./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/add-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-multidimensional/add-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF --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 7202e877c1332442c2c226005d8bd7e5f4094e339ca214931497ee0f3766da6a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:27:27,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:27:27,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:27:27,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:27:27,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:27:27,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:27:27,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:27:27,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:27:27,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:27:27,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:27:27,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:27:27,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:27:27,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:27:27,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:27:27,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:27:27,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:27:27,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:27:27,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:27:27,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:27:27,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:27:27,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:27:27,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:27:27,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:27:27,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:27:27,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:27:27,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:27:27,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:27:27,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:27:27,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:27:27,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:27:27,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:27:27,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:27:27,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:27:27,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:27:27,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:27:27,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:27:27,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:27:27,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:27:27,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:27:27,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:27:27,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:27:27,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 22:27:27,528 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:27:27,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:27:27,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:27:27,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:27:27,529 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:27:27,529 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:27:27,530 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:27:27,530 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:27:27,530 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:27:27,531 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:27:27,531 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:27:27,531 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:27:27,531 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:27:27,532 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:27:27,532 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:27:27,532 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:27:27,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:27:27,533 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:27:27,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:27:27,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:27:27,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:27:27,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:27:27,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:27:27,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:27:27,535 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:27:27,535 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:27:27,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:27:27,536 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:27:27,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:27:27,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:27:27,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:27:27,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:27:27,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:27:27,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:27:27,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:27:27,538 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:27:27,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:27:27,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:27:27,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:27:27,539 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:27:27,539 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_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7202e877c1332442c2c226005d8bd7e5f4094e339ca214931497ee0f3766da6a [2021-11-12 22:27:27,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:27:27,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:27:27,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:27:27,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:27:27,887 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:27:27,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-multidimensional/add-2-n-u.c [2021-11-12 22:27:27,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/data/55a0b74da/a584a210ac894b6ab967fb96dfd8030a/FLAG59035f6d1 [2021-11-12 22:27:28,363 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:27:28,364 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/sv-benchmarks/c/array-multidimensional/add-2-n-u.c [2021-11-12 22:27:28,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/data/55a0b74da/a584a210ac894b6ab967fb96dfd8030a/FLAG59035f6d1 [2021-11-12 22:27:28,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/data/55a0b74da/a584a210ac894b6ab967fb96dfd8030a [2021-11-12 22:27:28,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:27:28,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:27:28,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:27:28,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:27:28,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:27:28,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:27:28" (1/1) ... [2021-11-12 22:27:28,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c10f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:28, skipping insertion in model container [2021-11-12 22:27:28,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:27:28" (1/1) ... [2021-11-12 22:27:28,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:27:28,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:27:29,001 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_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/sv-benchmarks/c/array-multidimensional/add-2-n-u.c[321,334] [2021-11-12 22:27:29,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:27:29,043 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:27:29,065 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_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/sv-benchmarks/c/array-multidimensional/add-2-n-u.c[321,334] [2021-11-12 22:27:29,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:27:29,111 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:27:29,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:29 WrapperNode [2021-11-12 22:27:29,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:27:29,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:27:29,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:27:29,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:27:29,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:29" (1/1) ... [2021-11-12 22:27:29,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:29" (1/1) ... [2021-11-12 22:27:29,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:27:29,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:27:29,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:27:29,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:27:29,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:29" (1/1) ... [2021-11-12 22:27:29,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:29" (1/1) ... [2021-11-12 22:27:29,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:29" (1/1) ... [2021-11-12 22:27:29,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:29" (1/1) ... [2021-11-12 22:27:29,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:29" (1/1) ... [2021-11-12 22:27:29,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:29" (1/1) ... [2021-11-12 22:27:29,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:29" (1/1) ... [2021-11-12 22:27:29,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:27:29,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:27:29,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:27:29,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:27:29,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:29" (1/1) ... [2021-11-12 22:27:29,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:27:29,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:27:29,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:27:29,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:27:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 22:27:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:27:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-12 22:27:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:27:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:27:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-12 