03 02:16:26,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:16:26,830 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 685 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 1592 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:26,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 1592 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 02:16:26,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19643 states. [2022-11-03 02:16:28,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19643 to 17085. [2022-11-03 02:16:28,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17085 states, 13295 states have (on average 1.467318540804814) internal successors, (19508), 13649 states have internal predecessors, (19508), 2388 states have call successors, (2388), 1406 states have call predecessors, (2388), 1401 states have return successors, (2383), 2373 states have call predecessors, (2383), 2383 states have call successors, (2383) [2022-11-03 02:16:28,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17085 states to 17085 states and 24279 transitions. [2022-11-03 02:16:28,255 INFO L78 Accepts]: Start accepts. Automaton has 17085 states and 24279 transitions. Word has length 116 [2022-11-03 02:16:28,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:28,256 INFO L495 AbstractCegarLoop]: Abstraction has 17085 states and 24279 transitions. [2022-11-03 02:16:28,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2022-11-03 02:16:28,257 INFO L276 IsEmpty]: Start isEmpty. Operand 17085 states and 24279 transitions. [2022-11-03 02:16:28,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-03 02:16:28,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:28,290 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 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] [2022-11-03 02:16:28,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:16:28,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-03 02:16:28,504 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:28,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:28,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1714540969, now seen corresponding path program 1 times [2022-11-03 02:16:28,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:28,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912315785] [2022-11-03 02:16:28,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:28,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:28,793 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 02:16:28,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:28,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912315785] [2022-11-03 02:16:28,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912315785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:28,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:28,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:16:28,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394748738] [2022-11-03 02:16:28,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:28,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:16:28,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:28,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:16:28,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:28,800 INFO L87 Difference]: Start difference. First operand 17085 states and 24279 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:16:30,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:30,874 INFO L93 Difference]: Finished difference Result 45246 states and 66377 transitions. [2022-11-03 02:16:30,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:16:30,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2022-11-03 02:16:30,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:31,017 INFO L225 Difference]: With dead ends: 45246 [2022-11-03 02:16:31,017 INFO L226 Difference]: Without dead ends: 28290 [2022-11-03 02:16:31,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:16:31,061 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 146 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:31,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 693 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:16:31,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28290 states. [2022-11-03 02:16:32,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28290 to 17087. [2022-11-03 02:16:32,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17087 states, 13297 states have (on average 1.4672482514852974) internal successors, (19510), 13651 states have internal predecessors, (19510), 2388 states have call successors, (2388), 1406 states have call predecessors, (2388), 1401 states have return successors, (2383), 2373 states have call predecessors, (2383), 2383 states have call successors, (2383) [2022-11-03 02:16:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17087 states to 17087 states and 24281 transitions. [2022-11-03 02:16:32,471 INFO L78 Accepts]: Start accepts. Automaton has 17087 states and 24281 transitions. Word has length 117 [2022-11-03 02:16:32,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:32,472 INFO L495 AbstractCegarLoop]: Abstraction has 17087 states and 24281 transitions. [2022-11-03 02:16:32,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:16:32,473 INFO L276 IsEmpty]: Start isEmpty. Operand 17087 states and 24281 transitions. [2022-11-03 02:16:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-03 02:16:32,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:16:32,507 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 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] [2022-11-03 02:16:32,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:16:32,507 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:16:32,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:16:32,508 INFO L85 PathProgramCache]: Analyzing trace with hash -374494478, now seen corresponding path program 1 times [2022-11-03 02:16:32,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:16:32,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026609461] [2022-11-03 02:16:32,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:16:32,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:16:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:16:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-03 02:16:33,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:16:33,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026609461] [2022-11-03 02:16:33,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026609461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:16:33,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:16:33,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:16:33,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403571539] [2022-11-03 02:16:33,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:16:33,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:16:33,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:16:33,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:16:33,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:16:33,239 INFO L87 Difference]: Start difference. First operand 17087 states and 24281 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:16:33,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:16:33,557 INFO L93 Difference]: Finished difference Result 17187 states and 24403 transitions. [2022-11-03 02:16:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:16:33,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 118 [2022-11-03 02:16:33,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:16:33,558 INFO L225 Difference]: With dead ends: 17187 [2022-11-03 