./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-programs/partial_mod_count_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-programs/partial_mod_count_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8 --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 32bit --witnessprinter.graph.data.programhash 5d98532a5d518c1ba99a39e0965faf5a69d8ad5bf82f7713684141895d3e8815 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:19:03,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:19:03,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:19:04,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:19:04,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:19:04,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:19:04,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:19:04,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:19:04,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:19:04,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:19:04,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:19:04,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:19:04,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:19:04,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:19:04,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:19:04,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:19:04,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:19:04,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:19:04,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:19:04,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:19:04,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:19:04,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:19:04,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:19:04,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:19:04,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:19:04,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:19:04,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:19:04,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:19:04,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:19:04,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:19:04,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:19:04,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:19:04,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:19:04,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:19:04,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:19:04,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:19:04,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:19:04,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:19:04,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:19:04,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:19:04,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:19:04,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:19:04,152 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:19:04,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:19:04,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:19:04,154 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:19:04,154 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:19:04,154 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:19:04,155 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:19:04,155 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:19:04,155 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:19:04,155 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:19:04,156 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:19:04,157 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:19:04,157 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:19:04,157 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:19:04,157 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:19:04,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:19:04,158 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:19:04,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:19:04,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:19:04,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:19:04,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:19:04,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:19:04,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:19:04,160 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:19:04,160 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:19:04,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:19:04,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:19:04,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:19:04,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:19:04,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:19:04,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:04,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:19:04,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:19:04,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:19:04,164 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:19:04,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:19:04,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:19:04,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:19:04,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:19:04,165 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d98532a5d518c1ba99a39e0965faf5a69d8ad5bf82f7713684141895d3e8815 [2021-11-07 02:19:04,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:19:04,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:19:04,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:19:04,611 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:19:04,612 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:19:04,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-programs/partial_mod_count_2.c [2021-11-07 02:19:04,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/data/839dd986e/28463a701a894180b56f4d134b75e550/FLAG3580ecdc8 [2021-11-07 02:19:05,250 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:19:05,251 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/sv-benchmarks/c/array-programs/partial_mod_count_2.c [2021-11-07 02:19:05,258 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/data/839dd986e/28463a701a894180b56f4d134b75e550/FLAG3580ecdc8 [2021-11-07 02:19:05,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/data/839dd986e/28463a701a894180b56f4d134b75e550 [2021-11-07 02:19:05,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:19:05,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:19:05,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:05,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:19:05,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:19:05,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:05,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c0d206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05, skipping insertion in model container [2021-11-07 02:19:05,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:05,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:19:05,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:19:05,808 WARN L228 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_09084cff-1177-42a3-8be0-eaab78c470ce/sv-benchmarks/c/array-programs/partial_mod_count_2.c[323,336] [2021-11-07 02:19:05,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:05,837 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:19:05,848 WARN L228 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_09084cff-1177-42a3-8be0-eaab78c470ce/sv-benchmarks/c/array-programs/partial_mod_count_2.c[323,336] [2021-11-07 02:19:05,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:05,872 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:19:05,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05 WrapperNode [2021-11-07 02:19:05,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:05,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:05,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:19:05,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:19:05,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:05,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:05,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:05,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:19:05,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:19:05,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:19:05,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:05,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:05,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:05,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:05,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:05,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:05,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:05,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:19:05,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:19:05,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:19:05,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:19:05,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (1/1) ... [2021-11-07 02:19:05,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:05,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:06,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:19:06,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:19:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 02:19:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:19:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:19:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 02:19:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 02:19:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:19:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:19:06,524 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:19:06,525 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-07 02:19:06,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:06 BoogieIcfgContainer [2021-11-07 02:19:06,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:19:06,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:19:06,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:19:06,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:19:06,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:19:05" (1/3) ... [2021-11-07 02:19:06,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5746d301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:19:06, skipping insertion in model container [2021-11-07 02:19:06,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:05" (2/3) ... [2021-11-07 02:19:06,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5746d301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:19:06, skipping insertion in model container [2021-11-07 02:19:06,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:06" (3/3) ... [2021-11-07 02:19:06,537 INFO L111 eAbstractionObserver]: Analyzing ICFG partial_mod_count_2.c [2021-11-07 02:19:06,543 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:19:06,547 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 02:19:06,608 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:19:06,615 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:19:06,616 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 02:19:06,630 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:06,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-07 02:19:06,635 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:06,636 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-07 02:19:06,637 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:19:06,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:06,645 INFO L85 PathProgramCache]: Analyzing trace with hash 81477713, now seen corresponding path program 1 times [2021-11-07 02:19:06,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:19:06,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869368211] [2021-11-07 02:19:06,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:06,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:19:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:06,862 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:19:06,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869368211] [2021-11-07 02:19:06,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869368211] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:06,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:06,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 02:19:06,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910845967] [2021-11-07 02:19:06,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:19:06,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:19:06,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:19:06,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:19:06,887 