./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9 --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 e8e67529e4f1862dffb4b20b34b9723f96164119a4ebff5a58d56eaf6134a8d1 --- 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-6b4ec56 [2022-11-20 19:46:27,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:46:27,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:46:27,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:46:27,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:46:27,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:46:27,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:46:27,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:46:27,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:46:27,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:46:27,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:46:27,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:46:27,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:46:27,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:46:27,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:46:27,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:46:27,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:46:27,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:46:27,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:46:27,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:46:27,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:46:27,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:46:27,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:46:27,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:46:27,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:46:27,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:46:27,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:46:27,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:46:27,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:46:27,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:46:27,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:46:27,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:46:27,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:46:27,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:46:27,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:46:27,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:46:27,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:46:27,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:46:27,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:46:27,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:46:27,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:46:27,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 19:46:27,309 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:46:27,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:46:27,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:46:27,310 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:46:27,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:46:27,311 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:46:27,311 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:46:27,311 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:46:27,312 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:46:27,312 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:46:27,313 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:46:27,313 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:46:27,313 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:46:27,313 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:46:27,314 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:46:27,314 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:46:27,314 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:46:27,314 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:46:27,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:46:27,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:46:27,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:46:27,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:46:27,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:46:27,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:46:27,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:46:27,316 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:46:27,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:46:27,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:46:27,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:46:27,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:46:27,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:46:27,318 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:46:27,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:46:27,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:46:27,318 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:46:27,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:46:27,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:46:27,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:46:27,319 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_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8e67529e4f1862dffb4b20b34b9723f96164119a4ebff5a58d56eaf6134a8d1 [2022-11-20 19:46:27,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:46:27,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:46:27,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:46:27,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:46:27,694 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:46:27,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-20 19:46:30,589 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:46:31,220 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:46:31,220 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-20 19:46:31,267 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/data/257912805/26198fc3a54f46278463a3ba3b334499/FLAGbabe077e5 [2022-11-20 19:46:31,288 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/data/257912805/26198fc3a54f46278463a3ba3b334499 [2022-11-20 19:46:31,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:46:31,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:46:31,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:46:31,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:46:31,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:46:31,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:31" (1/1) ... [2022-11-20 19:46:31,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40356de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:31, skipping insertion in model container [2022-11-20 19:46:31,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:46:31" (1/1) ... [2022-11-20 19:46:31,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:46:31,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:46:33,690 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2022-11-20 19:46:33,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:46:33,813 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:46:34,263 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[283284,283297] [2022-11-20 19:46:34,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:46:34,413 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:46:34,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:34 WrapperNode [2022-11-20 19:46:34,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:46:34,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:46:34,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:46:34,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:46:34,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:34" (1/1) ... [2022-11-20 19:46:34,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:34" (1/1) ... [2022-11-20 19:46:34,698 INFO L138 Inliner]: procedures = 215, calls = 1656, calls flagged for inlining = 108, calls inlined = 105, statements flattened = 3094 [2022-11-20 19:46:34,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:46:34,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:46:34,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:46:34,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:46:34,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:34" (1/1) ... [2022-11-20 19:46:34,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:34" (1/1) ... [2022-11-20 19:46:34,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:34" (1/1) ... [2022-11-20 19:46:34,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:34" (1/1) ... [2022-11-20 19:46:34,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:34" (1/1) ... [2022-11-20 19:46:34,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:34" (1/1) ... [2022-11-20 19:46:34,959 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:34" (1/1) ... [2022-11-20 19:46:34,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:34" (1/1) ... [2022-11-20 19:46:35,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:46:35,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:46:35,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:46:35,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:46:35,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:34" (1/1) ... [2022-11-20 19:46:35,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:46:35,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:46:35,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:46:35,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:46:35,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 19:46:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 19:46:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 19:46:35,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 19:46:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 19:46:35,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 19:46:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-20 19:46:35,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-20 19:46:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 19:46:35,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 19:46:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-20 19:46:35,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-20 19:46:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 19:46:35,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 19:46:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 19:46:35,160 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 19:46:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 19:46:35,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 19:46:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 19:46:35,160 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 19:46:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 19:46:35,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 19:46:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 19:46:35,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 19:46:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 19:46:35,162 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 19:46:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 19:46:35,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 19:46:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 19:46:35,178 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 19:46:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:46:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_read_long [2022-11-20 19:46:35,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_read_long [2022-11-20 19:46:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 19:46:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-20 19:46:35,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-20 19:46:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 19:46:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 19:46:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:46:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 19:46:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 19:46:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 19:46:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_adap_init [2022-11-20 19:46:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_adap_init [2022-11-20 19:46:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 19:46:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 19:46:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-20 19:46:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-20 19:46:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_common [2022-11-20 19:46:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_common [2022-11-20 19:46:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 19:46:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 19:46:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 19:46:35,183 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 19:46:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 19:46:35,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 19:46:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_flush [2022-11-20 19:46:35,183 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_flush [2022-11-20 19:46:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_get_stats [2022-11-20 19:46:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_get_stats [2022-11-20 19:46:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 19:46:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 19:46:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_cam [2022-11-20 19:46:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_cam [2022-11-20 19:46:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-20 19:46:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_cmd_req [2022-11-20 19:46:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_cmd_req [2022-11-20 19:46:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_uninit [2022-11-20 19:46:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_uninit [2022-11-20 19:46:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 19:46:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 19:46:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 19:46:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-20 19:46:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-20 19:46:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-11-20 19:46:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-11-20 19:46:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-20 19:46:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-20 19:46:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 19:46:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure my_skb_align [2022-11-20 19:46:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure my_skb_align [2022-11-20 19:46:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 19:46:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 19:46:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 19:46:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 19:46:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 19:46:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 19:46:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_write_long [2022-11-20 19:46:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_write_long [2022-11-20 19:46:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 19:46:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 19:46:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-20 19:46:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-20 19:46:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 19:46:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 19:46:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 19:46:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-20 19:46:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-20 19:46:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-20 19:46:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-20 19:46:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 19:46:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 19:46:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-20 19:46:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-20 19:46:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 19:46:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 19:46:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 19:46:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_port_ctrl_req [2022-11-20 19:46:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_port_ctrl_req [2022-11-20 19:46:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:46:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_flush [2022-11-20 19:46:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_flush [2022-11-20 19:46:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 19:46:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 19:46:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 19:46:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_filters [2022-11-20 19:46:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_filters [2022-11-20 19:46:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-20 19:46:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-20 19:46:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_mac_address [2022-11-20 19:46:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_mac_address [2022-11-20 19:46:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_multicast_list [2022-11-20 19:46:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_multicast_list [2022-11-20 19:46:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_state_rd [2022-11-20 19:46:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_state_rd [2022-11-20 19:46:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 19:46:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 19:46:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-20 19:46:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-20 19:46:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:46:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_get_bars [2022-11-20 19:46:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_get_bars [2022-11-20 19:46:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-20 19:46:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-20 19:46:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:46:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:46:35,931 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:46:35,936 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:46:36,615 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 19:46:52,520 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:46:53,518 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:46:53,519 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 19:46:53,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:46:53 BoogieIcfgContainer [2022-11-20 19:46:53,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:46:53,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:46:53,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:46:53,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:46:53,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:46:31" (1/3) ... [2022-11-20 19:46:53,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b80b49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:46:53, skipping insertion in model container [2022-11-20 19:46:53,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:34" (2/3) ... [2022-11-20 19:46:53,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b80b49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:46:53, skipping insertion in model container [2022-11-20 19:46:53,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:46:53" (3/3) ... [2022-11-20 19:46:53,536 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-20 19:46:53,556 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:46:53,556 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 19:46:53,648 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:46:53,654 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;@250266df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:46:53,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 19:46:53,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 860 states, 525 states have (on average 1.3295238095238096) internal successors, (698), 546 states have internal predecessors, (698), 274 states have call successors, (274), 60 states have call predecessors, (274), 59 states have return successors, (268), 268 states have call predecessors, (268), 268 states have call successors, (268) [2022-11-20 19:46:53,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-20 19:46:53,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:46:53,711 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:46:53,712 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:46:53,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:46:53,720 INFO L85 PathProgramCache]: Analyzing trace with hash 168512947, now seen corresponding path program 1 times [2022-11-20 19:46:53,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:46:53,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289776690] [2022-11-20 19:46:53,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:46:53,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:46:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:46:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 19:46:54,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:46:54,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289776690] [2022-11-20 19:46:54,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289776690] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:46:54,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:46:54,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 19:46:54,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383570221] [2022-11-20 19:46:54,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:46:54,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:46:54,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:46:54,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:46:54,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:46:54,951 INFO L87 Difference]: Start difference. First operand has 860 states, 525 states have (on average 1.3295238095238096) internal successors, (698), 546 states have internal predecessors, (698), 274 states have call successors, (274), 60 states have call predecessors, (274), 59 states have return successors, (268), 268 states have call predecessors, (268), 268 states have call successors, (268) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 19:47:01,577 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 [] [2022-11-20 19:47:04,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:47:05,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:47:05,355 INFO L93 Difference]: Finished difference Result 2559 states and 3720 transitions. [2022-11-20 19:47:05,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 19:47:05,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 116 [2022-11-20 19:47:05,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:47:05,388 INFO L225 Difference]: With dead ends: 2559 [2022-11-20 19:47:05,388 INFO L226 Difference]: Without dead ends: 1682 [2022-11-20 19:47:05,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 19:47:05,405 INFO L413 NwaCegarLoop]: 1544 mSDtfsCounter, 1208 mSDsluCounter, 4185 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 5729 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:47:05,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 5729 Invalid, 560 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-11-20 19:47:05,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2022-11-20 19:47:05,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1672. [2022-11-20 19:47:05,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1029 states have (on average 1.3109815354713314) internal successors, (1349), 1056 states have internal predecessors, (1349), 525 states have call successors, (525), 118 states have call predecessors, (525), 117 states have return successors, (524), 523 states have call predecessors, (524), 524 states have call successors, (524) [2022-11-20 19:47:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2398 transitions. [2022-11-20 19:47:05,671 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2398 transitions. Word has length 116 [2022-11-20 19:47:05,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:47:05,672 INFO L495 AbstractCegarLoop]: Abstraction has 1672 states and 2398 transitions. [2022-11-20 19:47:05,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 19:47:05,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2398 transitions. [2022-11-20 19:47:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-20 19:47:05,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:05,690 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:47:05,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 