02:16:33,558 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:16:33,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:16:33,597 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 193 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:16:33,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 510 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:16:33,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:16:33,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:16:33,599 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) [2022-11-03 02:16:33,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:16:33,602 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 118 [2022-11-03 02:16:33,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:16:33,603 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:16:33,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 02:16:33,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:16:33,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:16:33,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:16:33,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:16:33,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:16:40,148 INFO L899 garLoopResultBuilder]: For program point _torture_stop_kthreadEXIT(lines 2972 2974) no Hoare annotation was computed. [2022-11-03 02:16:40,149 INFO L902 garLoopResultBuilder]: At program point _torture_stop_kthreadENTRY(lines 2972 2974) the Hoare annotation is: true [2022-11-03 02:16:40,149 INFO L899 garLoopResultBuilder]: For program point kfreeEXIT(lines 3078 3080) no Hoare annotation was computed. [2022-11-03 02:16:40,151 INFO L902 garLoopResultBuilder]: At program point kfreeENTRY(lines 3078 3080) the Hoare annotation is: true [2022-11-03 02:16:40,151 INFO L899 garLoopResultBuilder]: For program point torture_lock_busted_write_delayEXIT(lines 2087 2112) no Hoare annotation was computed. [2022-11-03 02:16:40,151 INFO L902 garLoopResultBuilder]: At program point torture_lock_busted_write_delayENTRY(lines 2087 2112) the Hoare annotation is: true [2022-11-03 02:16:40,152 INFO L899 garLoopResultBuilder]: For program point L2104(lines 2104 2107) no Hoare annotation was computed. [2022-11-03 02:16:40,152 INFO L902 garLoopResultBuilder]: At program point L2105(lines 2096 2108) the Hoare annotation is: true [2022-11-03 02:16:40,153 INFO L902 garLoopResultBuilder]: At program point L2100(lines 2096 2108) the Hoare annotation is: true [2022-11-03 02:16:40,153 INFO L899 garLoopResultBuilder]: For program point L2096(lines 2096 2109) no Hoare annotation was computed. [2022-11-03 02:16:40,153 INFO L899 garLoopResultBuilder]: For program point L2095-1(line 2095) no Hoare annotation was computed. [2022-11-03 02:16:40,153 INFO L899 garLoopResultBuilder]: For program point L2096-2(lines 2087 2112) no Hoare annotation was computed. [2022-11-03 02:16:40,154 INFO L902 garLoopResultBuilder]: At program point L2095(line 2095) the Hoare annotation is: true [2022-11-03 02:16:40,154 INFO L895 garLoopResultBuilder]: At program point L2865-1(line 2865) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~onoff_interval~0 0)) (not (= 0 ~lwsa~0.base)) (= ~ldv_spin~0 0) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_state_variable_2~0 0)) (not (= ~lwsa~0.offset 0))) [2022-11-03 02:16:40,154 INFO L899 garLoopResultBuilder]: For program point torture_lock_spin_write_unlock_irqEXIT(lines 2182 2188) no Hoare annotation was computed. [2022-11-03 02:16:40,155 INFO L902 garLoopResultBuilder]: At program point L2865(line 2865) the Hoare annotation is: true [2022-11-03 02:16:40,155 INFO L902 garLoopResultBuilder]: At program point torture_lock_spin_write_unlock_irqENTRY(lines 2182 2188) the Hoare annotation is: true [2022-11-03 02:16:40,155 INFO L899 garLoopResultBuilder]: For program point __const_udelayEXIT(lines 2953 2955) no Hoare annotation was computed. [2022-11-03 02:16:40,155 INFO L902 garLoopResultBuilder]: At program point __const_udelayENTRY(lines 2953 2955) the Hoare annotation is: true [2022-11-03 02:16:40,156 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 2009 2015) the Hoare annotation is: true [2022-11-03 02:16:40,156 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2013) no Hoare annotation was computed. [2022-11-03 02:16:40,156 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 2009 2015) no Hoare annotation was computed. [2022-11-03 02:16:40,156 INFO L902 garLoopResultBuilder]: At program point torture_lock_busted_write_lockENTRY(lines 2081 2086) the Hoare annotation is: true [2022-11-03 02:16:40,157 INFO L899 garLoopResultBuilder]: For program point torture_lock_busted_write_lockEXIT(lines 2081 2086) no Hoare annotation was computed. [2022-11-03 02:16:40,157 INFO L902 garLoopResultBuilder]: At program point kmallocENTRY(lines 2871 2878) the Hoare annotation is: true [2022-11-03 02:16:40,157 INFO L902 garLoopResultBuilder]: At program point L1937(line 1937) the Hoare annotation is: true [2022-11-03 02:16:40,157 INFO L902 garLoopResultBuilder]: At program point L1937-1(line 1937) the Hoare annotation is: true [2022-11-03 02:16:40,158 INFO L902 garLoopResultBuilder]: At program point L2874(line 2874) the Hoare annotation is: true [2022-11-03 02:16:40,158 INFO L899 garLoopResultBuilder]: For program point L2874-1(line 2874) no Hoare annotation was computed. [2022-11-03 02:16:40,158 INFO L899 garLoopResultBuilder]: For program point kmallocEXIT(lines 2871 2878) no Hoare annotation was computed. [2022-11-03 02:16:40,158 INFO L899 garLoopResultBuilder]: For program point torture_randomEXIT(lines 3056 3058) no Hoare annotation was computed. [2022-11-03 02:16:40,159 INFO L902 garLoopResultBuilder]: At program point torture_randomENTRY(lines 3056 3058) the Hoare annotation is: true [2022-11-03 02:16:40,159 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 2016 2022) no Hoare annotation was computed. [2022-11-03 02:16:40,159 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 2016 2022) the Hoare annotation is: true [2022-11-03 02:16:40,159 INFO L899 garLoopResultBuilder]: For program point L2323(lines 2323 2327) no Hoare annotation was computed. [2022-11-03 02:16:40,159 INFO L902 garLoopResultBuilder]: At program point lock_torture_stats_printENTRY(lines 2314 2333) the Hoare annotation is: true [2022-11-03 02:16:40,160 INFO L899 garLoopResultBuilder]: For program point lock_torture_stats_printFINAL(lines 2314 2333) no Hoare annotation was computed. [2022-11-03 02:16:40,160 INFO L902 garLoopResultBuilder]: At program point L2296(lines 2274 2312) the Hoare annotation is: true [2022-11-03 02:16:40,160 INFO L899 garLoopResultBuilder]: For program point L2321-1(line 2321) no Hoare annotation was computed. [2022-11-03 02:16:40,160 INFO L902 garLoopResultBuilder]: At program point L2321(line 2321) the Hoare annotation is: true [2022-11-03 02:16:40,161 INFO L899 garLoopResultBuilder]: For program point lock_torture_stats_printEXIT(lines 2314 2333) no Hoare annotation was computed. [2022-11-03 02:16:40,161 INFO L902 garLoopResultBuilder]: At program point L2330(line 2330) the Hoare annotation is: true [2022-11-03 02:16:40,162 INFO L902 garLoopResultBuilder]: At program point torture_lock_busted_write_unlockFINAL(lines 2113 2118) the Hoare annotation is: true [2022-11-03 02:16:40,162 INFO L899 garLoopResultBuilder]: For program point torture_lock_busted_write_unlockEXIT(lines 2113 2118) no Hoare annotation was computed. [2022-11-03 02:16:40,162 INFO L899 garLoopResultBuilder]: For program point lock_torture_print_module_parmsEXIT(lines 2361 2370) no Hoare annotation was computed. [2022-11-03 02:16:40,162 INFO L902 garLoopResultBuilder]: At program point lock_torture_print_module_parmsENTRY(lines 