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:06,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:06,919 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-11-07 02:19:06,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:19:06,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-07 02:19:06,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:06,929 INFO L225 Difference]: With dead ends: 15 [2021-11-07 02:19:06,930 INFO L226 Difference]: Without dead ends: 8 [2021-11-07 02:19:06,933 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:19:06,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-07 02:19:06,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-07 02:19:06,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-11-07 02:19:06,964 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2021-11-07 02:19:06,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:06,965 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-07 02:19:06,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:06,965 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-07 02:19:06,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 02:19:06,966 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:06,966 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 02:19:06,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 02:19:06,967 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:19:06,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:06,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1772623580, now seen corresponding path program 1 times [2021-11-07 02:19:06,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:19:06,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954907284] [2021-11-07 02:19:06,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:06,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:19:06,985 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 02:19:06,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1560740190] [2021-11-07 02:19:06,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:06,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:19:06,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:06,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:19:07,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 02:19:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:07,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:19:07,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:07,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:07,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:07,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:07,250 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:19:07,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954907284] [2021-11-07 02:19:07,251 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:19:07,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560740190] [2021-11-07 02:19:07,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560740190] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:19:07,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1443017958] [2021-11-07 02:19:07,285 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-07 02:19:07,286 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:19:07,294 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:19:07,300 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:19:07,300 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:19:07,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:07,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 02:19:07,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:07,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:19:07,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-07 02:19:07,375 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 36=[|v_#valid_28|]} [2021-11-07 02:19:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 23 [2021-11-07 02:19:07,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 02:19:07,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 02:19:07,422 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:07,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:07,475 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2021-11-07 02:19:07,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 02:19:07,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 02:19:07,539 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:07,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:07,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-07 02:19:07,606 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:19:07,606 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:163, output treesize:125 [2021-11-07 02:19:07,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:07,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:07,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:07,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 02:19:07,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:07,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:19:07,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-07 02:19:07,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:07,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 02:19:07,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:07,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 02:19:07,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-11-07 02:19:07,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:07,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 02:19:07,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 310 [2021-11-07 02:19:07,724 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:07,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:07,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:07,727 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:07,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:07,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:07,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:07,767 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:07,785 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:07,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:07,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:07,795 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:07,822 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:07,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:07,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:07,826 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:07,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 02:19:07,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:07,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:07,887 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:07,909 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:07,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:07,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:07,913 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:07,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:07,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 02:19:07,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:07,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:07,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:07,984 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:08,000 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:08,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:08,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:08,003 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:08,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:08,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:08,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 02:19:08,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:08,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:08,041 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:08,057 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:08,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:08,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:08,061 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:08,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:08,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,139 INFO L180 QuantifierPusher]: treesize reduction 169, result has 64.3 percent of original size [2021-11-07 02:19:08,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-07 02:19:08,150 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:19:08,154 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 1 variables, input treesize:1764, output treesize:305 [2021-11-07 02:19:08,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:08,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:08,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:08,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:08,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:08,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:08,290 INFO L180 QuantifierPusher]: treesize reduction 54, result has 80.1 percent of original size [2021-11-07 02:19:08,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:08,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:19:08,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:08,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 02:19:08,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:08,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 02:19:08,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-11-07 02:19:08,350 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:08,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:08,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:08,353 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:08,372 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:08,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:08,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:08,375 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:08,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:08,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:08,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:08,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:08,395 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:08,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:08,439 INFO L628 ElimStorePlain]: treesize reduction 83, result has 86.9 percent of original size [2021-11-07 02:19:10,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 22 [2021-11-07 02:19:10,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:10,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 02:19:10,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:10,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 02:19:10,647 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:10,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:10,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:10,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:10,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:10,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:10,662 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:12,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:12,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2021-11-07 02:19:12,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:12,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:12,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:12,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:12,831 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:12,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:12,844 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:12,853 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:12,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:12,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:12,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:12,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:12,855 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:12,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 12 [2021-11-07 02:19:12,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:12,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:19:12,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:12,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:19:12,872 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:12,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:12,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-07 02:19:12,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:12,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:12,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:12,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:12,888 