./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b1c027fee61a8058055c949088f7676db617c5b1b19a093573b50c07cbdcbacd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:00:07,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:00:07,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:00:07,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:00:07,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:00:07,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:00:07,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:00:07,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:00:07,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:00:07,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:00:07,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:00:07,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:00:07,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:00:07,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:00:07,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:00:07,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:00:07,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:00:07,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:00:07,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:00:07,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:00:07,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:00:07,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:00:07,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:00:07,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:00:07,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:00:07,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:00:07,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:00:07,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:00:07,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:00:07,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:00:07,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:00:07,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:00:07,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:00:07,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:00:07,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:00:07,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:00:07,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:00:07,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:00:07,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:00:07,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:00:07,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:00:07,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:00:07,221 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:00:07,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:00:07,222 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:00:07,222 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:00:07,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:00:07,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:00:07,224 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:00:07,224 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:00:07,225 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:00:07,225 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:00:07,226 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:00:07,226 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:00:07,227 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:00:07,227 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:00:07,227 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:00:07,227 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:00:07,227 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:00:07,228 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:00:07,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:00:07,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:00:07,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:00:07,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:00:07,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:00:07,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:00:07,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:00:07,238 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:00:07,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:00:07,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:00:07,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:00:07,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:00:07,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:00:07,240 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:00:07,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:00:07,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:00:07,241 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:00:07,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:00:07,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:00:07,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:00:07,241 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_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c027fee61a8058055c949088f7676db617c5b1b19a093573b50c07cbdcbacd [2022-11-19 08:00:07,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:00:07,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:00:07,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:00:07,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:00:07,532 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:00:07,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2022-11-19 08:00:07,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/data/a02a97e80/24cee2ee58d047c4b33733e493c6d802/FLAGaa7e6a6eb [2022-11-19 08:00:08,844 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:00:08,844 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2022-11-19 08:00:08,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/data/a02a97e80/24cee2ee58d047c4b33733e493c6d802/FLAGaa7e6a6eb [2022-11-19 08:00:09,450 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/data/a02a97e80/24cee2ee58d047c4b33733e493c6d802 [2022-11-19 08:00:09,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:00:09,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:00:09,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:00:09,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:00:09,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:00:09,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:09" (1/1) ... [2022-11-19 08:00:09,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b2eea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:09, skipping insertion in model container [2022-11-19 08:00:09,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:09" (1/1) ... [2022-11-19 08:00:09,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:00:09,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:00:18,752 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i[723056,723069] [2022-11-19 08:00:19,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:00:19,356 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:00:20,429 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i[723056,723069] [2022-11-19 08:00:20,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:00:21,113 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:00:21,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21 WrapperNode [2022-11-19 08:00:21,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:00:21,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:00:21,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:00:21,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:00:21,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21" (1/1) ... [2022-11-19 08:00:21,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21" (1/1) ... [2022-11-19 08:00:21,760 INFO L138 Inliner]: procedures = 905, calls = 10026, calls flagged for inlining = 323, calls inlined = 188, statements flattened = 12744 [2022-11-19 08:00:21,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:00:21,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:00:21,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:00:21,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:00:21,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21" (1/1) ... [2022-11-19 08:00:21,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21" (1/1) ... [2022-11-19 08:00:21,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21" (1/1) ... [2022-11-19 08:00:21,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21" (1/1) ... [2022-11-19 08:00:22,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21" (1/1) ... [2022-11-19 08:00:22,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21" (1/1) ... [2022-11-19 08:00:22,271 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21" (1/1) ... [2022-11-19 08:00:22,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21" (1/1) ... [2022-11-19 08:00:22,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:00:22,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:00:22,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:00:22,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:00:22,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21" (1/1) ... [2022-11-19 08:00:22,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:00:22,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:00:22,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:00:22,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:00:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM_page [2022-11-19 08:00:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM_page [2022-11-19 08:00:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-19 08:00:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2022-11-19 08:00:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2022-11-19 08:00:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_status_to_errno [2022-11-19 08:00:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_status_to_errno [2022-11-19 08:00:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icms [2022-11-19 08:00:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icms [2022-11-19 08:00:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 08:00:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 08:00:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 08:00:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 08:00:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 08:00:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 08:00:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_key [2022-11-19 08:00:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_key [2022-11-19 08:00:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure key_to_hw_index [2022-11-19 08:00:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure key_to_hw_index [2022-11-19 08:00:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 08:00:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 08:00:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-11-19 08:00:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-11-19 08:00:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 08:00:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 08:00:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_icm [2022-11-19 08:00:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_icm [2022-11-19 08:00:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 08:00:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 08:00:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uarc_virt [2022-11-19 08:00:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uarc_virt [2022-11-19 08:00:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-11-19 08:00:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-11-19 08:00:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 08:00:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 08:00:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2022-11-19 08:00:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2022-11-19 08:00:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 08:00:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 08:00:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2022-11-19 08:00:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2022-11-19 08:00:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_cleanup [2022-11-19 08:00:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_cleanup [2022-11-19 08:00:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_device [2022-11-19 08:00:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_device [2022-11-19 08:00:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 08:00:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 08:00:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_port [2022-11-19 08:00:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_port [2022-11-19 08:00:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_region [2022-11-19 08:00:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_region [2022-11-19 08:00:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 08:00:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 08:00:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-19 08:00:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-19 08:00:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_pcie_cap [2022-11-19 08:00:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_pcie_cap [2022-11-19 08:00:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CLOSE_IB [2022-11-19 08:00:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CLOSE_IB [2022-11-19 08:00:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure clear_page [2022-11-19 08:00:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_page [2022-11-19 08:00:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_alloc [2022-11-19 08:00:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_alloc [2022-11-19 08:00:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:00:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_init_one [2022-11-19 08:00:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_init_one [2022-11-19 08:00:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_create_eq [2022-11-19 08:00:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_create_eq [2022-11-19 08:00:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt [2022-11-19 08:00:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt [2022-11-19 08:00:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm_table [2022-11-19 08:00:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm_table [2022-11-19 08:00:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_catas_cleanup [2022-11-19 08:00:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_catas_cleanup [2022-11-19 08:00:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure hw_index_to_key [2022-11-19 08:00:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_index_to_key [2022-11-19 08:00:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-19 08:00:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-19 08:00:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64_raw [2022-11-19 08:00:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64_raw [2022-11-19 08:00:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 08:00:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 08:00:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_use_polling [2022-11-19 08:00:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_use_polling [2022-11-19 08:00:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-19 08:00:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-19 08:00:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm_table [2022-11-19 08:00:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm_table [2022-11-19 08:00:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:00:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt_range [2022-11-19 08:00:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt_range [2022-11-19 08:00:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-19 08:00:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-19 08:00:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:00:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:00:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-19 08:00:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-19 08:00:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 08:00:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-19 08:00:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-19 08:00:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_free [2022-11-19 08:00:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_free [2022-11-19 08:00:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_cleanup [2022-11-19 08:00:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_cleanup [2022-11-19 08:00:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_eq_req_not [2022-11-19 08:00:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_eq_req_not [2022-11-19 08:00:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 08:00:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 08:00:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2022-11-19 08:00:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2022-11-19 08:00:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 08:00:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 08:00:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_cleanup [2022-11-19 08:00:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_cleanup [2022-11-19 08:00:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_eq_table [2022-11-19 08:00:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_eq_table [2022-11-19 08:00:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 08:00:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 08:00:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:00:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:00:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 08:00:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 08:00:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 08:00:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 08:00:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:00:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-19 08:00:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-19 08:00:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_av_table [2022-11-19 08:00:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_av_table [2022-11-19 08:00:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_icm [2022-11-19 08:00:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_icm [2022-11-19 08:00:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_alloc_mtt [2022-11-19 08:00:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_alloc_mtt [2022-11-19 08:00:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-11-19 08:00:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-11-19 08:00:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 08:00:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 08:00:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 08:00:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 08:00:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_is_memfree [2022-11-19 08:00:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_is_memfree [2022-11-19 08:00:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_eq_req_not [2022-11-19 08:00:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_eq_req_not [2022-11-19 08:00:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM [2022-11-19 08:00:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM [2022-11-19 