19:47:05,691 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:47:05,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:05,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1993149704, now seen corresponding path program 1 times [2022-11-20 19:47:05,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:47:05,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063126513] [2022-11-20 19:47:05,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:05,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:47:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:06,365 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 19:47:06,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:47:06,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063126513] [2022-11-20 19:47:06,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063126513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:06,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:47:06,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 19:47:06,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594178503] [2022-11-20 19:47:06,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:06,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:47:06,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:47:06,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:47:06,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:47:06,370 INFO L87 Difference]: Start difference. First operand 1672 states and 2398 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-20 19:47:12,451 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 [] [2022-11-20 19:47:13,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:47:14,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:47:17,445 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 [] [2022-11-20 19:47:18,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:47:18,088 INFO L93 Difference]: Finished difference Result 4180 states and 5992 transitions. [2022-11-20 19:47:18,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 19:47:18,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 114 [2022-11-20 19:47:18,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:47:18,115 INFO L225 Difference]: With dead ends: 4180 [2022-11-20 19:47:18,115 INFO L226 Difference]: Without dead ends: 2515 [2022-11-20 19:47:18,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 19:47:18,128 INFO L413 NwaCegarLoop]: 1524 mSDtfsCounter, 1189 mSDsluCounter, 4127 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1193 SdHoareTripleChecker+Valid, 5651 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-11-20 19:47:18,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1193 Valid, 5651 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 557 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2022-11-20 19:47:18,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2022-11-20 19:47:18,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2492. [2022-11-20 19:47:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2492 states, 1534 states have (on average 1.3122555410691004) internal successors, (2013), 1578 states have internal predecessors, (2013), 781 states have call successors, (781), 177 states have call predecessors, (781), 176 states have return successors, (780), 775 states have call predecessors, (780), 780 states have call successors, (780) [2022-11-20 19:47:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2492 states and 3574 transitions. [2022-11-20 19:47:18,308 INFO L78 Accepts]: Start accepts. Automaton has 2492 states and 3574 transitions. Word has length 114 [2022-11-20 19:47:18,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:47:18,309 INFO L495 AbstractCegarLoop]: Abstraction has 2492 states and 3574 transitions. [2022-11-20 19:47:18,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-20 19:47:18,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 3574 transitions. [2022-11-20 19:47:18,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-20 19:47:18,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:18,330 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:47:18,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 19:47:18,331 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:47:18,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:18,343 INFO L85 PathProgramCache]: Analyzing trace with hash -389432163, now seen corresponding path program 1 times [2022-11-20 19:47:18,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:47:18,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786967575] [2022-11-20 19:47:18,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:18,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:47:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 19:47:18,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:47:18,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786967575] [2022-11-20 19:47:18,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786967575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:18,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:47:18,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 19:47:18,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411883762] [2022-11-20 19:47:18,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:19,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:47:19,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:47:19,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:47:19,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:47:19,003 INFO L87 Difference]: Start difference. First operand 2492 states and 3574 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-20 19:47:26,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:47:29,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:47:29,187 INFO L93 Difference]: Finished difference Result 4580 states and 6540 transitions. [2022-11-20 19:47:29,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 19:47:29,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 117 [2022-11-20 19:47:29,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:47:29,203 INFO L225 Difference]: With dead ends: 4580 [2022-11-20 19:47:29,203 INFO L226 Difference]: Without dead ends: 2515 [2022-11-20 19:47:29,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 19:47:29,215 INFO L413 NwaCegarLoop]: 1500 mSDtfsCounter, 1183 mSDsluCounter, 4077 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 5577 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-20 19:47:29,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 5577 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-11-20 19:47:29,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2022-11-20 19:47:29,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2496. [2022-11-20 19:47:29,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 1538 states have (on average 1.311443433029909) internal successors, (2017), 1581 states have internal predecessors, (2017), 780 states have call successors, (780), 178 states have call predecessors, (780), 177 states have return successors, (779), 775 states have call predecessors, (779), 779 states have call successors, (779) [2022-11-20 19:47:29,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 3576 transitions. [2022-11-20 19:47:29,374 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 3576 transitions. Word has length 117 [2022-11-20 19:47:29,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:47:29,377 INFO L495 AbstractCegarLoop]: Abstraction has 2496 states and 3576 transitions. [2022-11-20 19:47:29,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-20 19:47:29,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 3576 transitions. [2022-11-20 19:47:29,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-20 19:47:29,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:29,389 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:47:29,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 19:47:29,390 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:47:29,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:29,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1263704265, now seen corresponding path program 1 times [2022-11-20 19:47:29,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:47:29,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686828269] [2022-11-20 19:47:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:29,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:47:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:29,874 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 19:47:29,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:47:29,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686828269] [2022-11-20 19:47:29,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686828269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:29,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:47:29,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 19:47:29,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869851756] [2022-11-20 19:47:29,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:29,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:47:29,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:47:29,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:47:29,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:47:29,877 INFO L87 Difference]: Start difference. First operand 2496 states and 3576 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 19:47:34,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:47:35,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:47:39,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:47:40,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:47:40,759 INFO L93 Difference]: Finished difference Result 4363 states and 6204 transitions. [2022-11-20 19:47:40,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 19:47:40,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 119 [2022-11-20 19:47:40,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:47:40,776 INFO L225 Difference]: With dead ends: 4363 [2022-11-20 19:47:40,776 INFO L226 Difference]: Without dead ends: 2293 [2022-11-20 19:47:40,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 19:47:40,788 INFO L413 NwaCegarLoop]: 1513 mSDtfsCounter, 1183 mSDsluCounter, 4103 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 5616 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-20 19:47:40,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 5616 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-11-20 19:47:40,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2293 states. [2022-11-20 19:47:40,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2293 to 2277. [2022-11-20 19:47:40,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 1406 states have (on average 1.3079658605974396) internal successors, (1839), 1441 states have internal predecessors, (1839), 701 states have call successors, (701), 170 states have call predecessors, (701), 169 states have return successors, (700), 697 states have call predecessors, (700), 700 states have call successors, (700) [2022-11-20 19:47:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 3240 transitions. [2022-11-20 19:47:40,919 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 3240 transitions. Word has length 119 [2022-11-20 19:47:40,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:47:40,919 INFO L495 AbstractCegarLoop]: Abstraction has 2277 states and 3240 transitions. [2022-11-20 19:47:40,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-20 19:47:40,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 3240 transitions. [2022-11-20 19:47:40,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-20 19:47:40,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:40,930 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:47:40,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 19:47:40,931 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:47:40,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:40,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1720917384, now seen corresponding path program 1 times [2022-11-20 19:47:40,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:47:40,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59318985] [2022-11-20 19:47:40,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:40,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:47:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:41,593 