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:12,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:12,897 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:12,913 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.1 percent of original size [2021-11-07 02:19:12,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-11-07 02:19:12,917 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:19:12,918 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:954, output treesize:169 [2021-11-07 02:19:12,929 INFO L180 QuantifierPusher]: treesize reduction 55, result has 49.1 percent of original size [2021-11-07 02:19:12,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 02:19:12,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:12,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 02:19:12,954 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:19:13,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1443017958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:13,560 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-11-07 02:19:13,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3, 3] total 8 [2021-11-07 02:19:13,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601430245] [2021-11-07 02:19:13,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:19:13,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:19:13,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:19:13,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:19:13,564 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:13,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:13,631 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2021-11-07 02:19:13,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:19:13,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-07 02:19:13,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:13,632 INFO L225 Difference]: With dead ends: 13 [2021-11-07 02:19:13,633 INFO L226 Difference]: Without dead ends: 11 [2021-11-07 02:19:13,633 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:19:13,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-07 02:19:13,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-11-07 02:19:13,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:13,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-11-07 02:19:13,637 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6 [2021-11-07 02:19:13,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:13,638 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-11-07 02:19:13,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:13,638 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-07 02:19:13,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 02:19:13,639 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:13,639 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:13,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:13,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:19:13,851 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:19:13,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:13,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1601312199, now seen corresponding path program 1 times [2021-11-07 02:19:13,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:19:13,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449016673] [2021-11-07 02:19:13,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:13,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:19:13,862 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 02:19:13,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799306909] [2021-11-07 02:19:13,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:13,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:19:13,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:13,864 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:19:13,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 02:19:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:13,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:19:13,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:13,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:19:13,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:14,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 02:19:14,053 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:19:14,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449016673] [2021-11-07 02:19:14,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:19:14,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799306909] [2021-11-07 02:19:14,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799306909] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:19:14,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [397483704] [2021-11-07 02:19:14,058 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 02:19:14,058 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:19:14,059 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:19:14,059 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:19:14,059 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:19:14,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 02:19:14,078 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:19:14,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-07 02:19:14,094 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 36=[|v_#valid_29|]} [2021-11-07 02:19:14,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 23 [2021-11-07 02:19:14,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 02:19:14,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 02:19:14,137 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:14,143 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2021-11-07 02:19:14,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 02:19:14,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 02:19:14,199 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:14,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-07 02:19:14,212 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,213 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:163, output treesize:125 [2021-11-07 02:19:14,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 02:19:14,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:14,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 02:19:14,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:19:14,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 02:19:14,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-07 02:19:14,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-07 02:19:14,261 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.9 percent of original size 268 [2021-11-07 02:19:14,291 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:14,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,296 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 02:19:14,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 02:19:14,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 02:19:14,347 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 02:19:14,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 02:19:14,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 02:19:14,396 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 02:19:14,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 02:19:14,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 02:19:14,443 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,462 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:14,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,464 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,478 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:14,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,481 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,494 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:14,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,496 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:14,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,509 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,518 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:14,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,520 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,539 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:14,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:14,542 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:14,570 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,583 INFO L180 QuantifierPusher]: treesize reduction 161, result has 63.5 percent of original size [2021-11-07 02:19:14,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-07 02:19:14,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:19:14,590 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 1 variables, input treesize:1612, output treesize:280 [2021-11-07 02:19:14,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:14,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:14,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:14,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,702 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 02:19:14,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:19:14,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 02:19:14,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-07 02:19:14,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 02:19:14,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-11-07 02:19:14,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 02:19:14,746 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 02:19:14,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 02:19:14,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:19:14,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-07 02:19:14,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 02:19:14,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-11-07 02:19:14,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 02:19:14,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 623 [2021-11-07 02:19:14,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:14,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 444 [2021-11-07 02:19:14,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 523 [2021-11-07 02:19:14,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 02:19:14,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:14,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:14,916 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:14,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:14,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 02:19:14,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:14,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:14,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:14,974 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,004 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,007 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,051 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,073 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,078 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,101 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,106 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,134 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,137 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,155 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,157 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,178 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:15,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:15,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:15,386 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-11-07 02:19:15,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 02:19:15,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:15,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:15,464 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,490 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,493 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,510 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,512 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:15,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:15,679 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-11-07 02:19:15,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 02:19:15,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:15,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:15,756 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,771 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,773 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,789 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,792 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,809 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,812 