08:00:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:00:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:00:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure set_eqe_hw [2022-11-19 08:00:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure set_eqe_hw [2022-11-19 08:00:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 08:00:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 08:00:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-19 08:00:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-19 08:00:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:00:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 08:00:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 08:00:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_update_rate [2022-11-19 08:00:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_update_rate [2022-11-19 08:00:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:00:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_ICM [2022-11-19 08:00:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_ICM [2022-11-19 08:00:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_init [2022-11-19 08:00:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_init [2022-11-19 08:00:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 08:00:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 08:00:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-19 08:00:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-19 08:00:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_uar_table [2022-11-19 08:00:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_uar_table [2022-11-19 08:00:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 08:00:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 08:00:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 08:00:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 08:00:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_addr [2022-11-19 08:00:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_addr [2022-11-19 08:00:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-11-19 08:00:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-11-19 08:00:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-19 08:00:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-19 08:00:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 08:00:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 08:00:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 08:00:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 08:00:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mtt [2022-11-19 08:00:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mtt [2022-11-19 08:00:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure go_bit [2022-11-19 08:00:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure go_bit [2022-11-19 08:00:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:00:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free [2022-11-19 08:00:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free [2022-11-19 08:00:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-11-19 08:00:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-11-19 08:00:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-19 08:00:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-19 08:00:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:00:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:00:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mthca_device_mutex [2022-11-19 08:00:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mthca_device_mutex [2022-11-19 08:00:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SW2HW_MPT [2022-11-19 08:00:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SW2HW_MPT [2022-11-19 08:00:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_write_word [2022-11-19 08:00:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_write_word [2022-11-19 08:00:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_irqs [2022-11-19 08:00:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_irqs [2022-11-19 08:00:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mr_table [2022-11-19 08:00:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mr_table [2022-11-19 08:00:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2022-11-19 08:00:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2022-11-19 08:00:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_GET [2022-11-19 08:00:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-11-19 08:00:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-11-19 08:00:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2022-11-19 08:00:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2022-11-19 08:00:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_notrans [2022-11-19 08:00:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_notrans [2022-11-19 08:00:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-11-19 08:00:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-11-19 08:00:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 08:00:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 08:00:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_put [2022-11-19 08:00:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_put [2022-11-19 08:00:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc [2022-11-19 08:00:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc [2022-11-19 08:00:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write64 [2022-11-19 08:00:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write64 [2022-11-19 08:00:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-19 08:00:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-19 08:00:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_imm [2022-11-19 08:00:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_imm [2022-11-19 08:00:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_mcg_table [2022-11-19 08:00:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_mcg_table [2022-11-19 08:00:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_qp_table [2022-11-19 08:00:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_qp_table [2022-11-19 08:00:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 08:00:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 08:00:22,560 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_device [2022-11-19 08:00:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_device [2022-11-19 08:00:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2022-11-19 08:00:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2022-11-19 08:00:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-19 08:00:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-19 08:00:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-19 08:00:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-19 08:00:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_INIT_HCA [2022-11-19 08:00:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_INIT_HCA [2022-11-19 08:00:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_hw_index_to_key [2022-11-19 08:00:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_hw_index_to_key [2022-11-19 08:00:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:00:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:00:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 08:00:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 08:00:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-11-19 08:00:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-11-19 08:00:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_cq_table [2022-11-19 08:00:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_cq_table [2022-11-19 08:00:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_cleanup [2022-11-19 08:00:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_cleanup [2022-11-19 08:00:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 08:00:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 08:00:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_close_hca [2022-11-19 08:00:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_close_hca [2022-11-19 08:00:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAP_EQ [2022-11-19 08:00:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAP_EQ [2022-11-19 08:00:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure down [2022-11-19 08:00:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2022-11-19 08:00:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-19 08:00:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-19 08:00:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_MAD_IFC [2022-11-19 08:00:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_MAD_IFC [2022-11-19 08:00:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_cmd [2022-11-19 08:00:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_cmd [2022-11-19 08:00:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-19 08:00:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-19 08:00:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:00:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-11-19 08:00:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mthca_icm_table [2022-11-19 08:00:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_eq [2022-11-19 08:00:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_eq [2022-11-19 08:00:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_alloc [2022-11-19 08:00:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_alloc [2022-11-19 08:00:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mailbox [2022-11-19 08:00:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mailbox [2022-11-19 08:00:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-19 08:00:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-19 08:00:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-19 08:00:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-19 08:00:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:00:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_DISABLE_LAM [2022-11-19 08:00:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_DISABLE_LAM [2022-11-19 08:00:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 08:00:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 08:00:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:00:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-11-19 08:00:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-11-19 08:00:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_uar_alloc [2022-11-19 08:00:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_uar_alloc [2022-11-19 08:00:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2022-11-19 08:00:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2022-11-19 08:00:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mthca_device_mutex [2022-11-19 08:00:22,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mthca_device_mutex [2022-11-19 08:00:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_setup_hca [2022-11-19 08:00:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_setup_hca [2022-11-19 08:00:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:00:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:00:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc [2022-11-19 08:00:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc [2022-11-19 08:00:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_CONF_SPECIAL_QP [2022-11-19 08:00:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_CONF_SPECIAL_QP [2022-11-19 08:00:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_map_reg [2022-11-19 08:00:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_map_reg [2022-11-19 08:00:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_check_profile_val [2022-11-19 08:00:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_check_profile_val [2022-11-19 08:00:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_sg [2022-11-19 08:00:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_sg [2022-11-19 08:00:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_FA [2022-11-19 08:00:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_FA [2022-11-19 08:00:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_buddy_free [2022-11-19 08:00:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_buddy_free [2022-11-19 08:00:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-19 08:00:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-19 08:00:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_write_mtt_size [2022-11-19 08:00:22,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_write_mtt_size [2022-11-19 08:00:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure dma_get_cache_alignment [2022-11-19 08:00:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_get_cache_alignment [2022-11-19 08:00:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_free_mr [2022-11-19 08:00:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_free_mr [2022-11-19 08:00:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mailbox [2022-11-19 08:00:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mailbox [2022-11-19 08:00:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-19 08:00:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-19 08:00:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 08:00:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 08:00:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_dev_lim [2022-11-19 08:00:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_dev_lim [2022-11-19 08:00:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2022-11-19 08:00:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2022-11-19 08:00:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure tavor_hw_index_to_key [2022-11-19 08:00:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure tavor_hw_index_to_key [2022-11-19 08:00:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_QUERY_FW [2022-11-19 08:00:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_QUERY_FW [2022-11-19 08:00:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-19 08:00:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-19 08:00:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-19 08:00:22,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-19 08:00:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_SYS_DIS [2022-11-19 08:00:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_SYS_DIS [2022-11-19 08:00:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_init [2022-11-19 08:00:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_init [2022-11-19 08:00:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_box [2022-11-19 08:00:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_box [2022-11-19 08:00:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:00:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2022-11-19 08:00:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2022-11-19 08:00:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 08:00:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 08:00:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_make_profile [2022-11-19 08:00:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_make_profile [2022-11-19 08:00:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2022-11-19 08:00:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2022-11-19 08:00:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 08:00:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 08:00:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unregister_device [2022-11-19 08:00:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unregister_device [2022-11-19 08:00:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure arbel_key_to_hw_index [2022-11-19 08:00:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure arbel_key_to_hw_index [2022-11-19 08:00:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-19 08:00:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-19 08:00:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-19 08:00:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-19 08:00:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-11-19 08:00:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-11-19 08:00:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-19 08:00:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-19 08:00:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-19 08:00:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-19 08:00:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:00:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_find [2022-11-19 08:00:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_find [2022-11-19 08:00:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_icm [2022-11-19 08:00:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_icm [2022-11-19 08:00:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_icm_size [2022-11-19 08:00:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_icm_size [2022-11-19 08:00:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-19 08:00:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-19 08:00:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-19 08:00:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-19 08:00:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_srq_table [2022-11-19 08:00:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_srq_table [2022-11-19 08:00:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_poll [2022-11-19 08:00:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_poll [2022-11-19 08:00:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_UNMAP_ICM_AUX [2022-11-19 08:00:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_UNMAP_ICM_AUX [2022-11-19 08:00:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2022-11-19 08:00:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2022-11-19 08:00:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_wait [2022-11-19 08:00:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_wait [2022-11-19 08:00:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_mr_alloc_phys [2022-11-19 08:00:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_mr_alloc_phys [2022-11-19 08:00:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_sg [2022-11-19 08:00:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_sg [2022-11-19 08:00:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:00:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:00:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure get_eqe [2022-11-19 08:00:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eqe [2022-11-19 08:00:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure async_mask [2022-11-19 08:00:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mask [2022-11-19 08:00:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_array_init [2022-11-19 08:00:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_array_init [2022-11-19 08:00:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_pd_free [2022-11-19 08:00:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_pd_free [2022-11-19 08:00:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd [2022-11-19 08:00:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd [2022-11-19 08:00:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-19 08:00:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-19 08:00:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_table_get [2022-11-19 08:00:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_table_get [2022-11-19 08:00:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure __mthca_remove_one [2022-11-19 08:00:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __mthca_remove_one [2022-11-19 08:00:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-19 08:00:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-19 08:00:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cleanup_pd_table [2022-11-19 08:00:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cleanup_pd_table [2022-11-19 08:00:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure init_query_mad [2022-11-19 08:00:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure init_query_mad [2022-11-19 08:00:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2022-11-19 08:00:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2022-11-19 08:00:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-11-19 08:00:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mthca_icm_table [2022-11-19 08:00:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_cmd_post [2022-11-19 08:00:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_cmd_post [2022-11-19 08:00:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 08:00:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 08:00:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 08:00:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 08:00:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:00:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_unmap_eq_regs [2022-11-19 08:00:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_unmap_eq_regs [2022-11-19 08:00:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure __buggy_use_of_MTHCA_PUT [2022-11-19 08:00:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure mthca_alloc_mtt [2022-11-19 08:00:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mthca_alloc_mtt [2022-11-19 08:00:24,234 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:00:24,241 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:00:54,648 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:00:59,123 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:00:59,123 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:00:59,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:59 BoogieIcfgContainer [2022-11-19 08:00:59,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:00:59,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:00:59,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:00:59,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:00:59,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:09" (1/3) ... [2022-11-19 08:00:59,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379ca46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:59, skipping insertion in model container [2022-11-19 08:00:59,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21" (2/3) ... [2022-11-19 08:00:59,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379ca46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:59, skipping insertion in model container [2022-11-19 08:00:59,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:59" (3/3) ... [2022-11-19 08:00:59,139 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw--mthca--ib_mthca.ko-main.cil.out.i [2022-11-19 08:00:59,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:00:59,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:00:59,269 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:00:59,275 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;@6351de7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:00:59,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:00:59,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 4013 states, 2588 states have (on average 1.3721020092735703) internal successors, (3551), 2657 states have internal predecessors, (3551), 1213 states have call successors, (1213), 210 states have call predecessors, (1213), 210 states have return successors, (1213), 1213 states have call predecessors, (1213), 1213 states have call successors, (1213) [2022-11-19 08:00:59,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 08:00:59,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:00:59,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:00:59,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:00:59,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:00:59,305 INFO L85 PathProgramCache]: Analyzing trace with hash 93952838, now seen corresponding path program 1 times [2022-11-19 08:00:59,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:00:59,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726918899] [2022-11-19 08:00:59,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:00:59,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:00:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:00,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:01:00,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:00,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726918899] [2022-11-19 08:01:00,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726918899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:01:00,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:01:00,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:01:00,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624592265] [2022-11-19 08:01:00,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:01:00,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:01:00,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:01:00,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:01:00,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:01:00,298 INFO L87 Difference]: Start difference. First operand has 4013 states, 2588 states have (on average 1.3721020092735703) internal successors, (3551), 2657 states have internal predecessors, (3551), 1213 states have call successors, (1213), 210 states have call predecessors, (1213), 210 states have return successors, (1213), 1213 states have call predecessors, (1213), 1213 states have call successors, (1213) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:01:03,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:05,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:08,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:11,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:13,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:14,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:01:14,534 INFO L93 Difference]: Finished difference Result 8099 states and 12232 transitions. [2022-11-19 08:01:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:01:14,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-19 08:01:14,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:01:14,598 INFO L225 Difference]: With dead ends: 8099 [2022-11-19 08:01:14,598 INFO L226 Difference]: Without dead ends: 4065 [2022-11-19 08:01:14,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:01:14,646 INFO L413 NwaCegarLoop]: 5422 mSDtfsCounter, 106 mSDsluCounter, 5403 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 10825 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:01:14,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 10825 Invalid, 1075 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1071 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2022-11-19 08:01:14,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4065 states. [2022-11-19 08:01:14,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4065 to 4026. [2022-11-19 08:01:14,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4026 states, 2588 states have (on average 1.3674652241112828) internal successors, (3539), 2656 states have internal predecessors, (3539), 1223 states have call successors, (1223), 215 states have call predecessors, (1223), 214 states have return successors, (1204), 1203 states have call predecessors, (1204), 1204 states have call successors, (1204) [2022-11-19 08:01:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4026 states to 4026 states and 5966 transitions. [2022-11-19 08:01:15,007 INFO L78 Accepts]: Start accepts. Automaton has 4026 states and 5966 transitions. Word has length 16 [2022-11-19 08:01:15,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:01:15,007 INFO L495 AbstractCegarLoop]: Abstraction has 4026 states and 5966 transitions. [2022-11-19 08:01:15,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:01:15,008 INFO L276 IsEmpty]: Start isEmpty. Operand 4026 states and 5966 transitions. [2022-11-19 08:01:15,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 08:01:15,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:01:15,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:01:15,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:01:15,013 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:01:15,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:01:15,014 INFO L85 PathProgramCache]: Analyzing trace with hash -188886302, now seen corresponding path program 1 times [2022-11-19 08:01:15,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:01:15,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813750133] [2022-11-19 08:01:15,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:15,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:01:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:15,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:01:15,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:15,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813750133] [2022-11-19 08:01:15,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813750133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:01:15,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:01:15,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:01:15,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681000664] [2022-11-19 08:01:15,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:01:15,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:01:15,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:01:15,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:01:15,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:01:15,494 INFO L87 Difference]: Start difference. First operand 4026 states and 5966 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:01:18,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:23,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:26,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:28,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:30,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:01:30,110 INFO L93 Difference]: Finished difference Result 8076 states and 11963 transitions. [2022-11-19 08:01:30,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:01:30,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-19 08:01:30,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:01:30,138 INFO L225 Difference]: With dead ends: 8076 [2022-11-19 08:01:30,138 INFO L226 Difference]: Without dead ends: 4051 [2022-11-19 08:01:30,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:01:30,167 INFO L413 NwaCegarLoop]: 5370 mSDtfsCounter, 59 mSDsluCounter, 5333 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 10703 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:01:30,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 10703 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1067 Invalid, 4 Unknown, 0 Unchecked, 14.3s Time] [2022-11-19 08:01:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4051 states. [2022-11-19 08:01:30,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4051 to 4024. [2022-11-19 08:01:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4024 states, 2597 states have (on average 1.3688871775125144) internal successors, (3555), 2664 states have internal predecessors, (3555), 1212 states have call successors, (1212), 215 states have call predecessors, (1212), 214 states have return successors, (1193), 1193 states have call predecessors, (1193), 1193 states have call successors, (1193) [2022-11-19 08:01:30,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4024 states to 4024 states and 5960 transitions. [2022-11-19 08:01:30,349 INFO L78 Accepts]: Start accepts. Automaton has 4024 states and 5960 transitions. Word has length 16 [2022-11-19 08:01:30,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:01:30,349 INFO L495 AbstractCegarLoop]: Abstraction has 4024 states and 5960 transitions. [2022-11-19 08:01:30,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:01:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 4024 states and 5960 transitions. [2022-11-19 08:01:30,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-19 08:01:30,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:01:30,353 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:01:30,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:01:30,354 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:01:30,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:01:30,354 INFO L85 PathProgramCache]: Analyzing trace with hash -349790342, now seen corresponding path program 1 times [2022-11-19 08:01:30,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:01:30,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122068900] [2022-11-19 08:01:30,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:30,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:01:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:01:32,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:32,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122068900] [2022-11-19 08:01:32,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122068900] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:01:32,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839510657] [2022-11-19 08:01:32,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:32,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:32,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:01:32,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:01:32,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:01:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:33,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 3875 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:01:34,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:01:34,339 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 08:01:34,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:01:34,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839510657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:01:34,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:01:34,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-19 08:01:34,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050098105] [2022-11-19 08:01:34,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:01:34,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:01:34,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:01:34,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:01:34,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:01:34,341 INFO L87 Difference]: Start difference. First operand 4024 states and 5960 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:01:36,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:39,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:41,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:43,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:44,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:01:44,508 INFO L93 Difference]: Finished difference Result 4072 states and 6033 transitions. [2022-11-19 08:01:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:01:44,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 64 [2022-11-19 08:01:44,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:01:44,532 INFO L225 Difference]: With dead ends: 4072 [2022-11-19 08:01:44,532 INFO L226 Difference]: Without dead ends: 4069 [2022-11-19 08:01:44,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:01:44,539 INFO L413 NwaCegarLoop]: 5419 mSDtfsCounter, 5861 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5865 SdHoareTripleChecker+Valid, 5474 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:01:44,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5865 Valid, 5474 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 554 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2022-11-19 08:01:44,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4069 states. [2022-11-19 08:01:44,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4069 to 4065. [2022-11-19 08:01:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4065 states, 2628 states have (on average 1.371765601217656) internal successors, (3605), 2696 states have internal predecessors, (3605), 1219 states have call successors, (1219), 218 states have call predecessors, (1219), 217 states have return successors, (1201), 1199 states have call predecessors, (1201), 1201 states have call successors, (1201) [2022-11-19 08:01:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 4065 states and 6025 transitions. [2022-11-19 08:01:44,747 INFO L78 Accepts]: Start accepts. Automaton has 4065 states and 6025 transitions. Word has length 64 [2022-11-19 08:01:44,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:01:44,747 INFO L495 AbstractCegarLoop]: Abstraction has 4065 states and 6025 transitions. [2022-11-19 08:01:44,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:01:44,749 INFO L276 IsEmpty]: Start isEmpty. Operand 4065 states and 6025 transitions. [2022-11-19 08:01:44,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 08:01:44,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:01:44,758 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:01:44,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 08:01:44,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-19 08:01:44,975 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:01:44,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:01:44,976 INFO L85 PathProgramCache]: Analyzing trace with hash 2039318261, now seen corresponding path program 1 times [2022-11-19 08:01:44,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:01:44,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000377795] [2022-11-19 08:01:44,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:44,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:01:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:46,517 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:01:46,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:46,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000377795] [2022-11-19 08:01:46,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000377795] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:01:46,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355540582] [2022-11-19 08:01:46,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:46,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:46,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:01:46,526 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:01:46,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:01:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:48,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 3877 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:01:48,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:01:48,919 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 08:01:48,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:01:48,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355540582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:01:48,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:01:48,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-19 08:01:48,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980233293] [2022-11-19 