2361 2370) the Hoare annotation is: true [2022-11-03 02:16:40,163 INFO L899 garLoopResultBuilder]: For program point L2141-1(line 2141) no Hoare annotation was computed. [2022-11-03 02:16:40,163 INFO L902 garLoopResultBuilder]: At program point L2141(line 2141) the Hoare annotation is: true [2022-11-03 02:16:40,163 INFO L899 garLoopResultBuilder]: For program point torture_spin_lock_write_delayEXIT(lines 2130 2163) no Hoare annotation was computed. [2022-11-03 02:16:40,163 INFO L902 garLoopResultBuilder]: At program point L2156(line 2156) the Hoare annotation is: true [2022-11-03 02:16:40,163 INFO L899 garLoopResultBuilder]: For program point L2150(lines 2150 2153) no Hoare annotation was computed. [2022-11-03 02:16:40,164 INFO L902 garLoopResultBuilder]: At program point torture_spin_lock_write_delayENTRY(lines 2130 2163) the Hoare annotation is: true [2022-11-03 02:16:40,164 INFO L902 garLoopResultBuilder]: At program point L2146(lines 2142 2154) the Hoare annotation is: true [2022-11-03 02:16:40,164 INFO L899 garLoopResultBuilder]: For program point L2142(lines 2142 2155) no Hoare annotation was computed. [2022-11-03 02:16:40,164 INFO L902 garLoopResultBuilder]: At program point L2142-2(lines 2142 2155) the Hoare annotation is: true [2022-11-03 02:16:40,165 INFO L902 garLoopResultBuilder]: At program point L2151(lines 2142 2154) the Hoare annotation is: true [2022-11-03 02:16:40,165 INFO L902 garLoopResultBuilder]: At program point L2401(lines 2401 2410) the Hoare annotation is: true [2022-11-03 02:16:40,165 INFO L902 garLoopResultBuilder]: At program point L2399(line 2399) the Hoare annotation is: true [2022-11-03 02:16:40,165 INFO L902 garLoopResultBuilder]: At program point L2391(lines 2383 2396) the Hoare annotation is: true [2022-11-03 02:16:40,166 INFO L902 garLoopResultBuilder]: At program point L2389(lines 2383 2396) the Hoare annotation is: true [2022-11-03 02:16:40,168 INFO L899 garLoopResultBuilder]: For program point L2387(line 2387) no Hoare annotation was computed. [2022-11-03 02:16:40,168 INFO L899 garLoopResultBuilder]: For program point L2383(lines 2383 2397) no Hoare annotation was computed. [2022-11-03 02:16:40,169 INFO L902 garLoopResultBuilder]: At program point L2383-2(lines 2383 2397) the Hoare annotation is: true [2022-11-03 02:16:40,169 INFO L899 garLoopResultBuilder]: For program point L2379(lines 2379 2382) no Hoare annotation was computed. [2022-11-03 02:16:40,169 INFO L902 garLoopResultBuilder]: At program point L2408(line 2408) the Hoare annotation is: true [2022-11-03 02:16:40,169 INFO L902 garLoopResultBuilder]: At program point L2406(line 2406) the Hoare annotation is: true [2022-11-03 02:16:40,170 INFO L899 garLoopResultBuilder]: For program point lock_torture_cleanupEXIT(lines 2371 2413) no Hoare annotation was computed. [2022-11-03 02:16:40,170 INFO L899 garLoopResultBuilder]: For program point L2408-1(lines 2371 2413) no Hoare annotation was computed. [2022-11-03 02:16:40,170 INFO L902 garLoopResultBuilder]: At program point lock_torture_cleanupENTRY(lines 2371 2413) the Hoare annotation is: true [2022-11-03 02:16:40,170 INFO L902 garLoopResultBuilder]: At program point L2402(line 2402) the Hoare annotation is: true [2022-11-03 02:16:40,171 INFO L902 garLoopResultBuilder]: At program point L2398(line 2398) the Hoare annotation is: true [2022-11-03 02:16:40,171 INFO L902 garLoopResultBuilder]: At program point L2394(line 2394) the Hoare annotation is: true [2022-11-03 02:16:40,171 INFO L899 garLoopResultBuilder]: For program point L2394-1(line 2394) no Hoare annotation was computed. [2022-11-03 02:16:40,171 INFO L899 garLoopResultBuilder]: For program point L2405(lines 2405 2409) no Hoare annotation was computed. [2022-11-03 02:16:40,172 INFO L902 garLoopResultBuilder]: At program point torture_init_endFINAL(lines 3037 3039) the Hoare annotation is: true [2022-11-03 02:16:40,172 INFO L899 garLoopResultBuilder]: For program point torture_init_endEXIT(lines 3037 3039) no Hoare annotation was computed. [2022-11-03 02:16:40,172 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 1956 1958) the Hoare annotation is: true [2022-11-03 02:16:40,173 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 1956 1958) no Hoare annotation was computed. [2022-11-03 02:16:40,173 INFO L902 garLoopResultBuilder]: At program point ldv_spin_unlockENTRY(lines 2929 2935) the Hoare annotation is: true [2022-11-03 02:16:40,173 INFO L899 garLoopResultBuilder]: For program point ldv_spin_unlockEXIT(lines 2929 2935) no Hoare annotation was computed. [2022-11-03 02:16:40,173 INFO L899 garLoopResultBuilder]: For program point ldv_spin_lockEXIT(lines 2922 2928) no Hoare annotation was computed. [2022-11-03 02:16:40,173 INFO L902 garLoopResultBuilder]: At program point ldv_spin_lockENTRY(lines 2922 2928) the Hoare annotation is: true [2022-11-03 02:16:40,174 INFO L899 garLoopResultBuilder]: For program point L2177-1(line 2177) no Hoare annotation was computed. [2022-11-03 02:16:40,174 INFO L902 garLoopResultBuilder]: At program point L2177(line 2177) the Hoare annotation is: true [2022-11-03 02:16:40,174 INFO L899 garLoopResultBuilder]: For program point torture_spin_lock_write_lock_irqEXIT(lines 2173 2181) no Hoare annotation was computed. [2022-11-03 02:16:40,174 INFO L902 garLoopResultBuilder]: At program point torture_spin_lock_write_lock_irqENTRY(lines 2173 2181) the Hoare annotation is: true [2022-11-03 02:16:40,175 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 1959 1975) the Hoare annotation is: true [2022-11-03 02:16:40,175 INFO L899 garLoopResultBuilder]: For program point L1966(lines 1966 1973) no Hoare annotation was computed. [2022-11-03 02:16:40,175 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 1959 1975) no Hoare annotation was computed. [2022-11-03 02:16:40,175 INFO L902 garLoopResultBuilder]: At program point L1971(line 1971) the Hoare annotation is: true [2022-11-03 02:16:40,176 INFO L899 garLoopResultBuilder]: For program point L1971-1(line 1971) no Hoare annotation was computed. [2022-11-03 02:16:40,176 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 1959 1975) no Hoare annotation was computed. [2022-11-03 02:16:40,176 INFO L902 garLoopResultBuilder]: At program point _torture_create_kthreadENTRY(lines 2969 2971) the Hoare annotation is: true [2022-11-03 02:16:40,176 INFO L899 garLoopResultBuilder]: For program point _torture_create_kthreadEXIT(lines 2969 2971) no Hoare annotation was computed. [2022-11-03 02:16:40,177 INFO L902 garLoopResultBuilder]: At program point L2849-1(line 2849) the Hoare annotation is: true [2022-11-03 02:16:40,177 INFO L902 garLoopResultBuilder]: At program point L2849(line 2849) the Hoare annotation is: true [2022-11-03 02:16:40,177 INFO L902 garLoopResultBuilder]: At program point torture_spin_lock_write_lockENTRY(lines 2123 2129) the Hoare annotation is: true [2022-11-03 02:16:40,177 INFO L899 garLoopResultBuilder]: For program point torture_spin_lock_write_lockEXIT(lines 2123 2129) no Hoare annotation was computed. [2022-11-03 02:16:40,184 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= |old(~ldv_spin~0)| 0)) (not (= ~onoff_interval~0 0)) (not (= 0 ~lwsa~0.base)) (= ~ldv_spin~0 0) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_state_variable_2~0 0)) (not (= ~lwsa~0.offset 0))) [2022-11-03 02:16:40,185 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-03 02:16:40,185 INFO L899 garLoopResultBuilder]: For program point ##fun~~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:16:40,185 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-03 02:16:40,185 INFO L899 garLoopResultBuilder]: For program point L-1-5(line -1) no Hoare annotation was computed. [2022-11-03 