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,827 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,829 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:15,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:15,846 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:15,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:15,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 02:19:15,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:15,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:15,898 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:15,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:15,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 02:19:15,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:15,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:15,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:15,938 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:15,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:16,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:16,114 INFO L180 QuantifierPusher]: treesize reduction 736, result has 48.0 percent of original size [2021-11-07 02:19:16,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 679 [2021-11-07 02:19:16,128 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-07 02:19:16,129 INFO L247 ElimStorePlain]: Needed 21 recursive calls to eliminate 1 variables, input treesize:5087, output treesize:679 [2021-11-07 02:19:16,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:16,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:16,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:16,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:16,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:16,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:16,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:16,259 INFO L180 QuantifierPusher]: treesize reduction 54, result has 80.1 percent of original size [2021-11-07 02:19:16,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:16,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:16,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:19:16,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:16,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:16,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 02:19:16,267 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:16,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:16,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 02:19:16,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-11-07 02:19:18,480 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (mod (mod (mod (+ ULTIMATE.start_main_~i~0 4294967295) 4294967296) (mod ULTIMATE.start_main_~R~0 4294967296)) 4294967296) (select (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| (- 4) (* ULTIMATE.start_main_~i~0 4)))) [2021-11-07 02:19:20,632 WARN L177 IndexEqualityManager]: solver failed to check if following not equals relation is implied: (= (mod (mod (mod (+ ULTIMATE.start_main_~i~0 4294967295) 4294967296) (mod ULTIMATE.start_main_~R~0 4294967296)) 4294967296) (select (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| (- 4) (* ULTIMATE.start_main_~i~0 4)))) [2021-11-07 02:19:20,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 22 [2021-11-07 02:19:20,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:20,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 02:19:20,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:20,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 02:19:20,636 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:20,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:20,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:20,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:20,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:20,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:20,652 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:22,827 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= (mod (mod (mod (+ ULTIMATE.start_main_~i~0 4294967295) 4294967296) (mod ULTIMATE.start_main_~R~0 4294967296)) 4294967296) (select (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| (- 4) (* ULTIMATE.start_main_~i~0 4)))) [2021-11-07 02:19:22,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:22,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2021-11-07 02:19:22,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:22,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:22,838 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:22,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:22,861 INFO L628 ElimStorePlain]: treesize reduction 83, result has 88.8 percent of original size [2021-11-07 02:19:22,868 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:22,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:22,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:22,871 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:22,884 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:22,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:22,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:22,886 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:22,896 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:22,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:22,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:22,898 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:22,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:22,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 12 [2021-11-07 02:19:22,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:19:22,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:19:22,926 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:22,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:22,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:22,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:22,936 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:22,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:22,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-07 02:19:22,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:22,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:22,958 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:22,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:22,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:22,970 INFO L180 QuantifierPusher]: treesize reduction 9, result has 94.8 percent of original size [2021-11-07 02:19:22,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-07 02:19:22,973 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:19:22,974 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:954, output treesize:164 [2021-11-07 02:19:22,986 INFO L180 QuantifierPusher]: treesize reduction 55, result has 49.1 percent of original size [2021-11-07 02:19:22,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 02:19:22,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:23,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 02:19:23,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:23,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-07 02:19:23,027 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.5 percent of original size [2021-11-07 02:19:23,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:23,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:23,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 02:19:23,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:23,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:23,061 INFO L185 QuantifierPusher]: treesize reduction 55, result has 29.5 percent of original size 23 [2021-11-07 02:19:23,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 02:19:23,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,323 INFO L180 QuantifierPusher]: treesize reduction 48, result has 58.6 percent of original size [2021-11-07 02:19:23,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 02:19:23,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:23,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:23,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:23,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 02:19:23,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 02:19:23,360 INFO L180 QuantifierPusher]: treesize reduction 48, result has 58.6 percent of original size [2021-11-07 02:19:23,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 02:19:23,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:23,401 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:19:24,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:19:24,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 02:19:24,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-11-07 02:19:24,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248529500] [2021-11-07 02:19:24,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:19:24,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:19:24,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:19:24,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:19:24,728 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:24,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:24,775 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2021-11-07 02:19:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:19:24,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 02:19:24,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:24,776 INFO L225 Difference]: With dead ends: 20 [2021-11-07 02:19:24,776 INFO L226 Difference]: Without dead ends: 13 [2021-11-07 02:19:24,777 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:19:24,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-07 02:19:24,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-07 02:19:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2021-11-07 02:19:24,781 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2021-11-07 02:19:24,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:24,781 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2021-11-07 02:19:24,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:24,782 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-11-07 02:19:24,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 02:19:24,782 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:24,783 INFO L513 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:24,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:24,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-07 02:19:24,984 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:19:24,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:24,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1502588116, now seen corresponding path program 2 times [2021-11-07 02:19:24,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:19:24,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202609097] [2021-11-07 02:19:24,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:24,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:19:24,996 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 02:19:24,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [497378590] [2021-11-07 02:19:24,997 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 02:19:24,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:19:24,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:25,025 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:19:25,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 02:19:25,120 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 02:19:25,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:19:25,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 02:19:25,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:25,444 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:19:25,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202609097] [2021-11-07 02:19:25,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:19:25,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497378590] [2021-11-07 02:19:25,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [ULTIMATE.start_main_~i~0] [2021-11-07 02:19:25,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1180324590] [2021-11-07 02:19:25,452 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 02:19:25,452 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 02:19:25,453 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 02:19:25,453 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 02:19:25,453 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 02:19:25,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:25,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 02:19:25,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:25,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 02:19:25,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-07 