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-20 19:47:41,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:47:41,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59318985] [2022-11-20 19:47:41,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59318985] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:47:41,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085751453] [2022-11-20 19:47:41,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:41,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:47:41,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:47:41,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:47:41,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 19:47:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:42,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 1940 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 19:47:42,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:47:42,676 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-20 19:47:42,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:47:42,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085751453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:42,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:47:42,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-20 19:47:42,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716397447] [2022-11-20 19:47:42,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:42,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:47:42,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:47:42,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:47:42,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 19:47:42,680 INFO L87 Difference]: Start difference. First operand 2277 states and 3240 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 19:47:45,399 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 [] [2022-11-20 19:47:46,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:47:47,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:47:47,814 INFO L93 Difference]: Finished difference Result 3934 states and 5610 transitions. [2022-11-20 19:47:47,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:47:47,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2022-11-20 19:47:47,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:47:47,830 INFO L225 Difference]: With dead ends: 3934 [2022-11-20 19:47:47,830 INFO L226 Difference]: Without dead ends: 2259 [2022-11-20 19:47:47,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 19:47:47,840 INFO L413 NwaCegarLoop]: 1083 mSDtfsCounter, 13 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2140 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:47:47,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2140 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-20 19:47:47,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2259 states. [2022-11-20 19:47:47,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2259 to 2255. [2022-11-20 19:47:47,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 1398 states have (on average 1.3068669527896997) internal successors, (1827), 1431 states have internal predecessors, (1827), 687 states have call successors, (687), 170 states have call predecessors, (687), 169 states have return successors, (686), 683 states have call predecessors, (686), 686 states have call successors, (686) [2022-11-20 19:47:47,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 3200 transitions. [2022-11-20 19:47:48,000 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 3200 transitions. Word has length 129 [2022-11-20 19:47:48,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:47:48,001 INFO L495 AbstractCegarLoop]: Abstraction has 2255 states and 3200 transitions. [2022-11-20 19:47:48,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 19:47:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 3200 transitions. [2022-11-20 19:47:48,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-20 19:47:48,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:48,012 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:47:48,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 19:47:48,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:47:48,223 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:47:48,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:48,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1214783772, now seen corresponding path program 1 times [2022-11-20 19:47:48,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:47:48,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884566421] [2022-11-20 19:47:48,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:48,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:47:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-20 19:47:48,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:47:48,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884566421] [2022-11-20 19:47:48,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884566421] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:47:48,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757521967] [2022-11-20 19:47:48,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:48,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:47:48,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:47:48,830 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:47:48,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 19:47:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:49,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 19:47:49,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:47:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-20 19:47:49,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:47:49,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757521967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:49,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:47:49,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-20 19:47:49,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295349978] [2022-11-20 19:47:49,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:49,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:47:49,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:47:49,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:47:49,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 19:47:49,835 INFO L87 Difference]: Start difference. First operand 2255 states and 3200 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 19:47:52,832 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 [] [2022-11-20 19:47:53,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:47:56,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:47:56,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:47:56,476 INFO L93 Difference]: Finished difference Result 3900 states and 5546 transitions. [2022-11-20 19:47:56,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:47:56,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 126 [2022-11-20 19:47:56,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:47:56,514 INFO L225 Difference]: With dead ends: 3900 [2022-11-20 19:47:56,514 INFO L226 Difference]: Without dead ends: 2247 [2022-11-20 19:47:56,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 19:47:56,522 INFO L413 NwaCegarLoop]: 1071 mSDtfsCounter, 8 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2124 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-20 19:47:56,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2124 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-11-20 19:47:56,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2022-11-20 19:47:56,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 2243. [2022-11-20 19:47:56,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2243 states, 1394 states have (on average 1.3048780487804879) internal successors, (1819), 1425 states have internal predecessors, (1819), 679 states have call successors, (679), 170 states have call predecessors, (679), 169 states have return successors, (678), 675 states have call predecessors, (678), 678 states have call successors, (678) [2022-11-20 19:47:56,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 2243 states and 3176 transitions. [2022-11-20 19:47:56,640 INFO L78 Accepts]: Start accepts. Automaton has 2243 states and 3176 transitions. Word has length 126 [2022-11-20 19:47:56,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:47:56,642 INFO L495 AbstractCegarLoop]: Abstraction has 2243 states and 3176 transitions. [2022-11-20 19:47:56,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 19:47:56,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 3176 transitions. [2022-11-20 19:47:56,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-20 19:47:56,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:56,653 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:47:56,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 19:47:56,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:47:56,863 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:47:56,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:56,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1411049903, now seen corresponding path program 1 times [2022-11-20 19:47:56,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:47:56,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152947406] [2022-11-20 19:47:56,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:56,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:47:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:57,466 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-20 19:47:57,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:47:57,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152947406] [2022-11-20 19:47:57,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152947406] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:47:57,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665163906] [2022-11-20 19:47:57,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:57,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:47:57,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:47:57,469 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:47:57,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 19:47:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:58,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 1991 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 19:47:58,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:47:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 19:47:58,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:47:58,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665163906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:58,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:47:58,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-20 19:47:58,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447394707] [2022-11-20 19:47:58,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:58,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 19:47:58,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:47:58,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 19:47:58,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-20 19:47:58,676 INFO L87 Difference]: Start difference. First operand 2243 states and 3176 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 19:48:06,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:48:09,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:48:11,446 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 [] [2022-11-20 19:48:11,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:11,504 INFO L93 Difference]: Finished difference Result 5334 states and 7559 transitions. [2022-11-20 19:48:11,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 19:48:11,505 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 127 [2022-11-20 19:48:11,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:11,530 INFO L225 Difference]: With dead ends: 5334 [2022-11-20 19:48:11,530 INFO L226 Difference]: Without dead ends: 3693 [2022-11-20 19:48:11,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-20 19:48:11,539 INFO L413 NwaCegarLoop]: 1588 mSDtfsCounter, 1177 mSDsluCounter, 7403 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 8991 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:11,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1184 Valid, 8991 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 