02:16:40,186 INFO L895 garLoopResultBuilder]: At program point ##fun~~TO~VOIDENTRY(line -1) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= |old(~ldv_spin~0)| 0)) (not (= ~onoff_interval~0 0)) (not (= 0 ~lwsa~0.base)) (= ~ldv_spin~0 0) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_state_variable_2~0 0)) (not (= ~lwsa~0.offset 0))) [2022-11-03 02:16:40,186 INFO L902 garLoopResultBuilder]: At program point L-1-6(line -1) the Hoare annotation is: true [2022-11-03 02:16:40,186 INFO L895 garLoopResultBuilder]: At program point L-1-8(line -1) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= |old(~ldv_spin~0)| 0)) (not (= ~onoff_interval~0 0)) (not (= 0 ~lwsa~0.base)) (= ~ldv_spin~0 0) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_state_variable_2~0 0)) (not (= ~lwsa~0.offset 0))) [2022-11-03 02:16:40,189 INFO L899 garLoopResultBuilder]: For program point L-1-9(line -1) no Hoare annotation was computed. [2022-11-03 02:16:40,190 INFO L899 garLoopResultBuilder]: For program point L1983(lines 1983 1990) no Hoare annotation was computed. [2022-11-03 02:16:40,193 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 1976 1992) no Hoare annotation was computed. [2022-11-03 02:16:40,193 INFO L902 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 1976 1992) the Hoare annotation is: true [2022-11-03 02:16:40,193 INFO L902 garLoopResultBuilder]: At program point L1988(line 1988) the Hoare annotation is: true [2022-11-03 02:16:40,194 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 1976 1992) no Hoare annotation was computed. [2022-11-03 02:16:40,194 INFO L899 garLoopResultBuilder]: For program point L1988-1(line 1988) no Hoare annotation was computed. [2022-11-03 02:16:40,194 INFO L899 garLoopResultBuilder]: For program point torture_spin_lock_write_unlockEXIT(lines 2164 2170) no Hoare annotation was computed. [2022-11-03 02:16:40,194 INFO L902 garLoopResultBuilder]: At program point torture_spin_lock_write_unlockENTRY(lines 2164 2170) the Hoare annotation is: true [2022-11-03 02:16:40,195 INFO L895 garLoopResultBuilder]: At program point L2857-1(line 2857) the Hoare annotation is: (or (not (= ~ldv_state_variable_1~0 0)) (not (= ~onoff_interval~0 0)) (not (= 0 ~lwsa~0.base)) (= ~ldv_spin~0 0) (not (= ~ldv_state_variable_0~0 1)) (not (= ~ldv_state_variable_2~0 0)) (not (= ~lwsa~0.offset 0))) [2022-11-03 02:16:40,195 INFO L902 garLoopResultBuilder]: At program point L2857(line 2857) the Hoare annotation is: true [2022-11-03 02:16:40,195 INFO L899 garLoopResultBuilder]: For program point L2744(lines 2744 2748) no Hoare annotation was computed. [2022-11-03 02:16:40,196 INFO L899 garLoopResultBuilder]: For program point L2744-2(lines 2723 2773) no Hoare annotation was computed. [2022-11-03 02:16:40,196 INFO L895 garLoopResultBuilder]: At program point L2612(line 2612) the Hoare annotation is: (and (= ~onoff_interval~0 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 0) (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) [2022-11-03 02:16:40,197 INFO L899 garLoopResultBuilder]: For program point L2612-1(line 2612) no Hoare annotation was computed. [2022-11-03 02:16:40,197 INFO L899 garLoopResultBuilder]: For program point L2579(line 2579) no Hoare annotation was computed. [2022-11-03 02:16:40,197 INFO L899 garLoopResultBuilder]: For program point L2778(line 2778) no Hoare annotation was computed. [2022-11-03 02:16:40,197 INFO L899 garLoopResultBuilder]: For program point L2745-1(line 2745) no Hoare annotation was computed. [2022-11-03 02:16:40,198 INFO L895 garLoopResultBuilder]: At program point L2745(line 2745) the Hoare annotation is: (let ((.cse0 (= ~onoff_interval~0 0)) (.cse1 (= ~ldv_state_variable_2~0 0)) (.cse2 (= ~ldv_spin~0 0)) (.cse3 (= ~ldv_state_variable_1~0 0))) (or (and (= ~ldv_state_variable_0~0 1) .cse0 .cse1 .cse2 .cse3 (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) (and .cse0 .cse1 .cse2 .cse3 (= ~ldv_state_variable_0~0 3)))) [2022-11-03 02:16:40,198 INFO L899 garLoopResultBuilder]: For program point L2779(lines 2779 2834) no Hoare annotation was computed. [2022-11-03 02:16:40,198 INFO L899 garLoopResultBuilder]: For program point L2713(line 2713) no Hoare annotation was computed. [2022-11-03 02:16:40,198 INFO L895 garLoopResultBuilder]: At program point L2614(line 2614) the Hoare annotation is: (and (= ~onoff_interval~0 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 0) (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) [2022-11-03 02:16:40,199 INFO L895 garLoopResultBuilder]: At program point L2614-1(line 2614) the Hoare annotation is: (and (= ~onoff_interval~0 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 0) (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) [2022-11-03 02:16:40,200 INFO L895 garLoopResultBuilder]: At program point L2813(line 2813) the Hoare annotation is: false [2022-11-03 02:16:40,201 INFO L902 garLoopResultBuilder]: At program point L2714(line 2714) the Hoare annotation is: true [2022-11-03 02:16:40,201 INFO L899 garLoopResultBuilder]: For program point L2648(line 2648) no Hoare annotation was computed. [2022-11-03 02:16:40,201 INFO L895 garLoopResultBuilder]: At program point L2582(line 2582) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_spin~0 0) (<= (+ |ULTIMATE.start_lock_torture_init_~firsterr~0#1| 12) 0)) [2022-11-03 02:16:40,202 INFO L895 garLoopResultBuilder]: At program point L2450(lines 2425 2585) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~onoff_interval~0 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) [2022-11-03 02:16:40,204 INFO L895 garLoopResultBuilder]: At program point L2516-1(lines 2425 2585) the Hoare annotation is: false [2022-11-03 02:16:40,204 INFO L899 garLoopResultBuilder]: For program point L2781(lines 2781 2831) no Hoare annotation was computed. [2022-11-03 02:16:40,204 INFO L899 garLoopResultBuilder]: For program point L2649(lines 2649 2653) no Hoare annotation was computed. [2022-11-03 02:16:40,205 INFO L899 garLoopResultBuilder]: For program point L2649-2(lines 2628 2678) no Hoare annotation was computed. [2022-11-03 02:16:40,205 INFO L899 garLoopResultBuilder]: For program point L2583(line 2583) no Hoare annotation was computed. [2022-11-03 02:16:40,205 INFO L899 garLoopResultBuilder]: For program point L2484(line 2484) no Hoare annotation was computed. [2022-11-03 02:16:40,205 INFO L899 garLoopResultBuilder]: For program point L2782(line 2782) no Hoare annotation was computed. [2022-11-03 02:16:40,205 INFO L895 garLoopResultBuilder]: At program point L2650(line 2650) the Hoare annotation is: false [2022-11-03 02:16:40,206 INFO L899 garLoopResultBuilder]: For program point L2683(line 2683) no Hoare annotation was computed. [2022-11-03 02:16:40,206 INFO L895 garLoopResultBuilder]: At program point L2584(lines 2414 2586) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 1))) (or (and .cse0 (<= (+ |ULTIMATE.start_lock_torture_init_~firsterr~0#1| 12) 0) (<= (+ |ULTIMATE.start_lock_torture_init_#res#1| 12) 0)) (and .cse0 (<= (+ |ULTIMATE.start_lock_torture_init_#res#1| 16) 0)))) [2022-11-03 02:16:40,206 INFO L899 garLoopResultBuilder]: For program point L2650-1(line 2650) no Hoare annotation was computed. [2022-11-03 02:16:40,206 INFO L899 garLoopResultBuilder]: For program point L2518(lines 2518 2521) no Hoare annotation was computed. [2022-11-03 02:16:40,207 INFO L895 garLoopResultBuilder]: At program point L2750(line 2750) the Hoare annotation is: (let ((.cse0 (= ~onoff_interval~0 0)) (.cse1 (= ~ldv_state_variable_2~0 0)) (.cse2 (= ~ldv_spin~0 0)) (.cse3 (= ~ldv_state_variable_1~0 0))) (or (and (= ~ldv_state_variable_0~0 1) .cse0 .cse1 .cse2 .cse3 (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) (and .cse0 .cse1 .cse2 .cse3 (= ~ldv_state_variable_0~0 3)))) [2022-11-03 02:16:40,207 INFO L899 garLoopResultBuilder]: For program point L2783(lines 2783 2787) no Hoare annotation was computed. [2022-11-03 02:16:40,207 INFO L899 garLoopResultBuilder]: For program point L2684(lines 2684 2718) no Hoare annotation was computed. [2022-11-03 02:16:40,207 INFO L899 garLoopResultBuilder]: For program point L2750-1(line 2750) no Hoare annotation was computed. [2022-11-03 02:16:40,208 INFO L895 garLoopResultBuilder]: At program point L2486(line 2486) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~onoff_interval~0 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) [2022-11-03 02:16:40,208 INFO L899 garLoopResultBuilder]: For program point L2486-1(line 2486) no Hoare annotation was computed. [2022-11-03 02:16:40,208 INFO L895 garLoopResultBuilder]: At program point L2883-1(line 2883) the Hoare annotation is: false [2022-11-03 02:16:40,208 INFO L895 garLoopResultBuilder]: At program point L2883(line 2883) the Hoare annotation is: false [2022-11-03 02:16:40,209 INFO L895 garLoopResultBuilder]: At program point L2784(line 2784) the Hoare annotation is: false [2022-11-03 02:16:40,209 INFO L899 garLoopResultBuilder]: For program point L2784-1(line 2784) no Hoare annotation was computed. [2022-11-03 02:16:40,209 INFO L899 garLoopResultBuilder]: For program point L2686(lines 2686 2715) no Hoare annotation was computed. [2022-11-03 02:16:40,209 INFO L899 garLoopResultBuilder]: For program point L2554(lines 2554 2557) no Hoare annotation was computed. [2022-11-03 02:16:40,210 INFO L899 garLoopResultBuilder]: For program point L2488(lines 2488 2496) no Hoare annotation was computed. [2022-11-03 02:16:40,210 INFO L895 garLoopResultBuilder]: At program point L2455(lines 2425 2585) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~onoff_interval~0 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) [2022-11-03 02:16:40,210 INFO L899 garLoopResultBuilder]: For program point L2720(line 2720) no Hoare annotation was computed. [2022-11-03 02:16:40,210 INFO L899 garLoopResultBuilder]: For program point L2687(line 2687) no Hoare annotation was computed. [2022-11-03 02:16:40,211 INFO L899 garLoopResultBuilder]: For program point L2688(lines 2688 2693) no Hoare annotation was computed. [2022-11-03 02:16:40,211 INFO L899 garLoopResultBuilder]: For program point L2721(lines 2721 2776) no Hoare annotation was computed. [2022-11-03 02:16:40,211 INFO L899 garLoopResultBuilder]: For program point L2655-1(line 2655) no Hoare annotation was computed. [2022-11-03 02:16:40,211 INFO L895 garLoopResultBuilder]: At program point L2655(line 2655) the Hoare annotation is: false [2022-11-03 02:16:40,212 INFO L895 garLoopResultBuilder]: At program point L2821(line 2821) the Hoare annotation is: false [2022-11-03 02:16:40,212 INFO L895 garLoopResultBuilder]: At program point L2755(line 2755) the Hoare annotation is: (let ((.cse0 (= ~onoff_interval~0 0)) (.cse1 (= ~ldv_state_variable_2~0 0)) (.cse2 (= ~ldv_spin~0 0)) (.cse3 (= ~ldv_state_variable_1~0 0))) (or (and (= ~ldv_state_variable_0~0 1) .cse0 .cse1 .cse2 .cse3 (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) (and .cse0 .cse1 .cse2 .cse3 (= ~ldv_state_variable_0~0 3)))) [2022-11-03 02:16:40,212 INFO L899 garLoopResultBuilder]: For program point L2689-1(line 2689) no Hoare annotation was computed. [2022-11-03 02:16:40,212 INFO L895 garLoopResultBuilder]: At program point L2689(line 2689) the Hoare annotation is: (= ~ldv_spin~0 0) [2022-11-03 02:16:40,213 INFO L895 garLoopResultBuilder]: At program point L2524-1(lines 2425 2585) the Hoare annotation is: false [2022-11-03 02:16:40,213 INFO L899 garLoopResultBuilder]: For program point L2789(line 2789) no Hoare annotation was computed. [2022-11-03 02:16:40,213 INFO L899 garLoopResultBuilder]: For program point L2723(lines 2723 2773) no Hoare annotation was computed. [2022-11-03 02:16:40,213 INFO L899 garLoopResultBuilder]: For program point L2624(lines 2624 2838) no Hoare annotation was computed. [2022-11-03 02:16:40,214 INFO L899 garLoopResultBuilder]: For program point L2558(lines 2558 2561) no Hoare annotation was computed. [2022-11-03 02:16:40,214 INFO L899 garLoopResultBuilder]: For program point L2790(lines 2790 2794) no Hoare annotation was computed. [2022-11-03 02:16:40,214 INFO L899 garLoopResultBuilder]: For program point L2724(line 2724) no Hoare annotation was computed. [2022-11-03 02:16:40,214 INFO L899 garLoopResultBuilder]: For program point L2790-2(lines 2781 2831) no Hoare annotation was computed. [2022-11-03 02:16:40,214 INFO L899 garLoopResultBuilder]: For program point L2625(line 2625) no Hoare annotation was computed. [2022-11-03 02:16:40,215 INFO L899 garLoopResultBuilder]: For program point L2526(lines 2526 2529) no Hoare annotation was computed. [2022-11-03 02:16:40,215 INFO L899 garLoopResultBuilder]: For program point L2791-1(line 2791) no Hoare annotation was computed. [2022-11-03 02:16:40,215 INFO L895 garLoopResultBuilder]: At program point L2791(line 2791) the Hoare annotation is: false [2022-11-03 02:16:40,215 INFO L899 garLoopResultBuilder]: For program point L2725(lines 2725 2729) no Hoare annotation was computed. [2022-11-03 02:16:40,216 INFO L899 garLoopResultBuilder]: For program point L2626(lines 2626 2681) no Hoare annotation was computed. [2022-11-03 02:16:40,216 INFO L895 garLoopResultBuilder]: At program point L2726(line 2726) the Hoare annotation is: (let ((.cse0 (= ~onoff_interval~0 0)) (.cse1 (= ~ldv_state_variable_2~0 0)) (.cse2 (= ~ldv_spin~0 0)) (.cse3 (= ~ldv_state_variable_1~0 0))) (or (and (= ~ldv_state_variable_0~0 1) .cse0 .cse1 .cse2 .cse3 (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) (and .cse0 .cse1 .cse2 .cse3 (= ~ldv_state_variable_0~0 3)))) [2022-11-03 02:16:40,216 INFO L895 garLoopResultBuilder]: At program point L2660(line 2660) the Hoare annotation is: false [2022-11-03 02:16:40,216 INFO L899 garLoopResultBuilder]: For program point L2726-1(line 2726) no Hoare annotation was computed. [2022-11-03 02:16:40,217 INFO L899 garLoopResultBuilder]: For program point L2628(lines 2628 2678) no Hoare annotation was computed. [2022-11-03 02:16:40,217 INFO L899 garLoopResultBuilder]: For program point L2695(line 2695) no Hoare annotation was computed. [2022-11-03 02:16:40,217 INFO L899 garLoopResultBuilder]: For program point L2629(line 2629) no Hoare annotation was computed. [2022-11-03 02:16:40,217 INFO L895 garLoopResultBuilder]: At program point L2563(lines 2425 2585) the Hoare annotation is: false [2022-11-03 02:16:40,218 INFO L895 garLoopResultBuilder]: At program point L2464(lines 2456 2472) the Hoare annotation is: (= ~ldv_state_variable_0~0 1) [2022-11-03 02:16:40,218 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 02:16:40,218 INFO L899 garLoopResultBuilder]: For program point L2431-2(lines 2425 2585) no Hoare annotation was computed. [2022-11-03 02:16:40,218 INFO L895 garLoopResultBuilder]: At program point L2696(lines 2696 2711) the Hoare annotation is: (let ((.cse0 (= ~onoff_interval~0 0)) (.cse1 (= ~ldv_state_variable_2~0 0)) (.cse2 (= ~ldv_spin~0 0)) (.cse3 (= ~ldv_state_variable_1~0 0))) (or (and (= ~ldv_state_variable_0~0 1) .cse0 .cse1 .cse2 .cse3 (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) (and .cse0 .cse1 .cse2 .cse3 (= ~ldv_state_variable_0~0 3)))) [2022-11-03 02:16:40,219 INFO L899 garLoopResultBuilder]: For program point L2630(lines 2630 2634) no Hoare annotation was computed. [2022-11-03 02:16:40,219 INFO L895 garLoopResultBuilder]: At program point L2796(line 2796) the Hoare annotation is: false [2022-11-03 02:16:40,219 INFO L899 garLoopResultBuilder]: For program point L2829(line 2829) no Hoare annotation