02:19:25,480 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 36=[|v_#valid_30|]} [2021-11-07 02:19:25,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 23 [2021-11-07 02:19:25,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 02:19:25,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 02:19:25,522 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:25,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:25,529 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2021-11-07 02:19:25,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 02:19:25,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 02:19:25,595 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:25,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:25,606 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-07 02:19:25,612 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 02:19:25,612 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:163, output treesize:125 [2021-11-07 02:19:25,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:25,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:25,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 02:19:25,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:25,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:25,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:25,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:25,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 02:19:25,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 02:19:25,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:25,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 02:19:25,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-07 02:19:25,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:25,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-07 02:19:25,654 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.9 percent of original size 268 [2021-11-07 02:19:25,687 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:25,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:25,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 02:19:25,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 02:19:25,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 02:19:25,734 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:25,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:25,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,750 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:25,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:25,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,764 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:25,776 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:25,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,778 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:25,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 02:19:25,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 02:19:25,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 02:19:25,812 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:25,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:25,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 02:19:25,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 02:19:25,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 02:19:25,856 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:25,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:25,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,869 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:25,887 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:25,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,890 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:25,900 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:25,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:25,903 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:25,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:25,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:25,983 INFO L180 QuantifierPusher]: treesize reduction 161, result has 63.5 percent of original size [2021-11-07 02:19:25,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-07 02:19:25,988 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:19:25,989 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 1 variables, input treesize:1612, output treesize:280 [2021-11-07 02:19:25,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:26,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:26,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:26,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 02:19:26,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 02:19:26,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-11-07 02:19:26,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-11-07 02:19:26,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 02:19:26,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 02:19:26,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-07 02:19:26,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 294 [2021-11-07 02:19:26,203 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,209 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 02:19:26,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 02:19:26,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 02:19:26,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2021-11-07 02:19:26,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 622 [2021-11-07 02:19:26,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 02:19:26,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 714 [2021-11-07 02:19:26,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:26,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 444 [2021-11-07 02:19:26,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 523 [2021-11-07 02:19:26,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:26,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:26,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:26,337 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:26,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:26,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:26,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:26,363 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:26,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:26,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:26,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 02:19:26,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:26,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:26,443 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:26,466 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:26,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:26,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:26,469 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:26,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:26,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:26,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 02:19:26,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:26,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:26,594 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:26,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:26,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:26,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:26,633 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:26,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:26,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:26,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:26,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 02:19:26,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:26,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:26,800 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:26,819 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:26,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:26,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:26,821 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:26,846 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:26,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:26,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:26,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:26,848 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:26,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:26,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:27,020 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-11-07 02:19:27,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 02:19:27,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:27,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:27,071 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,107 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:27,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,110 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:27,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:27,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:27,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 02:19:27,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:27,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 02:19:27,167 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:27,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,194 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:27,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,226 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:27,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,246 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:27,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,263 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,277 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:27,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,280 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:27,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:27,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 02:19:27,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:27,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 02:19:27,332 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:27,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,351 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,366 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:27,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,368 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:27,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,537 INFO L180 QuantifierPusher]: treesize reduction 736, result has 48.0 percent of original size [2021-11-07 02:19:27,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 679 [2021-11-07 02:19:27,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-07 02:19:27,547 INFO L247 ElimStorePlain]: Needed 21 recursive calls to eliminate 1 variables, input treesize:5087, output treesize:679 [2021-11-07 02:19:27,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:27,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:27,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:27,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:27,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:27,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:27,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:27,623 INFO L180 QuantifierPusher]: treesize reduction 54, result has 80.1 percent of original size [2021-11-07 02:19:27,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:27,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 02:19:27,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:27,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 02:19:27,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:27,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 02:19:27,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-11-07 02:19:27,663 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:27,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,665 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,673 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:27,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,675 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,721 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:27,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,724 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:27,748 INFO L628 ElimStorePlain]: treesize reduction 83, result has 86.9 percent of original size [2021-11-07 02:19:27,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 12 [2021-11-07 02:19:27,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:19:27,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 02:19:27,764 