08:01:48,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:01:48,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:01:48,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:01:48,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:01:48,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:01:48,922 INFO L87 Difference]: Start difference. First operand 4065 states and 6025 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:01:51,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:54,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:57,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:59,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:01:59,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:01:59,940 INFO L93 Difference]: Finished difference Result 4075 states and 6035 transitions. [2022-11-19 08:01:59,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:01:59,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65 [2022-11-19 08:01:59,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:01:59,964 INFO L225 Difference]: With dead ends: 4075 [2022-11-19 08:01:59,965 INFO L226 Difference]: Without dead ends: 4072 [2022-11-19 08:01:59,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:01:59,969 INFO L413 NwaCegarLoop]: 5417 mSDtfsCounter, 5854 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5860 SdHoareTripleChecker+Valid, 5475 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:01:59,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5860 Valid, 5475 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 554 Invalid, 3 Unknown, 0 Unchecked, 10.8s Time] [2022-11-19 08:01:59,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4072 states. [2022-11-19 08:02:00,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4072 to 4066. [2022-11-19 08:02:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4066 states, 2629 states have (on average 1.3712438189425638) internal successors, (3605), 2696 states have internal predecessors, (3605), 1218 states have call successors, (1218), 219 states have call predecessors, (1218), 218 states have return successors, (1201), 1199 states have call predecessors, (1201), 1201 states have call successors, (1201) [2022-11-19 08:02:00,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4066 states to 4066 states and 6024 transitions. [2022-11-19 08:02:00,186 INFO L78 Accepts]: Start accepts. Automaton has 4066 states and 6024 transitions. Word has length 65 [2022-11-19 08:02:00,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:02:00,188 INFO L495 AbstractCegarLoop]: Abstraction has 4066 states and 6024 transitions. [2022-11-19 08:02:00,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:02:00,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4066 states and 6024 transitions. [2022-11-19 08:02:00,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 08:02:00,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:02:00,191 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:02:00,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:02:00,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:02:00,406 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:02:00,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:02:00,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1207721507, now seen corresponding path program 1 times [2022-11-19 08:02:00,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:02:00,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355344845] [2022-11-19 08:02:00,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:02:00,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:02:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:02:01,744 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:02:01,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:02:01,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355344845] [2022-11-19 08:02:01,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355344845] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:02:01,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979930444] [2022-11-19 08:02:01,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:02:01,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:02:01,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:02:01,750 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:02:01,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:02:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:02:03,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 3879 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:02:03,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:02:03,941 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 08:02:03,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:02:03,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979930444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:02:03,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:02:03,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-19 08:02:03,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190331641] [2022-11-19 08:02:03,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:02:03,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:02:03,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:02:03,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:02:03,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:02:03,943 INFO L87 Difference]: Start difference. First operand 4066 states and 6024 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:02:06,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:10,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:12,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:13,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:02:13,621 INFO L93 Difference]: Finished difference Result 4088 states and 6040 transitions. [2022-11-19 08:02:13,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:02:13,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 66 [2022-11-19 08:02:13,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:02:13,644 INFO L225 Difference]: With dead ends: 4088 [2022-11-19 08:02:13,645 INFO L226 Difference]: Without dead ends: 4084 [2022-11-19 08:02:13,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:02:13,648 INFO L413 NwaCegarLoop]: 5416 mSDtfsCounter, 5719 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5723 SdHoareTripleChecker+Valid, 5600 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:02:13,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5723 Valid, 5600 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 573 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2022-11-19 08:02:13,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2022-11-19 08:02:13,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 4078. [2022-11-19 08:02:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 2636 states have (on average 1.3694992412746585) internal successors, (3610), 2701 states have internal predecessors, (3610), 1217 states have call successors, (1217), 225 states have call predecessors, (1217), 224 states have return successors, (1202), 1200 states have call predecessors, (1202), 1202 states have call successors, (1202) [2022-11-19 08:02:13,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 6029 transitions. [2022-11-19 08:02:13,891 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 6029 transitions. Word has length 66 [2022-11-19 08:02:13,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:02:13,891 INFO L495 AbstractCegarLoop]: Abstraction has 4078 states and 6029 transitions. [2022-11-19 08:02:13,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:02:13,892 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 6029 transitions. [2022-11-19 08:02:13,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-19 08:02:13,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:02:13,897 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:02:13,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:02:14,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:02:14,111 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:02:14,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:02:14,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1213265656, now seen corresponding path program 1 times [2022-11-19 08:02:14,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:02:14,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136593742] [2022-11-19 08:02:14,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:02:14,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:02:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:02:15,328 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:02:15,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:02:15,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136593742] [2022-11-19 08:02:15,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136593742] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:02:15,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15843458] [2022-11-19 08:02:15,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:02:15,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:02:15,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:02:15,334 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:02:15,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:02:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:02:17,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 3881 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:02:17,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:02:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 08:02:17,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:02:17,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15843458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:02:17,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:02:17,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-19 08:02:17,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999589794] [2022-11-19 08:02:17,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:02:17,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:02:17,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:02:17,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:02:17,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:02:17,568 INFO L87 Difference]: Start difference. First operand 4078 states and 6029 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:02:20,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:23,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:25,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:27,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:28,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:02:28,196 INFO L93 Difference]: Finished difference Result 4086 states and 6038 transitions. [2022-11-19 08:02:28,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:02:28,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2022-11-19 08:02:28,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:02:28,219 INFO L225 Difference]: With dead ends: 4086 [2022-11-19 08:02:28,219 INFO L226 Difference]: Without dead ends: 4083 [2022-11-19 08:02:28,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:02:28,223 INFO L413 NwaCegarLoop]: 5411 mSDtfsCounter, 5846 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5852 SdHoareTripleChecker+Valid, 5469 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:02:28,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5852 Valid, 5469 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 554 Invalid, 3 Unknown, 0 Unchecked, 10.4s Time] [2022-11-19 08:02:28,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4083 states. [2022-11-19 08:02:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4083 to 4077. [2022-11-19 08:02:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4077 states, 2636 states have (on average 1.3691198786039454) internal successors, (3609), 2700 states have internal predecessors, (3609), 1216 states have call successors, (1216), 225 states have call predecessors, (1216), 224 states have return successors, (1202), 1200 states have call predecessors, (1202), 1202 states have call successors, (1202) [2022-11-19 08:02:28,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4077 states to 4077 states and 6027 transitions. [2022-11-19 08:02:28,479 INFO L78 Accepts]: Start accepts. Automaton has 4077 states and 6027 transitions. Word has length 67 [2022-11-19 08:02:28,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:02:28,479 INFO L495 AbstractCegarLoop]: Abstraction has 4077 states and 6027 transitions. [2022-11-19 08:02:28,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:02:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 4077 states and 6027 transitions. [2022-11-19 08:02:28,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-19 08:02:28,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:02:28,481 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:02:28,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:02:28,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:02:28,698 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:02:28,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:02:28,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1045538752, now seen corresponding path program 1 times [2022-11-19 08:02:28,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:02:28,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837002594] [2022-11-19 08:02:28,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:02:28,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:02:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:02:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:02:29,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:02:29,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837002594] [2022-11-19 08:02:29,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837002594] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:02:29,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983482498] [2022-11-19 08:02:29,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:02:29,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:02:29,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:02:29,958 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:02:29,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:02:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:02:31,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 3883 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:02:31,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:02:32,084 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 08:02:32,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:02:32,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983482498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:02:32,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:02:32,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-19 08:02:32,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867249210] [2022-11-19 08:02:32,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:02:32,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:02:32,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:02:32,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:02:32,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:02:32,088 INFO L87 Difference]: Start difference. First operand 4077 states and 6027 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:02:34,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:38,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:42,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:44,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:45,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:02:45,705 INFO L93 Difference]: Finished difference Result 4083 states and 6030 transitions. [2022-11-19 08:02:45,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:02:45,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 68 [2022-11-19 08:02:45,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:02:45,739 INFO L225 Difference]: With dead ends: 4083 [2022-11-19 08:02:45,745 INFO L226 Difference]: Without dead ends: 4079 [2022-11-19 08:02:45,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:02:45,749 INFO L413 NwaCegarLoop]: 5357 mSDtfsCounter, 88 mSDsluCounter, 5250 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 10607 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:02:45,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 10607 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1050 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2022-11-19 08:02:45,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4079 states. [2022-11-19 08:02:45,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4079 to 4077. [2022-11-19 08:02:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4077 states, 2637 states have (on average 1.3682214637846037) internal successors, (3608), 2699 states have internal predecessors, (3608), 1214 states have call successors, (1214), 226 states have call predecessors, (1214), 225 states have return successors, (1202), 1200 states have call predecessors, (1202), 1202 states have call successors, (1202) [2022-11-19 08:02:45,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4077 states to 4077 states and 6024 transitions. [2022-11-19 08:02:45,987 INFO L78 Accepts]: Start accepts. Automaton has 4077 states and 6024 transitions. Word has length 68 [2022-11-19 08:02:45,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:02:45,987 INFO L495 AbstractCegarLoop]: Abstraction has 4077 states and 6024 transitions. [2022-11-19 08:02:45,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:02:45,988 INFO L276 IsEmpty]: Start isEmpty. Operand 4077 states and 6024 transitions. [2022-11-19 08:02:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-19 08:02:45,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:02:45,989 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:02:46,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 08:02:46,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:02:46,205 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:02:46,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:02:46,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1945973499, now seen corresponding path program 1 times [2022-11-19 08:02:46,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:02:46,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240313555] [2022-11-19 08:02:46,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:02:46,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:02:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:02:47,278 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:02:47,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:02:47,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240313555] [2022-11-19 08:02:47,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240313555] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:02:47,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72136989] [2022-11-19 08:02:47,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:02:47,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:02:47,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:02:47,280 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:02:47,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 08:02:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:02:49,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 3885 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:02:49,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:02:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 