941 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2022-11-20 19:48:11,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3693 states. [2022-11-20 19:48:11,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3693 to 3656. [2022-11-20 19:48:11,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3656 states, 2274 states have (on average 1.3065083553210202) internal successors, (2971), 2331 states have internal predecessors, (2971), 1101 states have call successors, (1101), 279 states have call predecessors, (1101), 280 states have return successors, (1111), 1090 states have call predecessors, (1111), 1100 states have call successors, (1111) [2022-11-20 19:48:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3656 states and 5183 transitions. [2022-11-20 19:48:11,735 INFO L78 Accepts]: Start accepts. Automaton has 3656 states and 5183 transitions. Word has length 127 [2022-11-20 19:48:11,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:11,735 INFO L495 AbstractCegarLoop]: Abstraction has 3656 states and 5183 transitions. [2022-11-20 19:48:11,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 19:48:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3656 states and 5183 transitions. [2022-11-20 19:48:11,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-20 19:48:11,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:11,749 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:48:11,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 19:48:11,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:48:11,958 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:48:11,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:11,958 INFO L85 PathProgramCache]: Analyzing trace with hash -2115850142, now seen corresponding path program 1 times [2022-11-20 19:48:11,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:48:11,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177534019] [2022-11-20 19:48:11,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:11,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:48:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:12,602 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 19:48:12,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:48:12,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177534019] [2022-11-20 19:48:12,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177534019] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:48:12,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469981] [2022-11-20 19:48:12,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:12,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:48:12,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:48:12,605 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:48:12,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 19:48:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:13,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 1993 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 19:48:13,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 19:48:13,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:13,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469981] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:13,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:48:13,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-20 19:48:13,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697490550] [2022-11-20 19:48:13,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:13,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 19:48:13,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:48:13,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 19:48:13,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-20 19:48:13,872 INFO L87 Difference]: Start difference. First operand 3656 states and 5183 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 19:48:20,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:48:22,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:48:23,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:48:28,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:48:30,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:48:33,477 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 [] [2022-11-20 19:48:35,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:35,239 INFO L93 Difference]: Finished difference Result 8169 states and 11573 transitions. [2022-11-20 19:48:35,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 19:48:35,240 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 128 [2022-11-20 19:48:35,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:35,274 INFO L225 Difference]: With dead ends: 8169 [2022-11-20 19:48:35,275 INFO L226 Difference]: Without dead ends: 5115 [2022-11-20 19:48:35,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-20 19:48:35,289 INFO L413 NwaCegarLoop]: 1625 mSDtfsCounter, 1178 mSDsluCounter, 7539 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 9164 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:35,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 9164 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 982 Invalid, 2 Unknown, 0 Unchecked, 20.9s Time] [2022-11-20 19:48:35,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5115 states. [2022-11-20 19:48:35,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5115 to 5076. [2022-11-20 19:48:35,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5076 states, 3159 states have (on average 1.3067426400759734) internal successors, (4128), 3243 states have internal predecessors, (4128), 1523 states have call successors, (1523), 388 states have call predecessors, (1523), 393 states have return successors, (1541), 1506 states have call predecessors, (1541), 1522 states have call successors, (1541) [2022-11-20 19:48:35,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5076 states to 5076 states and 7192 transitions. [2022-11-20 19:48:35,609 INFO L78 Accepts]: Start accepts. Automaton has 5076 states and 7192 transitions. Word has length 128 [2022-11-20 19:48:35,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:35,610 INFO L495 AbstractCegarLoop]: Abstraction has 5076 states and 7192 transitions. [2022-11-20 19:48:35,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 19:48:35,612 INFO L276 IsEmpty]: Start isEmpty. Operand 5076 states and 7192 transitions. [2022-11-20 19:48:35,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-20 19:48:35,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:35,633 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:48:35,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 19:48:35,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:48:35,850 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:48:35,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:35,851 INFO L85 PathProgramCache]: Analyzing trace with hash 316662376, now seen corresponding path program 1 times [2022-11-20 19:48:35,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:48:35,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166700687] [2022-11-20 19:48:35,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:35,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:48:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 19:48:36,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:48:36,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166700687] [2022-11-20 19:48:36,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166700687] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:48:36,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615149267] [2022-11-20 19:48:36,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:36,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:48:36,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:48:36,478 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:48:36,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 19:48:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:37,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 1995 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 19:48:37,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:37,595 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 19:48:37,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:37,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615149267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:37,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:48:37,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-20 19:48:37,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698443192] [2022-11-20 19:48:37,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:37,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 19:48:37,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:48:37,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 19:48:37,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-20 19:48:37,600 INFO L87 Difference]: Start difference. First operand 5076 states and 7192 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 19:48:43,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:48:44,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:48:46,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:48:50,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:48:53,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:48:55,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:49:00,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:49:00,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:49:00,321 INFO L93 Difference]: Finished difference Result 11007 states and 15587 transitions. [2022-11-20 19:49:00,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 19:49:00,322 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 129 [2022-11-20 19:49:00,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:49:00,363 INFO L225 Difference]: With dead ends: 11007 [2022-11-20 19:49:00,363 INFO L226 Difference]: Without dead ends: 6533 [2022-11-20 19:49:00,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-20 19:49:00,379 INFO L413 NwaCegarLoop]: 1625 mSDtfsCounter, 1178 mSDsluCounter, 7539 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 9164 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-11-20 19:49:00,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 9164 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 980 Invalid, 4 Unknown, 0 Unchecked, 22.3s Time] [2022-11-20 19:49:00,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6533 states. [2022-11-20 19:49:00,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6533 to 5077. [2022-11-20 19:49:00,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5077 states, 3160 states have (on average 1.3066455696202532) internal successors, (4129), 3243 states have internal predecessors, (4129), 1523 states have call successors, (1523), 388 states have call predecessors, (1523), 393 states have return successors, (1541), 1507 states have call predecessors, (1541), 1522 states have call successors, (1541) [2022-11-20 19:49:00,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5077 states to 5077 states and 7193 transitions. [2022-11-20 19:49:00,646 INFO L78 Accepts]: Start accepts. Automaton has 5077 states and 7193 transitions. Word has length 129 [2022-11-20 19:49:00,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:00,647 INFO L495 AbstractCegarLoop]: Abstraction has 5077 states and 7193 transitions. [2022-11-20 19:49:00,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 19:49:00,647 INFO L276 IsEmpty]: Start isEmpty. Operand 5077 states and 7193 transitions. [2022-11-20 19:49:00,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-20 19:49:00,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:49:00,667 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:49:00,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-20 19:49:00,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:49:00,879 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:49:00,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:49:00,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1410804519, now seen corresponding path program 1 times [2022-11-20 19:49:00,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:49:00,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659641737] [2022-11-20 19:49:00,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:00,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:49:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:01,137 