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:27,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2021-11-07 02:19:27,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,781 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:27,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,791 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:27,805 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 22 [2021-11-07 02:19:27,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 02:19:27,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 02:19:27,832 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,839 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 02:19:27,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,842 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:27,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 1 [2021-11-07 02:19:27,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 02:19:27,861 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-11-07 02:19:27,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:27,869 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 02:19:27,874 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 02:19:27,874 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:954, output treesize:175 [2021-11-07 02:19:27,886 INFO L180 QuantifierPusher]: treesize reduction 55, result has 49.1 percent of original size [2021-11-07 02:19:27,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 02:19:27,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 02:19:27,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-07 02:19:27,927 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.5 percent of original size [2021-11-07 02:19:27,936 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:27,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 02:19:27,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:27,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:27,961 INFO L185 QuantifierPusher]: treesize reduction 55, result has 29.5 percent of original size 23 [2021-11-07 02:19:27,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 357 [2021-11-07 02:19:27,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,240 INFO L180 QuantifierPusher]: treesize reduction 48, result has 58.6 percent of original size [2021-11-07 02:19:28,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 02:19:28,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:28,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 02:19:28,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:28,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 02:19:28,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 243 [2021-11-07 02:19:28,300 INFO L180 QuantifierPusher]: treesize reduction 48, result has 58.6 percent of original size [2021-11-07 02:19:28,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 02:19:28,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:19:28,374 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 02:19:29,670 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 02:19:29,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:29,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-07 02:19:29,670 ERROR L172 FreeRefinementEngine]: Strategy SIFA_TAIPAN failed to provide any proof altough trace is infeasible [2021-11-07 02:19:29,670 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-11-07 02:19:29,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:19:29,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:29,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:19:29,882 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2021-11-07 02:19:29,884 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:19:29,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:19:29 BoogieIcfgContainer [2021-11-07 02:19:29,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:19:29,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:19:29,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:19:29,901 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:19:29,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:06" (3/4) ... [2021-11-07 02:19:29,905 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 02:19:29,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:19:29,906 INFO L168 Benchmark]: Toolchain (without parser) took 24302.80 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 70.8 MB in the beginning and 36.5 MB in the end (delta: 34.3 MB). Peak memory consumption was 58.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:29,906 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 113.2 MB. Free memory was 87.6 MB in the beginning and 87.5 MB in the end (delta: 62.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:19:29,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.37 ms. Allocated memory is still 113.2 MB. Free memory was 70.6 MB in the beginning and 87.5 MB in the end (delta: -16.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:29,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.57 ms. Allocated memory is still 113.2 MB. Free memory was 87.5 MB in the beginning and 85.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:29,907 INFO L168 Benchmark]: Boogie Preprocessor took 47.53 ms. Allocated memory is still 113.2 MB. Free memory was 85.9 MB in the beginning and 84.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:29,907 INFO L168 Benchmark]: RCFGBuilder took 561.53 ms. Allocated memory is still 113.2 MB. Free memory was 84.8 MB in the beginning and 70.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:29,907 INFO L168 Benchmark]: TraceAbstraction took 23371.15 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 70.1 MB in the beginning and 36.5 MB in the end (delta: 33.6 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:19:29,907 INFO L168 Benchmark]: Witness Printer took 4.57 ms. Allocated memory is still 136.3 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:19:29,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 113.2 MB. Free memory was 87.6 MB in the beginning and 87.5 MB in the end (delta: 62.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 267.37 ms. Allocated memory is still 113.2 MB. Free memory was 70.6 MB in the beginning and 87.5 MB in the end (delta: -16.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.57 ms. Allocated memory is still 113.2 MB. Free memory was 87.5 MB in the beginning and 85.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.53 ms. Allocated memory is still 113.2 MB. Free memory was 85.9 MB in the beginning and 84.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 561.53 ms. Allocated memory is still 113.2 MB. Free memory was 84.8 MB in the beginning and 70.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23371.15 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 70.1 MB in the beginning and 36.5 MB in the end (delta: 33.6 MB). Peak memory consumption was 58.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.57 ms. Allocated memory is still 136.3 MB. Free memory is still 36.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L6] int N = 1000000; [L8] int i,j=0,a[N]; [L9] unsigned int R=2; [L11] i=0 [L11] COND TRUE iN/2) [L11] i++ [L11] COND TRUE iN/2) [L11] i++ [L11] COND TRUE iN/2) [L11] i++ [L11] COND TRUE iN/2) [L11] i++ [L16] i=0 [L16] COND TRUE i main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d98532a5d518c1ba99a39e0965faf5a69d8ad5bf82f7713684141895d3e8815 [2021-11-07 02:19:33,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:19:33,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:19:33,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:19:33,487 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:19:33,488 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:19:33,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-programs/partial_mod_count_2.c [2021-11-07 02:19:33,579 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/data/31e0a0e1f/bb150f537377413a846b82a5f0381cb3/FLAG6be5cbe9e [2021-11-07 02:19:34,271 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:19:34,273 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/sv-benchmarks/c/array-programs/partial_mod_count_2.c [2021-11-07 02:19:34,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/data/31e0a0e1f/bb150f537377413a846b82a5f0381cb3/FLAG6be5cbe9e [2021-11-07 02:19:34,615 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/data/31e0a0e1f/bb150f537377413a846b82a5f0381cb3 [2021-11-07 02:19:34,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:19:34,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:19:34,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:34,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:19:34,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:19:34,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:34" (1/1) ... [2021-11-07 02:19:34,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5b2f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:34, skipping insertion in model container [2021-11-07 02:19:34,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:34" (1/1) ... [2021-11-07 02:19:34,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:19:34,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:19:34,830 WARN L228 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_09084cff-1177-42a3-8be0-eaab78c470ce/sv-benchmarks/c/array-programs/partial_mod_count_2.c[323,336] [2021-11-07 02:19:34,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:34,866 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:19:34,901 WARN L228 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_09084cff-1177-42a3-8be0-eaab78c470ce/sv-benchmarks/c/array-programs/partial_mod_count_2.c[323,336] [2021-11-07 02:19:34,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:19:34,951 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:19:34,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:34 WrapperNode [2021-11-07 02:19:34,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:19:34,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:34,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:19:34,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:19:34,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:34" (1/1) ... [2021-11-07 02:19:34,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:34" (1/1) ... [2021-11-07 02:19:34,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:19:34,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:19:34,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:19:34,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:19:35,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:34" (1/1) ... [2021-11-07 02:19:35,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:34" (1/1) ... [2021-11-07 02:19:35,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:34" (1/1) ... [2021-11-07 02:19:35,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:34" (1/1) ... [2021-11-07 02:19:35,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:34" (1/1) ... [2021-11-07 02:19:35,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:34" (1/1) ... [2021-11-07 02:19:35,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:34" (1/1) ... [2021-11-07 02:19:35,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:19:35,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:19:35,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:19:35,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:19:35,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:34" (1/1) ... [2021-11-07 02:19:35,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:19:35,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:35,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:19:35,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:19:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:19:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:19:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 02:19:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:19:35,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:19:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:19:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 02:19:35,707 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:19:35,707 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-07 02:19:35,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:35 BoogieIcfgContainer [2021-11-07 02:19:35,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:19:35,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:19:35,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:19:35,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:19:35,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:19:34" (1/3) ... [2021-11-07 02:19:35,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b347be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:19:35, skipping