08:02:49,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:02:49,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72136989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:02:49,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:02:49,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-19 08:02:49,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031179189] [2022-11-19 08:02:49,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:02:49,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:02:49,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:02:49,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:02:49,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:02:49,520 INFO L87 Difference]: Start difference. First operand 4077 states and 6024 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:02:52,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:54,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:56,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:59,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:02:59,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:02:59,809 INFO L93 Difference]: Finished difference Result 4085 states and 6033 transitions. [2022-11-19 08:02:59,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:02:59,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 69 [2022-11-19 08:02:59,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:02:59,826 INFO L225 Difference]: With dead ends: 4085 [2022-11-19 08:02:59,826 INFO L226 Difference]: Without dead ends: 4082 [2022-11-19 08:02:59,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:02:59,829 INFO L413 NwaCegarLoop]: 5405 mSDtfsCounter, 5838 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5844 SdHoareTripleChecker+Valid, 5463 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:02:59,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5844 Valid, 5463 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 554 Invalid, 3 Unknown, 0 Unchecked, 10.0s Time] [2022-11-19 08:02:59,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4082 states. [2022-11-19 08:03:00,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4082 to 4076. [2022-11-19 08:03:00,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4076 states, 2637 states have (on average 1.3678422449753507) internal successors, (3607), 2698 states have internal predecessors, (3607), 1213 states have call successors, (1213), 226 states have call predecessors, (1213), 225 states have return successors, (1202), 1200 states have call predecessors, (1202), 1202 states have call successors, (1202) [2022-11-19 08:03:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4076 states to 4076 states and 6022 transitions. [2022-11-19 08:03:00,086 INFO L78 Accepts]: Start accepts. Automaton has 4076 states and 6022 transitions. Word has length 69 [2022-11-19 08:03:00,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:03:00,086 INFO L495 AbstractCegarLoop]: Abstraction has 4076 states and 6022 transitions. [2022-11-19 08:03:00,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:03:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 4076 states and 6022 transitions. [2022-11-19 08:03:00,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-19 08:03:00,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:03:00,088 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:03:00,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 08:03:00,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-19 08:03:00,302 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:03:00,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:03:00,302 INFO L85 PathProgramCache]: Analyzing trace with hash 193577635, now seen corresponding path program 1 times [2022-11-19 08:03:00,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:03:00,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921302589] [2022-11-19 08:03:00,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:03:00,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:03:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:03:01,313 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:03:01,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:03:01,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921302589] [2022-11-19 08:03:01,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921302589] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:03:01,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210408576] [2022-11-19 08:03:01,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:03:01,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:03:01,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:03:01,317 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:03:01,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 08:03:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:03:03,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:03:03,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:03:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 08:03:03,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:03:03,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210408576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:03:03,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:03:03,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-19 08:03:03,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939025298] [2022-11-19 08:03:03,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:03:03,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:03:03,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:03:03,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:03:03,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:03:03,605 INFO L87 Difference]: Start difference. First operand 4076 states and 6022 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:03:06,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:03:11,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:03:13,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:03:14,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:03:14,108 INFO L93 Difference]: Finished difference Result 4084 states and 6031 transitions. [2022-11-19 08:03:14,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:03:14,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 70 [2022-11-19 08:03:14,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:03:14,120 INFO L225 Difference]: With dead ends: 4084 [2022-11-19 08:03:14,120 INFO L226 Difference]: Without dead ends: 4081 [2022-11-19 08:03:14,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:03:14,123 INFO L413 NwaCegarLoop]: 5403 mSDtfsCounter, 5835 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5841 SdHoareTripleChecker+Valid, 5461 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:03:14,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5841 Valid, 5461 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 554 Invalid, 3 Unknown, 0 Unchecked, 10.2s Time] [2022-11-19 08:03:14,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4081 states. [2022-11-19 08:03:14,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4081 to 4075. [2022-11-19 08:03:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4075 states, 2637 states have (on average 1.3674630261660978) internal successors, (3606), 2697 states have internal predecessors, (3606), 1212 states have call successors, (1212), 226 states have call predecessors, (1212), 225 states have return successors, (1202), 1200 states have call predecessors, (1202), 1202 states have call successors, (1202) [2022-11-19 08:03:14,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4075 states to 4075 states and 6020 transitions. [2022-11-19 08:03:14,369 INFO L78 Accepts]: Start accepts. Automaton has 4075 states and 6020 transitions. Word has length 70 [2022-11-19 08:03:14,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:03:14,370 INFO L495 AbstractCegarLoop]: Abstraction has 4075 states and 6020 transitions. [2022-11-19 08:03:14,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:03:14,370 INFO L276 IsEmpty]: Start isEmpty. Operand 4075 states and 6020 transitions. [2022-11-19 08:03:14,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-19 08:03:14,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:03:14,371 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:03:14,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-19 08:03:14,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:03:14,593 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:03:14,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:03:14,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1703885566, now seen corresponding path program 1 times [2022-11-19 08:03:14,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:03:14,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278989080] [2022-11-19 08:03:14,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:03:14,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:03:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:03:15,606 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:03:15,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:03:15,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278989080] [2022-11-19 08:03:15,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278989080] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:03:15,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249507566] [2022-11-19 08:03:15,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:03:15,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:03:15,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:03:15,609 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:03:15,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-19 08:03:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:03:17,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 3889 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:03:17,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:03:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 08:03:17,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:03:17,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249507566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:03:17,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:03:17,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-19 08:03:17,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186600486] [2022-11-19 08:03:17,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:03:17,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:03:17,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:03:17,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:03:17,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:03:17,848 INFO L87 Difference]: Start difference. First operand 4075 states and 6020 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:03:20,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:03:24,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:03:26,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:03:27,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:03:27,531 INFO L93 Difference]: Finished difference Result 4083 states and 6029 transitions. [2022-11-19 08:03:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:03:27,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 71 [2022-11-19 08:03:27,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:03:27,542 INFO L225 Difference]: With dead ends: 4083 [2022-11-19 08:03:27,542 INFO L226 Difference]: Without dead ends: 4080 [2022-11-19 08:03:27,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:03:27,544 INFO L413 NwaCegarLoop]: 5401 mSDtfsCounter, 5832 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5838 SdHoareTripleChecker+Valid, 5459 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:03:27,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5838 Valid, 5459 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 554 Invalid, 3 Unknown, 0 Unchecked, 9.3s Time] [2022-11-19 08:03:27,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4080 states. [2022-11-19 08:03:27,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4080 to 4074. [2022-11-19 08:03:27,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4074 states, 2637 states have (on average 1.367083807356845) internal successors, (3605), 2696 states have internal predecessors, (3605), 1211 states have call successors, (1211), 226 states have call predecessors, (1211), 225 states have return successors, (1202), 1200 states have call predecessors, (1202), 1202 states have call successors, (1202) [2022-11-19 08:03:27,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4074 states to 4074 states and 6018 transitions. [2022-11-19 08:03:27,826 INFO L78 Accepts]: Start accepts. Automaton has 4074 states and 6018 transitions. Word has length 71 [2022-11-19 08:03:27,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:03:27,826 INFO L495 AbstractCegarLoop]: Abstraction has 4074 states and 6018 transitions. [2022-11-19 08:03:27,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:03:27,827 INFO L276 IsEmpty]: Start isEmpty. Operand 4074 states and 6018 transitions. [2022-11-19 08:03:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-19 08:03:27,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:03:27,828 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:03:27,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-19 08:03:28,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:03:28,042 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:03:28,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:03:28,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1278796038, now seen corresponding path program 1 times [2022-11-19 08:03:28,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:03:28,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260416697] [2022-11-19 08:03:28,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:03:28,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:03:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:03:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:03:29,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:03:29,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260416697] [2022-11-19 08:03:29,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260416697] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:03:29,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275939585] [2022-11-19 08:03:29,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:03:29,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:03:29,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:03:29,012 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:03:29,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-19 08:03:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:03:30,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 3891 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:03:30,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:03:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 08:03:31,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:03:31,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275939585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:03:31,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:03:31,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-19 08:03:31,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854927923] [2022-11-19 08:03:31,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:03:31,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:03:31,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:03:31,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:03:31,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:03:31,171 INFO L87 Difference]: Start difference. First operand 4074 states and 6018 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:03:33,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:03:37,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:03:39,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:03:41,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:03:42,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:03:42,385 INFO L93 Difference]: Finished difference Result 4597 states and 6681 transitions. [2022-11-19 08:03:42,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:03:42,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 72 [2022-11-19 08:03:42,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:03:42,404 INFO L225 Difference]: With dead ends: 4597 [2022-11-19 08:03:42,404 INFO L226 Difference]: Without dead ends: 4593 [2022-11-19 08:03:42,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:03:42,408 INFO L413 NwaCegarLoop]: 5545 mSDtfsCounter, 5772 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5776 SdHoareTripleChecker+Valid, 6211 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:03:42,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5776 Valid, 6211 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 648 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2022-11-19 08:03:42,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4593 states. [2022-11-19 08:03:42,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4593 to 4585. [2022-11-19 08:03:42,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4585 states, 2936 states have (on average 1.3491144414168936) internal successors, (3961), 2998 states have internal predecessors, (3961), 1357 states have call successors, (1357), 292 states have call predecessors, (1357), 291 states have return successors, (1350), 1348 states have call predecessors, (1350), 1350 states have call successors, (1350) [2022-11-19 08:03:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4585 states to 4585 states and 6668 transitions. [2022-11-19 08:03:42,751 INFO L78 Accepts]: Start accepts. Automaton has 4585 states and 6668 transitions. Word has length 72 [2022-11-19 08:03:42,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:03:42,751 INFO L495 AbstractCegarLoop]: Abstraction has 4585 states and 6668 transitions. [2022-11-19 08:03:42,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:03:42,752 INFO L276 IsEmpty]: Start isEmpty. Operand 4585 states and 6668 transitions. [2022-11-19 08:03:42,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-19 08:03:42,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:03:42,753 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:03:42,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-19 08:03:42,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:03:42,966 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:03:42,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:03:42,966 INFO L85 PathProgramCache]: Analyzing trace with hash 985927425, now seen corresponding path program 1 times [2022-11-19 08:03:42,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:03:42,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837568928] [2022-11-19 08:03:42,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:03:42,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:03:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:03:43,851 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:03:43,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:03:43,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837568928] [2022-11-19 08:03:43,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837568928] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:03:43,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68069921] [2022-11-19 