was computed. [2022-11-03 02:16:40,219 INFO L895 garLoopResultBuilder]: At program point L2763(line 2763) the Hoare annotation is: (let ((.cse0 (= ~onoff_interval~0 0)) (.cse1 (= ~ldv_state_variable_2~0 0)) (.cse2 (= ~ldv_spin~0 0)) (.cse3 (= ~ldv_state_variable_1~0 0))) (or (and (= ~ldv_state_variable_0~0 1) .cse0 .cse1 .cse2 .cse3 (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) (and .cse0 .cse1 .cse2 .cse3 (= ~ldv_state_variable_0~0 3)))) [2022-11-03 02:16:40,220 INFO L899 garLoopResultBuilder]: For program point L2796-1(line 2796) no Hoare annotation was computed. [2022-11-03 02:16:40,220 INFO L899 garLoopResultBuilder]: For program point L2631-1(line 2631) no Hoare annotation was computed. [2022-11-03 02:16:40,220 INFO L895 garLoopResultBuilder]: At program point L2631(line 2631) the Hoare annotation is: false [2022-11-03 02:16:40,220 INFO L895 garLoopResultBuilder]: At program point L2565(lines 2425 2585) the Hoare annotation is: false [2022-11-03 02:16:40,221 INFO L899 garLoopResultBuilder]: For program point L2532-1(lines 2532 2539) no Hoare annotation was computed. [2022-11-03 02:16:40,221 INFO L902 garLoopResultBuilder]: At program point L2830(line 2830) the Hoare annotation is: true [2022-11-03 02:16:40,221 INFO L899 garLoopResultBuilder]: For program point L2731(line 2731) no Hoare annotation was computed. [2022-11-03 02:16:40,221 INFO L899 garLoopResultBuilder]: For program point L2698-2(lines 2696 2710) no Hoare annotation was computed. [2022-11-03 02:16:40,222 INFO L899 garLoopResultBuilder]: For program point L2732(lines 2732 2736) no Hoare annotation was computed. [2022-11-03 02:16:40,222 INFO L899 garLoopResultBuilder]: For program point L2732-2(lines 2723 2773) no Hoare annotation was computed. [2022-11-03 02:16:40,222 INFO L899 garLoopResultBuilder]: For program point L2534(lines 2534 2537) no Hoare annotation was computed. [2022-11-03 02:16:40,222 INFO L899 garLoopResultBuilder]: For program point L2733-1(line 2733) no Hoare annotation was computed. [2022-11-03 02:16:40,223 INFO L895 garLoopResultBuilder]: At program point L2733(line 2733) the Hoare annotation is: (let ((.cse0 (= ~onoff_interval~0 0)) (.cse1 (= ~ldv_state_variable_2~0 0)) (.cse2 (= ~ldv_spin~0 0)) (.cse3 (= ~ldv_state_variable_1~0 0))) (or (and (= ~ldv_state_variable_0~0 1) .cse0 .cse1 .cse2 .cse3 (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) (and .cse0 .cse1 .cse2 .cse3 (= ~ldv_state_variable_0~0 3)))) [2022-11-03 02:16:40,223 INFO L899 garLoopResultBuilder]: For program point L2568(lines 2568 2578) no Hoare annotation was computed. [2022-11-03 02:16:40,223 INFO L895 garLoopResultBuilder]: At program point L2568-2(lines 2568 2578) the Hoare annotation is: false [2022-11-03 02:16:40,223 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:16:40,223 INFO L895 garLoopResultBuilder]: At program point L2668(line 2668) the Hoare annotation is: false [2022-11-03 02:16:40,224 INFO L899 garLoopResultBuilder]: For program point L2569-1(lines 2569 2572) no Hoare annotation was computed. [2022-11-03 02:16:40,224 INFO L895 garLoopResultBuilder]: At program point L2569(lines 2569 2572) the Hoare annotation is: false [2022-11-03 02:16:40,224 INFO L895 garLoopResultBuilder]: At program point L2470(line 2470) the Hoare annotation is: (= ~ldv_state_variable_0~0 1) [2022-11-03 02:16:40,224 INFO L895 garLoopResultBuilder]: At program point L2503(lines 2425 2585) the Hoare annotation is: false [2022-11-03 02:16:40,225 INFO L899 garLoopResultBuilder]: For program point L2470-1(line 2470) no Hoare annotation was computed. [2022-11-03 02:16:40,225 INFO L899 garLoopResultBuilder]: For program point L2801(line 2801) no Hoare annotation was computed. [2022-11-03 02:16:40,225 INFO L899 garLoopResultBuilder]: For program point L2636(line 2636) no Hoare annotation was computed. [2022-11-03 02:16:40,225 INFO L899 garLoopResultBuilder]: For program point L2802(lines 2802 2806) no Hoare annotation was computed. [2022-11-03 02:16:40,226 INFO L899 garLoopResultBuilder]: For program point L2802-2(lines 2781 2831) no Hoare annotation was computed. [2022-11-03 02:16:40,226 INFO L899 garLoopResultBuilder]: For program point L2637(lines 2637 2641) no Hoare annotation was computed. [2022-11-03 02:16:40,226 INFO L899 garLoopResultBuilder]: For program point L2637-2(lines 2628 2678) no Hoare annotation was computed. [2022-11-03 02:16:40,226 INFO L899 garLoopResultBuilder]: For program point L2836(line 2836) no Hoare annotation was computed. [2022-11-03 02:16:40,226 INFO L899 garLoopResultBuilder]: For program point L2803-1(line 2803) no Hoare annotation was computed. [2022-11-03 02:16:40,227 INFO L895 garLoopResultBuilder]: At program point L2803(line 2803) the Hoare annotation is: false [2022-11-03 02:16:40,227 INFO L895 garLoopResultBuilder]: At program point L2638(line 2638) the Hoare annotation is: false [2022-11-03 02:16:40,227 INFO L899 garLoopResultBuilder]: For program point L2638-1(line 2638) no Hoare annotation was computed. [2022-11-03 02:16:40,227 INFO L902 garLoopResultBuilder]: At program point L2837(line 2837) the Hoare annotation is: true [2022-11-03 02:16:40,228 INFO L895 garLoopResultBuilder]: At program point L2738(line 2738) the Hoare annotation is: (let ((.cse0 (= ~onoff_interval~0 0)) (.cse1 (= ~ldv_state_variable_2~0 0)) (.cse2 (= ~ldv_spin~0 0)) (.cse3 (= ~ldv_state_variable_1~0 0))) (or (and (= ~ldv_state_variable_0~0 1) .cse0 .cse1 .cse2 .cse3 (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) (and .cse0 .cse1 .cse2 .cse3 (= ~ldv_state_variable_0~0 3)))) [2022-11-03 02:16:40,228 INFO L899 garLoopResultBuilder]: For program point L2771(line 2771) no Hoare annotation was computed. [2022-11-03 02:16:40,228 INFO L899 garLoopResultBuilder]: For program point L2738-1(line 2738) no Hoare annotation was computed. [2022-11-03 02:16:40,228 INFO L899 garLoopResultBuilder]: For program point L2573(lines 2573 2576) no Hoare annotation was computed. [2022-11-03 02:16:40,229 INFO L899 garLoopResultBuilder]: For program point L2474(lines 2474 2477) no Hoare annotation was computed. [2022-11-03 02:16:40,229 INFO L895 garLoopResultBuilder]: At program point L2474-2(lines 2425 2585) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~onoff_interval~0 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) [2022-11-03 02:16:40,229 INFO L902 garLoopResultBuilder]: At program point L2772(line 2772) the Hoare annotation is: true [2022-11-03 02:16:40,229 INFO L895 garLoopResultBuilder]: At program point L2574(lines 2425 2585) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~ldv_spin~0 0) (<= (+ |ULTIMATE.start_lock_torture_init_~firsterr~0#1| 12) 0)) [2022-11-03 02:16:40,230 INFO L895 garLoopResultBuilder]: At program point L2508(lines 2508 2515) the Hoare annotation is: false [2022-11-03 02:16:40,230 INFO L899 garLoopResultBuilder]: For program point L2475-1(line 2475) no Hoare annotation was computed. [2022-11-03 02:16:40,230 INFO L895 garLoopResultBuilder]: At program point L2508-2(lines 2425 2585) the Hoare annotation is: false [2022-11-03 02:16:40,230 INFO L895 garLoopResultBuilder]: At program point L2475(line 2475) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~onoff_interval~0 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) [2022-11-03 02:16:40,231 INFO L895 garLoopResultBuilder]: At program point L2839(lines 2609 2844) the Hoare annotation is: (let ((.cse0 (= ~onoff_interval~0 0)) (.cse1 (= ~ldv_state_variable_2~0 0)) (.cse2 (= ~ldv_spin~0 0)) (.cse3 (= ~ldv_state_variable_1~0 0))) (or (and (= ~ldv_state_variable_0~0 1) .cse0 .cse1 .cse2 .cse3 (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) (and .cse0 .cse1 .cse2 .cse3 (= ~ldv_state_variable_0~0 3)))) [2022-11-03 