22:27:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:27:29,581 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:27:29,581 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-12 22:27:29,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:27:29 BoogieIcfgContainer [2021-11-12 22:27:29,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:27:29,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:27:29,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:27:29,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:27:29,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:27:28" (1/3) ... [2021-11-12 22:27:29,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41eaee46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:27:29, skipping insertion in model container [2021-11-12 22:27:29,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:27:29" (2/3) ... [2021-11-12 22:27:29,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41eaee46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:27:29, skipping insertion in model container [2021-11-12 22:27:29,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:27:29" (3/3) ... [2021-11-12 22:27:29,592 INFO L111 eAbstractionObserver]: Analyzing ICFG add-2-n-u.c [2021-11-12 22:27:29,598 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:27:29,598 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:27:29,681 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:27:29,697 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 [2021-11-12 22:27:29,698 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:27:29,713 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.8) internal successors, (18), 11 states have internal predecessors, (18), 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) [2021-11-12 22:27:29,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 22:27:29,719 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:29,720 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:29,721 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:27:29,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:29,742 INFO L85 PathProgramCache]: Analyzing trace with hash -199734736, now seen corresponding path program 1 times [2021-11-12 22:27:29,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 22:27:29,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067428320] [2021-11-12 22:27:29,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:29,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 22:27:29,845 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 22:27:29,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1903688565] [2021-11-12 22:27:29,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:29,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 22:27:29,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:27:29,849 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 22:27:29,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 22:27:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:29,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 22:27:29,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:27:30,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 22:27:30,087 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 22:27:30,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067428320] [2021-11-12 22:27:30,088 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 22:27:30,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903688565] [2021-11-12 22:27:30,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903688565] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:30,089 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:30,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-12 22:27:30,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806089042] [2021-11-12 22:27:30,093 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:30,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:27:30,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 22:27:30,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:27:30,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:27:30,128 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.8) internal successors, (18), 11 states have internal predecessors, (18), 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 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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) [2021-11-12 22:27:30,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:30,192 INFO L93 Difference]: Finished difference Result 24 states and 37 transitions. [2021-11-12 22:27:30,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:27:30,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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 7 [2021-11-12 22:27:30,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:30,227 INFO L225 Difference]: With dead ends: 24 [2021-11-12 22:27:30,228 INFO L226 Difference]: Without dead ends: 14 [2021-11-12 22:27:30,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:27:30,237 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.27ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.43ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:30,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 10 Invalid, 33 Unknown, 0 Unchecked, 1.27ms Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 40.43ms Time] [2021-11-12 22:27:30,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-12 22:27:30,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-12 22:27:30,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 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) [2021-11-12 22:27:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2021-11-12 22:27:30,303 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 20 transitions. Word has length 7 [2021-11-12 22:27:30,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:30,303 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-11-12 22:27:30,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 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) [2021-11-12 22:27:30,304 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-12 22:27:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-12 22:27:30,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:30,309 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:30,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:30,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-12 22:27:30,523 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:27:30,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:30,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1644198352, now seen corresponding path program 1 times [2021-11-12 22:27:30,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 22:27:30,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387627925] [2021-11-12 22:27:30,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:30,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 22:27:30,534 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 22:27:30,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749466450] [2021-11-12 22:27:30,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:30,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 22:27:30,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:27:30,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 22:27:30,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 22:27:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:30,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 22:27:30,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 22:27:30,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 22:27:30,740 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 22:27:30,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387627925] [2021-11-12 22:27:30,741 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 22:27:30,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749466450] [2021-11-12 22:27:30,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749466450] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:30,742 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:27:30,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-12 22:27:30,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676860475] [2021-11-12 22:27:30,742 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:30,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 22:27:30,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 22:27:30,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 22:27:30,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 22:27:30,745 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2021-11-12 22:27:30,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:30,836 INFO L93 Difference]: Finished difference Result 39 states and 59 transitions. [2021-11-12 22:27:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 22:27:30,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) Word has length 11 [2021-11-12 22:27:30,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:30,840 INFO L225 Difference]: With dead ends: 39 [2021-11-12 22:27:30,841 INFO L226 Difference]: Without dead ends: 28 [2021-11-12 22:27:30,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-12 22:27:30,846 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 58 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.13ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.44ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:30,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 9 Invalid, 56 Unknown, 0 Unchecked, 5.13ms Time], IncrementalHoareTripleChecker [36 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 57.44ms Time] [2021-11-12 22:27:30,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-12 22:27:30,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 24. [2021-11-12 22:27:30,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 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) [2021-11-12 22:27:30,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2021-11-12 22:27:30,875 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 11 [2021-11-12 