08:03:43,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:03:43,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:03:43,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:03:43,853 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:03:43,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-19 08:03:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:03:45,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 3893 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:03:45,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:03:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 08:03:46,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:03:46,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68069921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:03:46,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:03:46,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-19 08:03:46,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393926070] [2022-11-19 08:03:46,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:03:46,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:03:46,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:03:46,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:03:46,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:03:46,046 INFO L87 Difference]: Start difference. First operand 4585 states and 6668 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:03:48,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:03:52,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:03:54,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:03:55,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:03:55,045 INFO L93 Difference]: Finished difference Result 4589 states and 6672 transitions. [2022-11-19 08:03:55,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:03:55,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 73 [2022-11-19 08:03:55,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:03:55,063 INFO L225 Difference]: With dead ends: 4589 [2022-11-19 08:03:55,064 INFO L226 Difference]: Without dead ends: 4586 [2022-11-19 08:03:55,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:03:55,068 INFO L413 NwaCegarLoop]: 5345 mSDtfsCounter, 5825 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5829 SdHoareTripleChecker+Valid, 5348 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:03:55,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5829 Valid, 5348 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 536 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-11-19 08:03:55,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4586 states. [2022-11-19 08:03:55,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4586 to 4584. [2022-11-19 08:03:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4584 states, 2936 states have (on average 1.348773841961853) internal successors, (3960), 2997 states have internal predecessors, (3960), 1356 states have call successors, (1356), 292 states have call predecessors, (1356), 291 states have return successors, (1350), 1348 states have call predecessors, (1350), 1350 states have call successors, (1350) [2022-11-19 08:03:55,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4584 states to 4584 states and 6666 transitions. [2022-11-19 08:03:55,430 INFO L78 Accepts]: Start accepts. Automaton has 4584 states and 6666 transitions. Word has length 73 [2022-11-19 08:03:55,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:03:55,430 INFO L495 AbstractCegarLoop]: Abstraction has 4584 states and 6666 transitions. [2022-11-19 08:03:55,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:03:55,431 INFO L276 IsEmpty]: Start isEmpty. Operand 4584 states and 6666 transitions. [2022-11-19 08:03:55,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-19 08:03:55,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:03:55,432 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:03:55,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-19 08:03:55,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-19 08:03:55,652 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:03:55,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:03:55,652 INFO L85 PathProgramCache]: Analyzing trace with hash 496939881, now seen corresponding path program 1 times [2022-11-19 08:03:55,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:03:55,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882525257] [2022-11-19 08:03:55,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:03:55,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:03:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:03:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:03:56,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:03:56,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882525257] [2022-11-19 08:03:56,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882525257] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:03:56,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939078341] [2022-11-19 08:03:56,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:03:56,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:03:56,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:03:56,566 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:03:56,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-19 08:03:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:03:58,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 3895 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:03:58,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:03:58,859 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 08:03:58,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:03:58,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939078341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:03:58,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:03:58,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-19 08:03:58,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372699568] [2022-11-19 08:03:58,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:03:58,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:03:58,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:03:58,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:03:58,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:03:58,862 INFO L87 Difference]: Start difference. First operand 4584 states and 6666 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:04:01,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:04,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:06,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:09,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:11,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:11,942 INFO L93 Difference]: Finished difference Result 7620 states and 10886 transitions. [2022-11-19 08:04:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:04:11,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 74 [2022-11-19 08:04:11,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:11,970 INFO L225 Difference]: With dead ends: 7620 [2022-11-19 08:04:11,971 INFO L226 Difference]: Without dead ends: 7617 [2022-11-19 08:04:11,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:04:11,977 INFO L413 NwaCegarLoop]: 6552 mSDtfsCounter, 5592 mSDsluCounter, 3417 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5598 SdHoareTripleChecker+Valid, 9969 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:11,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5598 Valid, 9969 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 943 Invalid, 4 Unknown, 0 Unchecked, 12.5s Time] [2022-11-19 08:04:11,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7617 states. [2022-11-19 08:04:12,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7617 to 7606. [2022-11-19 08:04:12,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7606 states, 4787 states have (on average 1.3231669103822854) internal successors, (6334), 4896 states have internal predecessors, (6334), 2271 states have call successors, (2271), 548 states have call predecessors, (2271), 547 states have return successors, (2267), 2262 states have call predecessors, (2267), 2266 states have call successors, (2267) [2022-11-19 08:04:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7606 states to 7606 states and 10872 transitions. [2022-11-19 08:04:12,666 INFO L78 Accepts]: Start accepts. Automaton has 7606 states and 10872 transitions. Word has length 74 [2022-11-19 08:04:12,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:12,666 INFO L495 AbstractCegarLoop]: Abstraction has 7606 states and 10872 transitions. [2022-11-19 08:04:12,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:04:12,667 INFO L276 IsEmpty]: Start isEmpty. Operand 7606 states and 10872 transitions. [2022-11-19 08:04:12,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-19 08:04:12,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:12,668 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:12,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-19 08:04:12,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-19 08:04:12,882 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:04:12,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:12,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1776767228, now seen corresponding path program 1 times [2022-11-19 08:04:12,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:12,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593464728] [2022-11-19 08:04:12,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:12,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:04:13,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:13,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593464728] [2022-11-19 08:04:13,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593464728] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:04:13,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176459107] [2022-11-19 08:04:13,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:13,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:04:13,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:04:13,904 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:04:13,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-19 08:04:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:15,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 3897 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:04:15,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:04:16,195 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 08:04:16,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:04:16,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176459107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:16,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:04:16,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-19 08:04:16,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71076918] [2022-11-19 08:04:16,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:16,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:04:16,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:16,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:04:16,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:04:16,197 INFO L87 Difference]: Start difference. First operand 7606 states and 10872 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:04:18,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:20,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:23,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:25,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:26,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:26,952 INFO L93 Difference]: Finished difference Result 7614 states and 10880 transitions. [2022-11-19 08:04:26,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:04:26,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 75 [2022-11-19 08:04:26,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:26,979 INFO L225 Difference]: With dead ends: 7614 [2022-11-19 08:04:26,979 INFO L226 Difference]: Without dead ends: 7611 [2022-11-19 08:04:26,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:04:26,983 INFO L413 NwaCegarLoop]: 5390 mSDtfsCounter, 5818 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5824 SdHoareTripleChecker+Valid, 5448 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:26,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5824 Valid, 5448 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 554 Invalid, 3 Unknown, 0 Unchecked, 10.1s Time] [2022-11-19 08:04:26,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7611 states. [2022-11-19 08:04:27,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7611 to 7609. [2022-11-19 08:04:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7609 states, 4790 states have (on average 1.3227557411273487) internal successors, (6336), 4897 states have internal predecessors, (6336), 2270 states have call successors, (2270), 548 states have call predecessors, (2270), 548 states have return successors, (2268), 2264 states have call predecessors, (2268), 2266 states have call successors, (2268) [2022-11-19 08:04:27,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7609 states to 7609 states and 10874 transitions. [2022-11-19 08:04:27,667 INFO L78 Accepts]: Start accepts. Automaton has 7609 states and 10874 transitions. Word has length 75 [2022-11-19 08:04:27,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:27,668 INFO L495 AbstractCegarLoop]: Abstraction has 7609 states and 10874 transitions. [2022-11-19 08:04:27,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:04:27,668 INFO L276 IsEmpty]: Start isEmpty. Operand 7609 states and 10874 transitions. [2022-11-19 08:04:27,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-19 08:04:27,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:27,670 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:27,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-19 08:04:27,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:04:27,887 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:04:27,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:27,887 INFO L85 PathProgramCache]: Analyzing trace with hash 752761292, now seen corresponding path program 1 times [2022-11-19 08:04:27,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:27,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855904149] [2022-11-19 08:04:27,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:27,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:04:28,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:28,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855904149] [2022-11-19 08:04:28,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855904149] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:04:28,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300469186] [2022-11-19 08:04:28,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:28,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:04:28,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:04:28,968 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:04:28,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-19 08:04:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:30,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 3899 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:04:30,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:04:31,318 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-19 08:04:31,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:04:31,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300469186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:31,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:04:31,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-11-19 08:04:31,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218238686] [2022-11-19 08:04:31,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:31,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:04:31,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:31,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:04:31,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:04:31,320 INFO L87 Difference]: Start difference. First operand 7609 states and 10874 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:04:33,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:35,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:38,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:40,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:41,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:41,962 INFO L93 Difference]: Finished difference Result 7613 states and 10878 transitions. [2022-11-19 08:04:41,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:04:41,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 76 [2022-11-19 08:04:41,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:41,982 INFO L225 Difference]: With dead ends: 7613 [2022-11-19 08:04:41,982 INFO L226 Difference]: Without dead ends: 7592 [2022-11-19 08:04:41,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:04:41,987 INFO L413 NwaCegarLoop]: 5389 mSDtfsCounter, 5815 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5821 SdHoareTripleChecker+Valid, 5447 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:41,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5821 Valid, 5447 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 553 Invalid, 3 Unknown, 0 Unchecked, 10.1s Time] [2022-11-19 08:04:41,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7592 states. [2022-11-19 08:04:42,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7592 to 7590. [2022-11-19 08:04:42,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7590 states, 4774 states have (on average 1.3232090490155006) internal successors, (6317), 4880 states have internal predecessors, (6317), 2268 states have call successors, (2268), 547 states have call predecessors, (2268), 547 states have return successors, (2267), 2263 states have call predecessors, (2267), 2265 states have call successors, (2267) [2022-11-19 08:04:42,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7590 states to 7590 states and 10852 transitions. [2022-11-19 08:04:42,734 INFO L78 Accepts]: Start accepts. Automaton has 7590 states and 10852 transitions. Word has length 76 [2022-11-19 08:04:42,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:42,734 INFO L495 AbstractCegarLoop]: Abstraction has 7590 states and 10852 transitions. [2022-11-19 08:04:42,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-19 08:04:42,735 INFO L276 IsEmpty]: Start isEmpty. Operand 7590 states and 10852 transitions. [2022-11-19 08:04:42,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-19 08:04:42,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:42,736 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2022-11-19 08:04:42,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-19 08:04:42,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-19 08:04:42,953 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:04:42,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:42,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1434000023, now seen corresponding path program 1 times [2022-11-19 08:04:42,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:42,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840793142] [2022-11-19 08:04:42,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:42,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-19 08:04:43,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:43,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840793142] [2022-11-19 