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-20 19:49:01,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:49:01,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659641737] [2022-11-20 19:49:01,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659641737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:49:01,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:49:01,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:49:01,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508731326] [2022-11-20 19:49:01,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:49:01,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:49:01,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:49:01,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:49:01,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:49:01,140 INFO L87 Difference]: Start difference. First operand 5077 states and 7193 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 19:49:05,166 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 [] [2022-11-20 19:49:06,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:49:06,233 INFO L93 Difference]: Finished difference Result 13396 states and 18889 transitions. [2022-11-20 19:49:06,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:49:06,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 131 [2022-11-20 19:49:06,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:49:06,276 INFO L225 Difference]: With dead ends: 13396 [2022-11-20 19:49:06,276 INFO L226 Difference]: Without dead ends: 8326 [2022-11-20 19:49:06,299 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 [2022-11-20 19:49:06,300 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 890 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 2259 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-20 19:49:06,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 2259 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-20 19:49:06,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8326 states. [2022-11-20 19:49:06,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8326 to 8309. [2022-11-20 19:49:06,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8309 states, 5227 states have (on average 1.30782475607423) internal successors, (6836), 5375 states have internal predecessors, (6836), 2408 states have call successors, (2408), 662 states have call predecessors, (2408), 673 states have return successors, (2439), 2371 states have call predecessors, (2439), 2407 states have call successors, (2439) [2022-11-20 19:49:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8309 states to 8309 states and 11683 transitions. [2022-11-20 19:49:06,793 INFO L78 Accepts]: Start accepts. Automaton has 8309 states and 11683 transitions. Word has length 131 [2022-11-20 19:49:06,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:06,794 INFO L495 AbstractCegarLoop]: Abstraction has 8309 states and 11683 transitions. [2022-11-20 19:49:06,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 19:49:06,795 INFO L276 IsEmpty]: Start isEmpty. Operand 8309 states and 11683 transitions. [2022-11-20 19:49:06,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-20 19:49:06,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:49:06,802 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:49:06,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 19:49:06,803 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:49:06,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:49:06,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1487596677, now seen corresponding path program 1 times [2022-11-20 19:49:06,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:49:06,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309962489] [2022-11-20 19:49:06,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:06,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:49:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:07,530 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 19:49:07,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:49:07,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309962489] [2022-11-20 19:49:07,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309962489] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:49:07,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992208549] [2022-11-20 19:49:07,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:07,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:49:07,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:49:07,535 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:49:07,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 19:49:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:08,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 1997 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 19:49:08,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:49:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 19:49:08,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:49:08,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992208549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:49:08,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:49:08,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-20 19:49:08,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201672173] [2022-11-20 19:49:08,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:49:08,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 19:49:08,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:49:08,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 19:49:08,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-20 19:49:08,703 INFO L87 Difference]: Start difference. First operand 8309 states and 11683 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 19:49:14,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:49:16,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:49:17,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:49:18,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:49:23,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:49:24,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:49:25,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:49:27,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:49:30,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:49:30,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:49:30,543 INFO L93 Difference]: Finished difference Result 18124 states and 25463 transitions. [2022-11-20 19:49:30,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 19:49:30,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2022-11-20 19:49:30,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:49:30,591 INFO L225 Difference]: With dead ends: 18124 [2022-11-20 19:49:30,591 INFO L226 Difference]: Without dead ends: 10684 [2022-11-20 19:49:30,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-20 19:49:30,615 INFO L413 NwaCegarLoop]: 1601 mSDtfsCounter, 1178 mSDsluCounter, 7443 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 9044 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-11-20 19:49:30,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 9044 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1013 Invalid, 1 Unknown, 0 Unchecked, 21.2s Time] [2022-11-20 19:49:30,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10684 states. [2022-11-20 19:49:31,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10684 to 8311. [2022-11-20 19:49:31,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8311 states, 5229 states have (on average 1.307707018550392) internal successors, (6838), 5375 states have internal predecessors, (6838), 2408 states have call successors, (2408), 662 states have call predecessors, (2408), 673 states have return successors, (2439), 2373 states have call predecessors, (2439), 2407 states have call successors, (2439) [2022-11-20 19:49:31,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8311 states to 8311 states and 11685 transitions. [2022-11-20 19:49:31,087 INFO L78 Accepts]: Start accepts. Automaton has 8311 states and 11685 transitions. Word has length 130 [2022-11-20 19:49:31,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:31,088 INFO L495 AbstractCegarLoop]: Abstraction has 8311 states and 11685 transitions. [2022-11-20 19:49:31,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 19:49:31,088 INFO L276 IsEmpty]: Start isEmpty. Operand 8311 states and 11685 transitions. [2022-11-20 19:49:31,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-20 19:49:31,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:49:31,094 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:49:31,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 19:49:31,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 19:49:31,304 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:49:31,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:49:31,304 INFO L85 PathProgramCache]: Analyzing trace with hash -2010813978, now seen corresponding path program 1 times [2022-11-20 19:49:31,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:49:31,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493351554] [2022-11-20 19:49:31,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:31,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:49:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-20 19:49:32,056 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:49:32,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493351554] [2022-11-20 19:49:32,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493351554] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:49:32,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701629030] [2022-11-20 19:49:32,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:32,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:49:32,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:49:32,058 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:49:32,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 19:49:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:33,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 2062 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 19:49:33,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:49:33,386 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-20 19:49:33,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:49:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-20 19:49:34,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701629030] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:49:34,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [437806746] [2022-11-20 19:49:34,107 INFO L159 IcfgInterpreter]: Started Sifa with 100 locations of interest [2022-11-20 19:49:34,107 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:49:34,112 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:49:34,119 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:49:34,119 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:49:35,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:35,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:35,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:35,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:35,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 616 treesize of output 490 [2022-11-20 19:49:36,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 661 treesize of output 533 [2022-11-20 19:49:36,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:36,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:36,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:36,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:36,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2022-11-20 19:49:36,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:49:36,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:49:36,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:49:36,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:49:36,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:36,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:36,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:36,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:36,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 616 treesize of output 490 [2022-11-20 19:49:37,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 661 treesize of output 533 [2022-11-20 