insertion in model container [2021-11-07 02:19:35,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:34" (2/3) ... [2021-11-07 02:19:35,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b347be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:19:35, skipping insertion in model container [2021-11-07 02:19:35,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:19:35" (3/3) ... [2021-11-07 02:19:35,733 INFO L111 eAbstractionObserver]: Analyzing ICFG partial_mod_count_2.c [2021-11-07 02:19:35,740 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:19:35,740 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 02:19:35,843 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:19:35,855 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:19:35,855 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 02:19:35,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:35,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 02:19:35,902 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:35,903 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:35,904 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:19:35,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:35,912 INFO L85 PathProgramCache]: Analyzing trace with hash -694175938, now seen corresponding path program 1 times [2021-11-07 02:19:35,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:35,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727221627] [2021-11-07 02:19:35,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:35,927 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:35,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:35,934 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:35,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:19:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:36,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:19:36,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:36,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:36,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:36,200 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:36,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727221627] [2021-11-07 02:19:36,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727221627] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:36,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:36,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:19:36,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739931230] [2021-11-07 02:19:36,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:19:36,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:36,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:19:36,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:19:36,227 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:36,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:36,240 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2021-11-07 02:19:36,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:19:36,242 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 02:19:36,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:36,251 INFO L225 Difference]: With dead ends: 29 [2021-11-07 02:19:36,251 INFO L226 Difference]: Without dead ends: 13 [2021-11-07 02:19:36,254 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:19:36,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-07 02:19:36,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-07 02:19:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-11-07 02:19:36,294 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 9 [2021-11-07 02:19:36,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:36,295 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-07 02:19:36,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-07 02:19:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 02:19:36,296 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:36,297 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:36,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:36,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:36,509 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:19:36,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:36,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1866781837, now seen corresponding path program 1 times [2021-11-07 02:19:36,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:36,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [353348960] [2021-11-07 02:19:36,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:36,518 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:36,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:36,520 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:36,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:19:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:36,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:19:36,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:36,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:36,724 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:36,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [353348960] [2021-11-07 02:19:36,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [353348960] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:36,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:36,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-07 02:19:36,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571853591] [2021-11-07 02:19:36,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:19:36,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:36,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:19:36,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:19:36,730 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:37,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:37,029 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2021-11-07 02:19:37,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:19:37,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 02:19:37,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:37,032 INFO L225 Difference]: With dead ends: 36 [2021-11-07 02:19:37,032 INFO L226 Difference]: Without dead ends: 25 [2021-11-07 02:19:37,033 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:19:37,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-07 02:19:37,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2021-11-07 02:19:37,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-11-07 02:19:37,041 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 9 [2021-11-07 02:19:37,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:37,042 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-07 02:19:37,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:37,043 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-07 02:19:37,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 02:19:37,044 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:37,044 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:37,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:37,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:37,259 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:19:37,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:37,260 INFO L85 PathProgramCache]: Analyzing trace with hash 301968177, now seen corresponding path program 1 times [2021-11-07 02:19:37,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:37,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990049921] [2021-11-07 02:19:37,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:37,263 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:37,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:37,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:37,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:19:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:37,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:19:37,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:37,574 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:37,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:38,278 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:38,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990049921] [2021-11-07 02:19:38,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990049921] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:19:38,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2078172185] [2021-11-07 02:19:38,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:38,279 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:19:38,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:19:38,291 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:19:38,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-07 02:19:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:38,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:19:38,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:38,566 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:38,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:39,255 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:39,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2078172185] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:19:39,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937864105] [2021-11-07 02:19:39,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:39,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:19:39,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:39,258 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:19:39,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 02:19:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:39,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 02:19:39,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:39,603 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:39,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:40,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937864105] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:19:40,961 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 02:19:40,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5, 5, 4, 5] total 15 [2021-11-07 02:19:40,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316424067] [2021-11-07 02:19:40,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 02:19:40,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:40,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 02:19:40,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-11-07 02:19:40,964 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:42,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:42,669 INFO L93 Difference]: Finished difference Result 96 states and 121 transitions. [2021-11-07 02:19:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 02:19:42,670 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-07 02:19:42,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:42,673 INFO L225 Difference]: With dead ends: 96 [2021-11-07 02:19:42,673 INFO L226 Difference]: Without dead ends: 85 [2021-11-07 02:19:42,674 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2021-11-07 02:19:42,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-11-07 02:19:42,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 35. [2021-11-07 02:19:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 34 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2021-11-07 02:19:42,684 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 15 [2021-11-07 02:19:42,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:42,684 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2021-11-07 02:19:42,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:42,685 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2021-11-07 02:19:42,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 02:19:42,686 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:42,686 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:42,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:42,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2021-11-07 02:19:43,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:43,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:43,306 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:19:43,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:43,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1427258063, now seen corresponding path program 2 times [2021-11-07 02:19:43,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:43,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277123351] [2021-11-07 02:19:43,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 02:19:43,308 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:43,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:43,310 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:43,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:19:43,408 