08:04:43,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840793142] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:04:43,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35966705] [2022-11-19 08:04:43,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:43,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:04:43,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:04:43,875 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:04:43,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-19 08:04:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:45,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 4009 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:04:45,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:04:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-19 08:04:45,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:04:45,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35966705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:45,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:04:45,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-11-19 08:04:45,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195366618] [2022-11-19 08:04:45,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:45,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:04:45,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:04:45,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:04:45,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:04:45,911 INFO L87 Difference]: Start difference. First operand 7590 states and 10852 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 08:04:48,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:51,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:53,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:56,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:04:57,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:57,307 INFO L93 Difference]: Finished difference Result 7594 states and 10856 transitions. [2022-11-19 08:04:57,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:04:57,308 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), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2022-11-19 08:04:57,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:57,326 INFO L225 Difference]: With dead ends: 7594 [2022-11-19 08:04:57,326 INFO L226 Difference]: Without dead ends: 7591 [2022-11-19 08:04:57,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:04:57,331 INFO L413 NwaCegarLoop]: 5372 mSDtfsCounter, 5744 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5750 SdHoareTripleChecker+Valid, 5505 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:57,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5750 Valid, 5505 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 581 Invalid, 3 Unknown, 0 Unchecked, 10.7s Time] [2022-11-19 08:04:57,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7591 states. [2022-11-19 08:04:58,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7591 to 7589. [2022-11-19 08:04:58,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7589 states, 4774 states have (on average 1.322999581064097) internal successors, (6316), 4879 states have internal predecessors, (6316), 2267 states have call successors, (2267), 547 states have call predecessors, (2267), 547 states have return successors, (2267), 2263 states have call predecessors, (2267), 2265 states have call successors, (2267) [2022-11-19 08:04:58,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7589 states to 7589 states and 10850 transitions. [2022-11-19 08:04:58,039 INFO L78 Accepts]: Start accepts. Automaton has 7589 states and 10850 transitions. Word has length 89 [2022-11-19 08:04:58,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:58,040 INFO L495 AbstractCegarLoop]: Abstraction has 7589 states and 10850 transitions. [2022-11-19 08:04:58,040 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), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 08:04:58,040 INFO L276 IsEmpty]: Start isEmpty. Operand 7589 states and 10850 transitions. [2022-11-19 08:04:58,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-19 08:04:58,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:58,043 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:58,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-19 08:04:58,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-19 08:04:58,257 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:04:58,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:58,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1863708929, now seen corresponding path program 1 times [2022-11-19 08:04:58,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:04:58,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286879366] [2022-11-19 08:04:58,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:58,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:04:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-19 08:04:59,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:04:59,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286879366] [2022-11-19 08:04:59,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286879366] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:04:59,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24336735] [2022-11-19 08:04:59,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:59,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:04:59,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:04:59,468 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:04:59,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-19 08:05:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:01,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 4530 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:05:01,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:05:01,615 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-19 08:05:01,615 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:05:01,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24336735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:05:01,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:05:01,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-11-19 08:05:01,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027110510] [2022-11-19 08:05:01,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:05:01,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:05:01,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:05:01,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:05:01,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:05:01,617 INFO L87 Difference]: Start difference. First operand 7589 states and 10850 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 08:05:04,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:07,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:11,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:14,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:16,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:05:16,295 INFO L93 Difference]: Finished difference Result 7591 states and 10851 transitions. [2022-11-19 08:05:16,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:05:16,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 149 [2022-11-19 08:05:16,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:05:16,323 INFO L225 Difference]: With dead ends: 7591 [2022-11-19 08:05:16,323 INFO L226 Difference]: Without dead ends: 7588 [2022-11-19 08:05:16,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:05:16,327 INFO L413 NwaCegarLoop]: 5319 mSDtfsCounter, 122 mSDsluCounter, 5194 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 10513 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:05:16,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 10513 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1058 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2022-11-19 08:05:16,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7588 states. [2022-11-19 08:05:17,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7588 to 7588. [2022-11-19 08:05:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7588 states, 4774 states have (on average 1.3221617092584834) internal successors, (6312), 4878 states have internal predecessors, (6312), 2266 states have call successors, (2266), 547 states have call predecessors, (2266), 547 states have return successors, (2267), 2263 states have call predecessors, (2267), 2265 states have call successors, (2267) [2022-11-19 08:05:17,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7588 states to 7588 states and 10845 transitions. [2022-11-19 08:05:17,225 INFO L78 Accepts]: Start accepts. Automaton has 7588 states and 10845 transitions. Word has length 149 [2022-11-19 08:05:17,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:05:17,226 INFO L495 AbstractCegarLoop]: Abstraction has 7588 states and 10845 transitions. [2022-11-19 08:05:17,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 08:05:17,226 INFO L276 IsEmpty]: Start isEmpty. Operand 7588 states and 10845 transitions. [2022-11-19 08:05:17,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-11-19 08:05:17,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:05:17,250 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:05:17,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-19 08:05:17,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-19 08:05:17,462 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:05:17,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:05:17,463 INFO L85 PathProgramCache]: Analyzing trace with hash 254208439, now seen corresponding path program 1 times [2022-11-19 08:05:17,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:05:17,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819085735] [2022-11-19 08:05:17,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:17,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:05:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:17,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:05:17,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819085735] [2022-11-19 08:05:17,737 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 08:05:17,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444294180] [2022-11-19 08:05:17,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:17,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:05:17,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:05:17,752 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:05:17,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-19 08:05:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:20,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 6533 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:05:20,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:05:20,269 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-11-19 08:05:20,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:05:20,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444294180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:05:20,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:05:20,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:05:20,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180064337] [2022-11-19 08:05:20,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:05:20,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:05:20,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:05:20,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:05:20,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:05:20,272 INFO L87 Difference]: Start difference. First operand 7588 states and 10845 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2022-11-19 08:05:23,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:26,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:27,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:30,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:33,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:35,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:05:35,073 INFO L93 Difference]: Finished difference Result 15168 states and 21689 transitions. [2022-11-19 08:05:35,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:05:35,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 471 [2022-11-19 08:05:35,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:05:35,105 INFO L225 Difference]: With dead ends: 15168 [2022-11-19 08:05:35,105 INFO L226 Difference]: Without dead ends: 7594 [2022-11-19 08:05:35,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 469 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:05:35,136 INFO L413 NwaCegarLoop]: 5318 mSDtfsCounter, 1 mSDsluCounter, 5315 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10633 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:05:35,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10633 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1065 Invalid, 4 Unknown, 0 Unchecked, 14.0s Time] [2022-11-19 08:05:35,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7594 states. [2022-11-19 08:05:35,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7594 to 7590. [2022-11-19 08:05:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7590 states, 4776 states have (on average 1.3220268006700167) internal successors, (6314), 4880 states have internal predecessors, (6314), 2266 states have call successors, (2266), 547 states have call predecessors, (2266), 547 states have return successors, (2267), 2263 states have call predecessors, (2267), 2265 states have call successors, (2267) [2022-11-19 08:05:35,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7590 states to 7590 states and 10847 transitions. [2022-11-19 08:05:35,820 INFO L78 Accepts]: Start accepts. Automaton has 7590 states and 10847 transitions. Word has length 471 [2022-11-19 08:05:35,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:05:35,821 INFO L495 AbstractCegarLoop]: Abstraction has 7590 states and 10847 transitions. [2022-11-19 08:05:35,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 2 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2022-11-19 08:05:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 7590 states and 10847 transitions. [2022-11-19 08:05:35,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2022-11-19 08:05:35,849 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:05:35,849 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:05:35,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-19 08:05:36,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-19 08:05:36,066 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:05:36,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:05:36,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1743045372, now seen corresponding path program 1 times [2022-11-19 08:05:36,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:05:36,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421157986] [2022-11-19 08:05:36,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:36,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:05:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:36,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:05:36,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421157986] [2022-11-19 08:05:36,428 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 08:05:36,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718286451] [2022-11-19 08:05:36,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:36,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:05:36,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:05:36,430 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:05:36,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-19 08:05:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:39,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 7282 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:05:39,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:05:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2022-11-19 08:05:39,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:05:39,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718286451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:05:39,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:05:39,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:05:39,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66120499] [2022-11-19 08:05:39,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:05:39,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:05:39,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:05:39,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:05:39,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:05:39,324 INFO L87 Difference]: Start difference. First operand 7590 states and 10847 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-19 08:05:42,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:45,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:47,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:49,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:51,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:54,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:55,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:05:55,726 INFO L93 Difference]: Finished difference Result 15176 states and 21703 transitions. [2022-11-19 08:05:55,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:05:55,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 558 [2022-11-19 08:05:55,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:05:55,750 INFO L225 Difference]: With dead ends: 15176 [2022-11-19 08:05:55,750 INFO L226 Difference]: Without dead ends: 7600 [2022-11-19 08:05:55,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 556 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:05:55,772 INFO L413 NwaCegarLoop]: 5317 mSDtfsCounter, 4 mSDsluCounter, 5313 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 10630 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:05:55,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 10630 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1068 Invalid, 4 Unknown, 0 Unchecked, 15.7s Time] [2022-11-19 08:05:55,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7600 states. [2022-11-19 08:05:56,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7600 to 7592. [2022-11-19 08:05:56,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7592 states, 4778 states have (on average 1.3218920050230223) internal successors, (6316), 4882 states have internal predecessors, (6316), 2266 states have call successors, (2266), 547 states have call predecessors, (2266), 547 states have return successors, (2267), 2263 states have call predecessors, (2267), 2265 states have call successors, (2267) [2022-11-19 08:05:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7592 states to 7592 states and 10849 transitions. [2022-11-19 08:05:56,567 INFO L78 Accepts]: Start accepts. Automaton has 7592 states and 10849 transitions. Word has length 558 [2022-11-19 08:05:56,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:05:56,568 INFO L495 AbstractCegarLoop]: Abstraction has 7592 states and 10849 transitions. [2022-11-19 08:05:56,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-19 08:05:56,569 INFO L276 IsEmpty]: Start isEmpty. Operand 7592 states and 10849 transitions. [2022-11-19 08:05:56,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-11-19 08:05:56,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:05:56,588 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:05:56,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-19 08:05:56,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:05:56,802 