19:49:37,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:37,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:37,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:37,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:37,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:37,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:37,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2022-11-20 19:49:37,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:49:37,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:49:37,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:38,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 92 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 910 treesize of output 754 [2022-11-20 19:49:38,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:49:39,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:49:39,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 19:49:39,980 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 [2022-11-20 19:49:41,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 976 treesize of output 742 [2022-11-20 19:49:41,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:41,755 INFO L217 Elim1Store]: Index analysis took 151 ms [2022-11-20 19:49:41,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-20 19:49:41,925 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 50 treesize of output 22 [2022-11-20 19:49:44,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 976 treesize of output 742 [2022-11-20 19:49:44,158 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 50 treesize of output 22 [2022-11-20 19:49:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:49:44,449 INFO L217 Elim1Store]: Index analysis took 146 ms [2022-11-20 19:49:44,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-20 19:49:52,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:49:52,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:49:52,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 19:49:52,785 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:49:52,791 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:49:52,814 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:49:58,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:49:58,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 19:49:58,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:49:58,880 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:49:58,898 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:49:58,922 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:50:08,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:50:08,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 19:50:08,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:50:08,998 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:50:09,003 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:50:09,010 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:50:15,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:50:15,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:50:15,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 19:50:16,239 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:50:16,249 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:50:16,267 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:50:42,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:42,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:42,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:42,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:42,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:42,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:42,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4225 treesize of output 3817 [2022-11-20 19:50:42,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:42,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:42,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:42,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:42,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:42,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:42,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3817 treesize of output 3409 [2022-11-20 19:50:42,492 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 3409 treesize of output 3141 [2022-11-20 19:50:42,774 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 3141 treesize of output 2873 [2022-11-20 19:50:43,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 2873 treesize of output 2349 [2022-11-20 19:50:43,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 2349 treesize of output 1825 [2022-11-20 19:50:43,736 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 1825 treesize of output 1821 [2022-11-20 19:50:44,100 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 1821 treesize of output 1817 [2022-11-20 19:50:44,391 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 1817 treesize of output 1813 [2022-11-20 19:50:57,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:57,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:57,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:57,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:57,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:57,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:57,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 4225 treesize of output 3817 [2022-11-20 19:50:57,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:57,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:57,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:57,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:57,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:57,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:50:57,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3817 treesize of output 3409 [2022-11-20 19:50:57,455 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 3409 treesize of output 3141 [2022-11-20 19:50:57,661 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 3141 treesize of output 2873 [2022-11-20 19:50:57,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 2873 treesize of output 2349 [2022-11-20 19:50:58,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 2349 treesize of output 1825 [2022-11-20 19:50:58,353 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 1825 treesize of output 1821 [2022-11-20 19:50:58,575 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 1821 treesize of output 1817 [2022-11-20 19:50:58,807 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 1817 treesize of output 1813 [2022-11-20 19:51:29,624 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_irq_1 with input of size 112 for LOIs [2022-11-20 19:51:29,695 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 107 for LOIs [2022-11-20 19:51:29,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 19:51:29,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:51:30,328 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 128 for LOIs [2022-11-20 19:51:30,350 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 133 for LOIs [2022-11-20 19:51:30,413 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:51:50,561 WARN L233 SmtUtils]: Spent 18.33s on a formula simplification that was a NOOP. DAG size: 1421 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:52:15,872 WARN L233 SmtUtils]: Spent 18.30s on a formula simplification. DAG size of input: 876 DAG size of output: 774 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:52:38,255 WARN L233 SmtUtils]: Spent 21.53s on a formula simplification. DAG size of input: 880 DAG size of output: 817 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:52:58,167 WARN L233 SmtUtils]: Spent 19.02s on a formula simplification. DAG size of input: 897 DAG size of output: 788 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:53:18,904 WARN L233 SmtUtils]: Spent 19.78s on a formula simplification. DAG size of input: 901 DAG size of output: 799 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:53:41,519 WARN L233 SmtUtils]: Spent 21.58s on a formula simplification. DAG size of input: 918 DAG size of output: 821 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:54:01,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [437806746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:54:01,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:54:01,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [8, 10, 10] total 47 [2022-11-20 19:54:01,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999582018] [2022-11-20 19:54:01,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:54:01,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-20 19:54:01,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:54:01,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-20 19:54:01,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=1909, Unknown=0, NotChecked=0, Total=2162 [2022-11-20 19:54:01,076 INFO L87 Difference]: Start difference. First operand 8311 states and 11685 transitions. Second operand has 31 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 19 states have internal predecessors, (65), 8 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2022-11-20 19:54:42,058 WARN L233 SmtUtils]: Spent 37.77s on a formula simplification. DAG size of input: 1425 DAG size of output: 1424 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:55:22,427 WARN L233 SmtUtils]: Spent 38.92s on a formula simplification. DAG size of input: 1439 DAG size of output: 1436 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:56:03,435 WARN L233 SmtUtils]: Spent 39.90s on a formula simplification. DAG size of input: 1443 DAG size of output: 1440 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 19:57:12,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:17,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:20,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:22,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:24,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:27,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:29,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:41,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:43,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:46,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:48,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:50,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:52,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:54,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:56,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:57:58,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:00,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:01,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:02,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:03,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:05,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:07,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:09,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:11,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:12,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:14,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:16,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:17,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:19,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:20,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:27,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:29,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:30,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:32,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:34,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:36,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:37,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:40,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:42,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:45,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:49,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:51,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:53,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:55,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:57,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:58:59,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:01,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:03,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:05,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:07,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:09,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:12,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:13,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:15,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:17,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:19,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:21,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:59:24,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:59:24,210 INFO L93 Difference]: Finished difference Result 16736 states and 23527 transitions. [2022-11-20 19:59:24,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-20 19:59:24,211 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 19 states have internal predecessors, (65), 8 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) Word has length 142 [2022-11-20 19:59:24,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:59:24,249 INFO L225 Difference]: With dead ends: 16736 [2022-11-20 19:59:24,249 INFO L226 Difference]: Without dead ends: 8426 [2022-11-20 19:59:24,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 378 SyntacticMatches, 10 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 280.8s TimeCoverageRelationStatistics Valid=374, Invalid=2818, Unknown=0, NotChecked=0, Total=3192 [2022-11-20 19:59:24,281 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 88 mSDsluCounter, 14865 mSDsCounter, 0 mSdLazyCounter, 5515 mSolverCounterSat, 46 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 188.