02:16:40,231 INFO L902 garLoopResultBuilder]: At program point L2707(lines 2609 2844) the Hoare annotation is: true [2022-11-03 02:16:40,231 INFO L899 garLoopResultBuilder]: For program point L2542(lines 2542 2550) no Hoare annotation was computed. [2022-11-03 02:16:40,231 INFO L899 garLoopResultBuilder]: For program point L2510(lines 2510 2513) no Hoare annotation was computed. [2022-11-03 02:16:40,233 INFO L895 garLoopResultBuilder]: At program point L2808(line 2808) the Hoare annotation is: false [2022-11-03 02:16:40,233 INFO L899 garLoopResultBuilder]: For program point L2808-1(line 2808) no Hoare annotation was computed. [2022-11-03 02:16:40,233 INFO L899 garLoopResultBuilder]: For program point L2676(line 2676) no Hoare annotation was computed. [2022-11-03 02:16:40,234 INFO L895 garLoopResultBuilder]: At program point L2610(line 2610) the Hoare annotation is: (and (= ~onoff_interval~0 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (<= 0 ~ref_cnt~0) (= ~ldv_state_variable_1~0 0) (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) [2022-11-03 02:16:40,234 INFO L899 garLoopResultBuilder]: For program point L2643-1(line 2643) no Hoare annotation was computed. [2022-11-03 02:16:40,234 INFO L895 garLoopResultBuilder]: At program point L2643(line 2643) the Hoare annotation is: false [2022-11-03 02:16:40,236 INFO L899 garLoopResultBuilder]: For program point L2610-1(line 2610) no Hoare annotation was computed. [2022-11-03 02:16:40,236 INFO L899 garLoopResultBuilder]: For program point L2445(lines 2445 2448) no Hoare annotation was computed. [2022-11-03 02:16:40,237 INFO L895 garLoopResultBuilder]: At program point L2478-1(lines 2478 2483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~onoff_interval~0 0) (= ~ldv_state_variable_2~0 0) (= ~ldv_spin~0 0) (= ~ldv_state_variable_1~0 0) (= 0 ~lwsa~0.base) (= ~lwsa~0.offset 0)) [2022-11-03 02:16:40,237 INFO L899 garLoopResultBuilder]: For program point L2743(line 2743) no Hoare annotation was computed. [2022-11-03 02:16:40,237 INFO L902 garLoopResultBuilder]: At program point L2677(line 2677) the Hoare annotation is: true [2022-11-03 02:16:40,237 INFO L895 garLoopResultBuilder]: At program point L2894(line 2894) the Hoare annotation is: (not (= ~ldv_spin~0 0)) [2022-11-03 02:16:40,238 INFO L899 garLoopResultBuilder]: For program point ldv_check_alloc_flagsEXIT(lines 2889 2898) no Hoare annotation was computed. [2022-11-03 02:16:40,238 INFO L899 garLoopResultBuilder]: For program point L2892(lines 2892 2895) no Hoare annotation was computed. [2022-11-03 02:16:40,238 INFO L899 garLoopResultBuilder]: For program point L2894-1(lines 2889 2898) no Hoare annotation was computed. [2022-11-03 02:16:40,238 INFO L902 garLoopResultBuilder]: At program point ldv_check_alloc_flagsENTRY(lines 2889 2898) the Hoare annotation is: true [2022-11-03 02:16:40,244 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:16:40,247 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:16:40,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:16:40 BoogieIcfgContainer [2022-11-03 02:16:40,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:16:40,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:16:40,292 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:16:40,292 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:16:40,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:16:08" (3/4) ... [2022-11-03 02:16:40,296 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:16:40,303 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _torture_stop_kthread [2022-11-03 02:16:40,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2022-11-03 02:16:40,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_lock_busted_write_delay [2022-11-03 02:16:40,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_lock_spin_write_unlock_irq [2022-11-03 02:16:40,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2022-11-03 02:16:40,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-03 02:16:40,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_lock_busted_write_lock [2022-11-03 02:16:40,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2022-11-03 02:16:40,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_random [2022-11-03 02:16:40,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-03 02:16:40,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_torture_stats_print [2022-11-03 02:16:40,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_lock_busted_write_unlock [2022-11-03 02:16:40,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_torture_print_module_parms [2022-11-03 02:16:40,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_spin_lock_write_delay [2022-11-03 02:16:40,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_torture_cleanup [2022-11-03 02:16:40,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_init_end [2022-11-03 02:16:40,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-03 02:16:40,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock [2022-11-03 02:16:40,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock [2022-11-03 02:16:40,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_spin_lock_write_lock_irq [2022-11-03 02:16:40,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-03 02:16:40,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _torture_create_kthread [2022-11-03 02:16:40,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_spin_lock_write_lock [2022-11-03 02:16:40,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~~TO~VOID [2022-11-03 02:16:40,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2022-11-03 02:16:40,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_spin_lock_write_unlock [2022-11-03 02:16:40,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2022-11-03 02:16:40,343 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 182 nodes and edges [2022-11-03 02:16:40,345 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2022-11-03 02:16:40,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-03 02:16:40,349 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 02:16:40,351 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 02:16:40,352 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:16:40,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:16:40,400 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((ldv_state_variable_0 == 1 && firsterr + 12 <= 0) && \result + 12 <= 0) || (ldv_state_variable_0 == 1 && \result + 16 <= 0) [2022-11-03 02:16:40,542 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:16:40,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:16:40,543 INFO L158 Benchmark]: Toolchain (without parser) took 35864.72ms. Allocated memory was 132.1MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 93.8MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 469.9MB. Max. memory is 16.1GB. [2022-11-03 02:16:40,544 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory was 83.9MB in the beginning and 132.1MB in the end (delta: 48.2MB). Free memory was 57.6MB in the beginning and 113.4MB in the end (delta: -55.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:16:40,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1437.41ms. Allocated memory is still 132.1MB. Free memory was 93.5MB in the beginning and 72.8MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-03 02:16:40,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 171.36ms. Allocated memory is still 132.1MB. Free memory was 72.8MB in the beginning and 67.1MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:16:40,547 INFO L158 Benchmark]: Boogie Preprocessor took 140.09ms. Allocated memory is still 132.1MB. Free memory was 67.1MB in the beginning and 61.