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:05:56,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:05:56,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1718225510, now seen corresponding path program 1 times [2022-11-19 08:05:56,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:05:56,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632159796] [2022-11-19 08:05:56,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:56,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:05:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:57,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:05:57,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632159796] [2022-11-19 08:05:57,085 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 08:05:57,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494359762] [2022-11-19 08:05:57,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:57,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:05:57,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:05:57,087 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:05:57,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-19 08:05:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:59,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 6590 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 08:05:59,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:05:59,762 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2022-11-19 08:05:59,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:05:59,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494359762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:05:59,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:05:59,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:05:59,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122341789] [2022-11-19 08:05:59,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:05:59,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:05:59,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:05:59,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:05:59,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:05:59,766 INFO L87 Difference]: Start difference. First operand 7592 states and 10849 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2022-11-19 08:06:02,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:08,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:11,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:06:12,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:06:12,690 INFO L93 Difference]: Finished difference Result 15176 states and 21697 transitions. [2022-11-19 08:06:12,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:06:12,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) Word has length 485 [2022-11-19 08:06:12,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:06:12,716 INFO L225 Difference]: With dead ends: 15176 [2022-11-19 08:06:12,716 INFO L226 Difference]: Without dead ends: 7598 [2022-11-19 08:06:12,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:06:12,743 INFO L413 NwaCegarLoop]: 5318 mSDtfsCounter, 1 mSDsluCounter, 5313 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10631 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:06:12,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10631 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1069 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2022-11-19 08:06:12,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7598 states. [2022-11-19 08:06:13,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7598 to 7594. [2022-11-19 08:06:13,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7594 states, 4780 states have (on average 1.3217573221757322) internal successors, (6318), 4884 states have internal predecessors, (6318), 2266 states have call successors, (2266), 547 states have call predecessors, (2266), 547 states have return successors, (2267), 2263 states have call predecessors, (2267), 2265 states have call successors, (2267) [2022-11-19 08:06:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7594 states to 7594 states and 10851 transitions. [2022-11-19 08:06:13,390 INFO L78 Accepts]: Start accepts. Automaton has 7594 states and 10851 transitions. Word has length 485 [2022-11-19 08:06:13,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:06:13,391 INFO L495 AbstractCegarLoop]: Abstraction has 7594 states and 10851 transitions. [2022-11-19 08:06:13,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2022-11-19 08:06:13,391 INFO L276 IsEmpty]: Start isEmpty. Operand 7594 states and 10851 transitions. [2022-11-19 08:06:13,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2022-11-19 08:06:13,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:06:13,410 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:06:13,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-19 08:06:13,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:06:13,630 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:06:13,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:06:13,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1962649272, now seen corresponding path program 1 times [2022-11-19 08:06:13,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:06:13,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827618580] [2022-11-19 08:06:13,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:06:13,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:06:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:06:13,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:06:13,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827618580] [2022-11-19 08:06:13,897 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-19 08:06:13,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300848475] [2022-11-19 08:06:13,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:06:13,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:06:13,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:06:13,902 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:06:13,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bf7d591-40de-4c04-b023-695ce0ecccb5/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-19 08:06:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:06:16,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 7289 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 08:06:16,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:06:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2022-11-19 08:06:16,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:06:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2022-11-19 08:06:17,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300848475] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:06:17,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [997144954] [2022-11-19 08:06:17,754 INFO L159 IcfgInterpreter]: Started Sifa with 317 locations of interest [2022-11-19 08:06:17,754 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:06:17,759 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:06:17,765 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:06:17,765 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:06:28,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 08:06:29,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 08:06:30,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:30,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:06:31,483 INFO L217 Elim1Store]: Index analysis took 777 ms [2022-11-19 08:06:32,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 107 select indices, 107 select index equivalence classes, 5886 disjoint index pairs (out of 5671 index pairs), introduced 107 new quantified variables, introduced 0 case distinctions, treesize of input 4048 treesize of output 3540 [2022-11-19 08:07:54,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:07:54,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:07:54,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2022-11-19 08:08:04,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 650 treesize of output 502 [2022-11-19 08:08:04,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:04,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:04,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:04,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:04,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2022-11-19 08:08:04,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:04,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:04,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:04,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:05,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:05,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-19 08:08:05,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,518 INFO L217 Elim1Store]: Index analysis took 109 ms [2022-11-19 08:08:05,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-19 08:08:05,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:05,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-19 08:08:05,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 43 [2022-11-19 08:08:06,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:06,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:06,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:06,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:07,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 112 select indices, 112 select index equivalence classes, 6216 disjoint index pairs (out of 6216 index pairs), introduced 112 new quantified variables, introduced 0 case distinctions, treesize of input 4306 treesize of output 3200 [2022-11-19 08:08:08,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 34 [2022-11-19 08:08:08,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:08,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:09,232 INFO L217 Elim1Store]: Index analysis took 326 ms [2022-11-19 08:08:09,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 77 select indices, 77 select index equivalence classes, 2926 disjoint index pairs (out of 2926 index pairs), introduced 77 new quantified variables, introduced 0 case distinctions, treesize of input 538 treesize of output 232 [2022-11-19 08:08:09,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 31 [2022-11-19 08:08:09,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2022-11-19 08:08:10,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-19 08:08:10,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 31 [2022-11-19 08:08:10,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 31 [2022-11-19 08:08:10,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 22 [2022-11-19 08:08:10,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-19 08:08:10,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:10,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-11-19 08:08:11,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 31 [2022-11-19 08:08:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:11,772 INFO L217 Elim1Store]: Index analysis took 221 ms [2022-11-19 08:08:11,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 63 select indices, 63 select index equivalence classes, 1953 disjoint index pairs (out of 1953 index pairs), introduced 63 new quantified variables, introduced 0 case distinctions, treesize of input 440 treesize of output 190 [2022-11-19 08:08:13,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 658 treesize of output 510 [2022-11-19 08:08:13,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:13,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:13,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:13,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:13,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:13,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:13,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:13,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:13,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:13,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:13,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:13,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:13,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:13,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-19 08:08:13,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 49 [2022-11-19 08:08:13,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:13,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-19 08:08:14,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,138 INFO L217 Elim1Store]: Index analysis took 103 ms [2022-11-19 08:08:14,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-19 08:08:14,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2022-11-19 08:08:14,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:14,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:33,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 650 treesize of output 502 [2022-11-19 08:08:33,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 43 [2022-11-19 08:08:33,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:33,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-19 08:08:34,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:34,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-19 08:08:34,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-19 08:08:34,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2022-11-19 08:08:34,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:34,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:34,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:35,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 658 treesize of output 510 [2022-11-19 08:08:35,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-19 08:08:35,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:35,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:35,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:35,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-19 08:08:36,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:36,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:36,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:36,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:36,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:36,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:36,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:36,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2022-11-19 08:08:36,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 18 [2022-11-19 08:08:36,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 49 [2022-11-19 08:08:36,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:36,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-11-19 08:08:38,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 112 select indices, 112 select index equivalence classes, 6216 disjoint index pairs (out of 6216 index pairs), introduced 112 new quantified variables, introduced 0 case distinctions, treesize of input 4306 treesize of output 3200 [2022-11-19 08:08:38,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:38,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:38,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:38,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:38,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:38,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:38,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:38,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:38,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:38,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:38,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 34 [2022-11-19 08:08:38,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 31 [2022-11-19 08:08:38,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 31 [2022-11-19 08:08:39,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 22 [2022-11-19 08:08:39,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 31 [2022-11-19 08:08:39,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-19 08:08:39,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:39,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-19 08:08:39,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2022-11-19 08:08:40,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 31 [2022-11-19 08:08:40,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:40,813 INFO L217 Elim1Store]: Index analysis took 239 ms [2022-11-19 08:08:40,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 77 select indices, 77 select index equivalence classes, 2926 disjoint index pairs (out of 2926 index pairs), introduced 77 new quantified variables, introduced 0 case distinctions, treesize of input 538 treesize of output 232 [2022-11-19 08:08:41,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2022-11-19 08:08:41,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:08:41,527 INFO L217 Elim1Store]: Index analysis took 207 ms [2022-11-19 08:08:41,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 63 select indices, 63 select index equivalence classes, 1953 disjoint index pairs (out of 1953 index pairs), introduced 63 new quantified variables, introduced 0 case distinctions, treesize of input 440 treesize of output 190 [2022-11-19 08:08:54,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 08:09:02,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 08:09:12,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:09:20,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:09:33,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:09:41,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:09:52,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:10:00,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:10:13,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:10:21,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:10:33,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:10:41,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:10:53,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:11:00,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-19 08:11:07,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:11:07,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-19 08:11:07,158 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 08:11:07,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 11 [2022-11-19 08:11:07,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:07,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:07,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:07,297 INFO L321 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-11-19 08:11:07,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 306 treesize of output 130 [2022-11-19 08:11:07,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:07,512 INFO L321 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2022-11-19 08:11:07,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 97 [2022-11-19 08:11:07,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:11:07,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 43 [2022-11-19 08:11:07,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:07,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:07,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 121 [2022-11-19 08:11:07,750 INFO L321 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2022-11-19 08:11:07,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 11 [2022-11-19 08:11:11,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:11,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:11,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:11:13,935 INFO L217 Elim1Store]: Index analysis took 5845 ms