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 15923 SdHoareTripleChecker+Invalid, 5958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 5515 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 364 IncrementalHoareTripleChecker+Unchecked, 192.5s IncrementalHoareTripleChecker+Time [2022-11-20 19:59:24,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 15923 Invalid, 5958 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [46 Valid, 5515 Invalid, 33 Unknown, 364 Unchecked, 192.5s Time] [2022-11-20 19:59:24,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8426 states. [2022-11-20 19:59:24,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8426 to 8384. [2022-11-20 19:59:24,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8384 states, 5293 states have (on average 1.3073871150576233) internal successors, (6920), 5439 states have internal predecessors, (6920), 2412 states have call successors, (2412), 667 states have call predecessors, (2412), 678 states have return successors, (2443), 2377 states have call predecessors, (2443), 2411 states have call successors, (2443) [2022-11-20 19:59:24,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8384 states to 8384 states and 11775 transitions. [2022-11-20 19:59:24,881 INFO L78 Accepts]: Start accepts. Automaton has 8384 states and 11775 transitions. Word has length 142 [2022-11-20 19:59:24,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:59:24,882 INFO L495 AbstractCegarLoop]: Abstraction has 8384 states and 11775 transitions. [2022-11-20 19:59:24,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 19 states have internal predecessors, (65), 8 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2022-11-20 19:59:24,882 INFO L276 IsEmpty]: Start isEmpty. Operand 8384 states and 11775 transitions. [2022-11-20 19:59:24,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-20 19:59:24,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:59:24,893 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:59:24,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 19:59:25,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 19:59:25,107 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:59:25,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:59:25,108 INFO L85 PathProgramCache]: Analyzing trace with hash 273127788, now seen corresponding path program 1 times [2022-11-20 19:59:25,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:59:25,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088006151] [2022-11-20 19:59:25,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:59:25,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:59:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:59:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-20 19:59:25,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:59:25,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088006151] [2022-11-20 19:59:25,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088006151] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:59:25,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364729852] [2022-11-20 19:59:25,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:59:25,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:59:25,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:59:25,897 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:59:25,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4756af31-4be7-422c-b90a-69d9a981baa8/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 19:59:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:59:27,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 19:59:27,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:59:27,554 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-20 19:59:27,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:59:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-20 19:59:28,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364729852] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:59:28,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1799789160] [2022-11-20 19:59:28,181 INFO L159 IcfgInterpreter]: Started Sifa with 101 locations of interest [2022-11-20 19:59:28,181 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:59:28,182 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:59:28,182 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:59:28,183 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:59:29,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:59:29,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:59:29,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:59:29,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:59:29,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:59:29,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:29,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 92 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 910 treesize of output 754 [2022-11-20 19:59:30,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:30,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 616 treesize of output 490 [2022-11-20 19:59:30,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 661 treesize of output 533 [2022-11-20 19:59:30,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:31,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:31,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:31,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:31,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:31,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:31,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2022-11-20 19:59:31,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:59:31,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-20 19:59:31,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:31,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:31,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:31,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:31,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 616 treesize of output 490 [2022-11-20 19:59:31,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 636 treesize of output 508 [2022-11-20 19:59:32,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 660 treesize of output 532 [2022-11-20 19:59:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:32,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:32,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:32,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:32,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:32,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:32,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2022-11-20 19:59:34,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 19:59:34,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:59:34,076 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 [2022-11-20 19:59:35,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 976 treesize of output 742 [2022-11-20 19:59:35,578 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 50 treesize of output 22 [2022-11-20 19:59:35,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:35,828 INFO L217 Elim1Store]: Index analysis took 119 ms [2022-11-20 19:59:35,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-20 19:59:38,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 976 treesize of output 742 [2022-11-20 19:59:38,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:59:38,266 INFO L217 Elim1Store]: Index analysis took 113 ms [2022-11-20 19:59:38,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-20 19:59:38,436 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 50 treesize of output 22 [2022-11-20 19:59:47,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 19:59:47,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:59:47,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:59:48,141 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:59:48,155 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:59:48,170 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:59:54,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 19:59:54,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:59:54,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:59:55,280 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:59:55,293 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:59:55,297 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:59:57,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:59:57,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 19:59:57,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:59:59,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:59:59,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 19:59:59,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 20:00:02,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 20:00:02,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 909 treesize of output 705 [2022-11-20 20:00:03,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,121 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 [2022-11-20 20:00:03,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,356 INFO L217 Elim1Store]: Index analysis took 159 ms [2022-11-20 20:00:03,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 199 [2022-11-20 20:00:03,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 20:00:03,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 909 treesize of output 705 [2022-11-20 20:00:03,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,716 INFO L217 Elim1Store]: Index analysis took 169 ms [2022-11-20 20:00:03,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 199 [2022-11-20 20:00:03,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:03,864 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 [2022-11-20 20:00:03,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 20:00:05,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 909 treesize of output 705 [2022-11-20 20:00:05,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,198 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 [2022-11-20 20:00:05,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,387 INFO L217 Elim1Store]: Index analysis took 123 ms [2022-11-20 20:00:05,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 199 [2022-11-20 20:00:05,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-20 20:00:05,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 909 treesize of output 705 [2022-11-20 20:00:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,742 INFO L217 Elim1Store]: Index analysis took 125 ms [2022-11-20 20:00:05,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 66 select indices, 66 select index equivalence classes, 2145 disjoint index pairs (out of 2145 index pairs), introduced 66 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 199 [2022-11-20 20:00:05,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:00:05,881 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 [2022-11-20 20:00:05,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-11-20 20:00:05,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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