22:27:30,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:30,876 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-11-12 22:27:30,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2021-11-12 22:27:30,876 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-12 22:27:30,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-12 22:27:30,878 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:30,878 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:30,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:31,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 22:27:31,102 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:27:31,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:31,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1001834704, now seen corresponding path program 1 times [2021-11-12 22:27:31,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 22:27:31,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918321146] [2021-11-12 22:27:31,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:31,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 22:27:31,117 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 22:27:31,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649710941] [2021-11-12 22:27:31,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:31,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 22:27:31,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:27:31,119 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 22:27:31,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 22:27:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:31,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 22:27:31,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:31,258 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-12 22:27:31,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-12 22:27:31,331 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 22:27:31,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918321146] [2021-11-12 22:27:31,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 22:27:31,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649710941] [2021-11-12 22:27:31,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649710941] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:27:31,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [981308235] [2021-11-12 22:27:31,357 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-12 22:27:31,357 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 22:27:31,362 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 22:27:31,368 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 22:27:31,369 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 22:27:31,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:31,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:31,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:31,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 22:27:31,428 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:31,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:31,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 22:27:31,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-11-12 22:27:31,474 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 78=[|v_#valid_32|]} [2021-11-12 22:27:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 24 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2021-11-12 22:27:31,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:31,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 22:27:31,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:31,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 22:27:31,563 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:31,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:31,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:31,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:31,773 INFO L354 Elim1Store]: treesize reduction 90, result has 15.1 percent of original size [2021-11-12 22:27:31,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 70 [2021-11-12 22:27:31,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:31,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 22:27:31,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:31,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 22:27:31,817 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:31,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:31,891 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:31,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:31,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 22:27:31,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:31,922 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:248, output treesize:191 [2021-11-12 22:27:31,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:31,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-12 22:27:31,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,005 INFO L185 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size 194 [2021-11-12 22:27:32,025 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-12 22:27:32,035 INFO L185 QuantifierPusher]: treesize reduction 196, result has 0.5 percent of original size 1 [2021-11-12 22:27:32,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:32,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:32,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 22:27:32,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 22:27:32,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:32,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-12 22:27:32,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 260 [2021-11-12 22:27:32,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:32,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:32,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:32,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2021-11-12 22:27:32,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:32,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:32,132 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:32,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,158 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-12 22:27:32,169 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:32,169 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:258, output treesize:201 [2021-11-12 22:27:32,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,515 INFO L180 QuantifierPusher]: treesize reduction 61, result has 53.4 percent of original size [2021-11-12 22:27:32,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 22:27:32,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 22:27:32,531 INFO L180 QuantifierPusher]: treesize reduction 60, result has 67.4 percent of original size [2021-11-12 22:27:32,538 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:32,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 22:27:32,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-12 22:27:32,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:32,566 INFO L354 Elim1Store]: treesize reduction 23, result has 47.7 percent of original size [2021-11-12 22:27:32,566 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 1 case distinctions, treesize of input 57 treesize of output 39 [2021-11-12 22:27:32,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:32,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:32,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:32,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 22:27:32,582 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:32,583 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:123, output treesize:66 [2021-11-12 22:27:32,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,752 INFO L180 QuantifierPusher]: treesize reduction 61, result has 52.3 percent of original size [2021-11-12 22:27:32,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:32,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:32,767 INFO L180 QuantifierPusher]: treesize reduction 60, result has 66.9 percent of original size [2021-11-12 22:27:32,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:32,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 22:27:32,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 22:27:32,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:32,796 INFO L354 Elim1Store]: treesize reduction 23, result has 47.7 percent of original size [2021-11-12 22:27:32,797 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 1 case distinctions, treesize of input 57 treesize of output 39 [2021-11-12 22:27:32,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:32,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:32,801 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:32,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,804 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:32,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 22:27:32,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:32,811 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:120, output treesize:63 [2021-11-12 22:27:32,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,872 INFO L180 QuantifierPusher]: treesize reduction 61, result has 52.3 percent of original size [2021-11-12 22:27:32,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:32,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:32,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:33,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:33,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:33,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:33,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:33,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:33,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:33,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:33,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:33,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:33,156 INFO L185 QuantifierPusher]: treesize reduction 92, result has 48.0 percent of original size 85 [2021-11-12 22:27:33,181 INFO L185 QuantifierPusher]: treesize reduction 225, result has 53.8 percent of original size 262 [2021-11-12 