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 02:16:40,547 INFO L158 Benchmark]: RCFGBuilder took 1945.95ms. Allocated memory is still 132.1MB. Free memory was 61.7MB in the beginning and 57.8MB in the end (delta: 3.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-03 02:16:40,549 INFO L158 Benchmark]: TraceAbstraction took 31907.11ms. Allocated memory was 132.1MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 57.0MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 456.8MB. Max. memory is 16.1GB. [2022-11-03 02:16:40,549 INFO L158 Benchmark]: Witness Printer took 251.58ms. Allocated memory is still 2.3GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-03 02:16:40,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory was 83.9MB in the beginning and 132.1MB in the end (delta: 48.2MB). Free memory was 57.6MB in the beginning and 113.4MB in the end (delta: -55.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1437.41ms. Allocated memory is still 132.1MB. Free memory was 93.5MB in the beginning and 72.8MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 171.36ms. Allocated memory is still 132.1MB. Free memory was 72.8MB in the beginning and 67.1MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.09ms. Allocated memory is still 132.1MB. Free memory was 67.1MB in the beginning and 61.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1945.95ms. Allocated memory is still 132.1MB. Free memory was 61.7MB in the beginning and 57.8MB in the end (delta: 3.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 31907.11ms. Allocated memory was 132.1MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 57.0MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 456.8MB. Max. memory is 16.1GB. * Witness Printer took 251.58ms. Allocated memory is still 2.3GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. 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: 2013]: 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 28 procedures, 265 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.8s, OverallIterations: 14, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4850 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4824 mSDsluCounter, 12353 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7243 mSDsCounter, 321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2529 IncrementalHoareTripleChecker+Invalid, 2850 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 321 mSolverCounterUnsat, 5909 mSDtfsCounter, 2529 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 618 GetRequests, 565 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17087occurred in iteration=13, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 15656 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 121 LocationsWithAnnotation, 17060 PreInvPairs, 17371 NumberOfFragments, 874 HoareAnnotationTreeSize, 17060 FomulaSimplifications, 4294 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 121 FomulaSimplificationsInter, 11497 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1578 NumberOfCodeBlocks, 1578 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1785 ConstructedInterpolants, 0 QuantifiedInterpolants, 3411 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2980 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 19 InterpolantComputations, 14 PerfectInterpolantSequences, 551/611 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: 2755]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && onoff_interval == 0) && ldv_state_variable_2 == 0) && ldv_spin == 0) && ldv_state_variable_1 == 0) && 0 == lwsa) && lwsa == 0) || ((((onoff_interval == 0 && ldv_state_variable_2 == 0) && ldv_spin == 0) && ldv_state_variable_1 == 0) && ldv_state_variable_0 == 3) - InvariantResult [Line: 2508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2609]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && onoff_interval == 0) && ldv_state_variable_2 == 0) && ldv_spin == 0) && ldv_state_variable_1 == 0) && 0 == lwsa) && lwsa == 0) || ((((onoff_interval == 0 && ldv_state_variable_2 == 0) && ldv_spin == 0) && ldv_state_variable_1 == 0) && ldv_state_variable_0 == 3) - InvariantResult [Line: 2425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2425]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && onoff_interval == 0) && ldv_state_variable_2 == 0) && ldv_spin == 0) && ldv_state_variable_1 == 0) && 0 == lwsa) && lwsa == 0 - InvariantResult [Line: 2425]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && onoff_interval == 0) && ldv_state_variable_2 == 0) && ldv_spin == 0) && ldv_state_variable_1 == 0) && 0 == lwsa) && lwsa == 0 - InvariantResult [Line: 2371]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2609]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2399]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2096]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1937]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2696]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && onoff_interval == 0) && ldv_state_variable_2 == 0) && ldv_spin == 0) && ldv_state_variable_1 == 0) && 0 == lwsa) && lwsa == 0) || ((((onoff_interval == 0 && ldv_state_variable_2 == 0) && ldv_spin == 0) && ldv_state_variable_1 == 0) && ldv_state_variable_0 == 3) - InvariantResult [Line: 2016]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2425]: Loop Invariant Derived loop invariant: (ldv_state_variable_0 == 1 && ldv_spin == 0) && firsterr + 12 <= 0 - InvariantResult [Line: 2849]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2883]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2857]: Loop Invariant Derived loop invariant: (((((!(ldv_state_variable_1 == 0) || !(onoff_interval == 0)) || !(0 == lwsa)) || ldv_spin == 0) || !(ldv_state_variable_0 == 1)) || !(ldv_state_variable_2 == 0)) || !(lwsa == 0) - InvariantResult [Line: 2383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2763]: Loop Invariant Derived loop invariant: ((((((ldv_state_variable_0 == 1 && onoff_interval == 0) && ldv_state_variable_2 == 0) && ldv_spin == 0) && ldv_state_variable_1 == 0) && 0 == lwsa) && lwsa == 0) || ((((onoff_interval == 0 && ldv_state_variable_2 == 0) && ldv_spin == 0) && ldv_state_variable_1 == 0) && ldv_state_variable_0 == 3) - InvariantResult [Line: 2865]: Loop Invariant Derived loop invariant: (((((!(ldv_state_variable_1 == 0) || !(onoff_interval == 0)) || !(0 == lwsa)) || ldv_spin == 0) || !(ldv_state_variable_0 == 1)) || !(ldv_state_variable_2 == 0)) || !(lwsa == 0) - InvariantResult [Line: 2096]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2414]: Loop Invariant Derived loop invariant: ((ldv_state_variable_0 == 1 && firsterr + 12 <= 0) && \result + 12 <= 0) || (ldv_state_variable_0 == 1 && \result + 16 <= 0) - InvariantResult [Line: 2425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2274]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2456]: Loop Invariant Derived loop invariant: ldv_state_variable_0 == 1 - InvariantResult [Line: 2614]: Loop Invariant Derived loop invariant: (((((onoff_interval == 0 && ldv_state_variable_2 == 0) && ldv_spin == 0) && 0 <= ref_cnt) && ldv_state_variable_1 == 0) && 0 == lwsa) && lwsa == 0 - InvariantResult [Line: 2425]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2425]: Loop Invariant Derived loop invariant: (((((ldv_state_variable_0 == 1 && onoff_interval == 0) && ldv_state_variable_2 == 0) && ldv_spin == 0) && ldv_state_variable_1 == 0) && 0 == lwsa) && lwsa == 0 RESULT: Ultimate proved your program to be correct! [2022-11-03 02:16:40,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fdc75b2-f32b-4412-a569-3333415523aa/bin/utaipan-7li7fVZpFI/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