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 02:19:43,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:19:43,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 02:19:43,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-07 02:19:43,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-07 02:19:45,817 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:45,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277123351] [2021-11-07 02:19:45,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277123351] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:45,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:45,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-07 02:19:45,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714134601] [2021-11-07 02:19:45,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 02:19:45,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:45,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 02:19:45,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-07 02:19:45,821 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:46,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:46,551 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2021-11-07 02:19:46,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 02:19:46,555 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 02:19:46,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:46,556 INFO L225 Difference]: With dead ends: 62 [2021-11-07 02:19:46,556 INFO L226 Difference]: Without dead ends: 60 [2021-11-07 02:19:46,557 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2021-11-07 02:19:46,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-11-07 02:19:46,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 55. [2021-11-07 02:19:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2021-11-07 02:19:46,569 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 33 [2021-11-07 02:19:46,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:46,570 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2021-11-07 02:19:46,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2021-11-07 02:19:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 02:19:46,572 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:46,572 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 5, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:46,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 02:19:46,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:46,783 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:19:46,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:46,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1655326991, now seen corresponding path program 1 times [2021-11-07 02:19:46,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:46,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720136970] [2021-11-07 02:19:46,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:46,785 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:46,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:46,787 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:46,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 02:19:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:47,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 02:19:47,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 45 proven. 40 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-07 02:19:47,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:49,754 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 45 proven. 40 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-07 02:19:49,754 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:49,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720136970] [2021-11-07 02:19:49,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1720136970] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:19:49,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1832496954] [2021-11-07 02:19:49,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:49,756 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:19:49,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:19:49,760 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:19:49,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-07 02:19:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:50,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 02:19:50,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-07 02:19:50,488 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-07 02:19:53,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1832496954] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:19:53,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747576434] [2021-11-07 02:19:53,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:53,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:19:53,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:19:53,902 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:19:53,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 02:19:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:54,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 02:19:54,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 45 proven. 40 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-07 02:19:54,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:06,746 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 45 proven. 40 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-07 02:20:06,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747576434] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:20:06,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 02:20:06,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 11, 11, 8, 10] total 36 [2021-11-07 02:20:06,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505684308] [2021-11-07 02:20:06,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-07 02:20:06,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:20:06,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-07 02:20:06,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=1002, Unknown=0, NotChecked=0, Total=1332 [2021-11-07 02:20:06,751 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand has 37 states, 37 states have (on average 2.810810810810811) internal successors, (104), 36 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:38,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:38,155 INFO L93 Difference]: Finished difference Result 724 states and 869 transitions. [2021-11-07 02:20:38,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-07 02:20:38,156 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.810810810810811) internal successors, (104), 36 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-07 02:20:38,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:38,163 INFO L225 Difference]: With dead ends: 724 [2021-11-07 02:20:38,163 INFO L226 Difference]: Without dead ends: 685 [2021-11-07 02:20:38,168 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1053 ImplicationChecksByTransitivity, 42.8s TimeCoverageRelationStatistics Valid=1495, Invalid=3475, Unknown=0, NotChecked=0, Total=4970 [2021-11-07 02:20:38,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2021-11-07 02:20:38,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 103. [2021-11-07 02:20:38,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.1568627450980393) internal successors, (118), 102 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:38,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2021-11-07 02:20:38,202 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 48 [2021-11-07 02:20:38,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:38,202 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2021-11-07 02:20:38,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.810810810810811) internal successors, (104), 36 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:38,203 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2021-11-07 02:20:38,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 02:20:38,208 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:38,208 INFO L513 BasicCegarLoop]: trace histogram [24, 24, 15, 9, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:38,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-07 02:20:38,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 02:20:38,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-11-07 02:20:38,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:20:38,811 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:20:38,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:38,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1443447119, now seen corresponding path program 2 times [2021-11-07 02:20:38,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:20:38,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871047186] [2021-11-07 02:20:38,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 02:20:38,813 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:20:38,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:20:38,815 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:20:38,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 02:20:39,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 02:20:39,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:20:39,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 02:20:39,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:40,795 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 407 proven. 345 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-07 02:20:40,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 407 proven. 345 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-07 02:20:50,833 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:20:50,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1871047186] [2021-11-07 02:20:50,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1871047186] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:20:50,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1200948230] [2021-11-07 02:20:50,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 02:20:50,835 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 02:20:50,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 02:20:50,837 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 02:20:50,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-07 02:20:51,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 02:20:51,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:20:51,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-07 02:20:51,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 0 proven. 852 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-07 02:20:52,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 0 proven. 852 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-07 02:21:13,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1200948230] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:21:13,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869955053] [2021-11-07 02:21:13,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 02:21:13,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 02:21:13,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:21:13,417 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 02:21:13,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09084cff-1177-42a3-8be0-eaab78c470ce/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 02:21:14,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 02:21:14,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 02:21:14,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 02:21:14,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2021-11-07 02:21:16,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:34,655 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2021-11-07 02:21:34,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869955053] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 02:21:34,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 02:21:34,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 27, 27, 9, 10] total 86 [2021-11-07 02:21:34,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584864886] [2021-11-07 02:21:34,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2021-11-07 02:21:34,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:34,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-11-07 02:21:34,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1374, Invalid=6108, Unknown=0, NotChecked=0, Total=7482 [2021-11-07 02:21:34,664 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand has 87 states, 87 states have (on average 3.045977011494253) internal successors, (265), 86 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)