22:27:33,207 INFO L185 QuantifierPusher]: treesize reduction 225, result has 53.8 percent of original size 262 [2021-11-12 22:27:33,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:33,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:33,269 INFO L185 QuantifierPusher]: treesize reduction 207, result has 20.1 percent of original size 52 [2021-11-12 22:27:33,276 INFO L185 QuantifierPusher]: treesize reduction 208, result has 21.8 percent of original size 58 [2021-11-12 22:27:33,287 INFO L180 QuantifierPusher]: treesize reduction 208, result has 24.9 percent of original size [2021-11-12 22:27:33,292 INFO L185 QuantifierPusher]: treesize reduction 61, result has 1.6 percent of original size 1 [2021-11-12 22:27:33,294 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 22:27:34,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [981308235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 22:27:34,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:27:34,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 12 [2021-11-12 22:27:34,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856812692] [2021-11-12 22:27:34,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 22:27:34,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 22:27:34,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 22:27:34,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 22:27:34,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-11-12 22:27:34,374 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 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) [2021-11-12 22:27:35,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:35,007 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2021-11-12 22:27:35,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 22:27:35,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 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) Word has length 15 [2021-11-12 22:27:35,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:35,009 INFO L225 Difference]: With dead ends: 42 [2021-11-12 22:27:35,009 INFO L226 Difference]: Without dead ends: 32 [2021-11-12 22:27:35,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2021-11-12 22:27:35,010 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 118.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.73ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.61ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:35,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 9 Invalid, 56 Unknown, 0 Unchecked, 1.73ms Time], IncrementalHoareTripleChecker [20 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 135.61ms Time] [2021-11-12 22:27:35,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-12 22:27:35,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 25. [2021-11-12 22:27:35,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 24 states have internal predecessors, (32), 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) [2021-11-12 22:27:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-11-12 22:27:35,024 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 15 [2021-11-12 22:27:35,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:35,025 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-11-12 22:27:35,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 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) [2021-11-12 22:27:35,025 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-12 22:27:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-12 22:27:35,026 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:35,026 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:35,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:35,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 22:27:35,241 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:27:35,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:35,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1107888820, now seen corresponding path program 1 times [2021-11-12 22:27:35,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 22:27:35,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194453491] [2021-11-12 22:27:35,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:35,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 22:27:35,248 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 22:27:35,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [914963666] [2021-11-12 22:27:35,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:35,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 22:27:35,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:27:35,263 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 22:27:35,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-12 22:27:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:27:35,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 22:27:35,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:35,400 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-12 22:27:35,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:35,478 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-12 22:27:35,479 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 22:27:35,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194453491] [2021-11-12 22:27:35,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 22:27:35,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914963666] [2021-11-12 22:27:35,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914963666] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:27:35,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [722766656] [2021-11-12 22:27:35,482 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-12 22:27:35,483 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 22:27:35,483 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 22:27:35,483 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 22:27:35,483 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 22:27:35,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:35,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 22:27:35,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:35,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 22:27:35,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-11-12 22:27:35,505 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 78=[|v_#valid_33|]} [2021-11-12 22:27:35,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 24 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2021-11-12 22:27:35,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 22:27:35,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 22:27:35,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:35,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:35,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,674 INFO L354 Elim1Store]: treesize reduction 90, result has 15.1 percent of original size [2021-11-12 22:27:35,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 70 [2021-11-12 22:27:35,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 22:27:35,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 22:27:35,684 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:35,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:35,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 22:27:35,722 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:35,723 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:248, output treesize:191 [2021-11-12 22:27:35,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-12 22:27:35,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,748 INFO L185 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size 194 [2021-11-12 22:27:35,754 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-12 22:27:35,765 INFO L185 QuantifierPusher]: treesize reduction 196, result has 0.5 percent of original size 1 [2021-11-12 22:27:35,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:35,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,777 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:35,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 22:27:35,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 22:27:35,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:35,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-12 22:27:35,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 260 [2021-11-12 22:27:35,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:35,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2021-11-12 22:27:35,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:35,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:35,816 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:35,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:35,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:35,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-12 22:27:35,835 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:35,836 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:258, output treesize:201 [2021-11-12 22:27:35,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:35,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:35,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:35,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:35,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,069 INFO L180 QuantifierPusher]: treesize reduction 61, result has 53.4 percent of original size [2021-11-12 22:27:36,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 22:27:36,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 22:27:36,081 INFO L180 QuantifierPusher]: treesize reduction 60, result has 67.4 percent of original size [2021-11-12 22:27:36,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:36,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 22:27:36,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-12 22:27:36,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:36,115 INFO L354 Elim1Store]: treesize reduction 23, result has 47.7 percent of original size [2021-11-12 22:27:36,116 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 1 case distinctions, treesize of input 57 treesize of output 39 [2021-11-12 22:27:36,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:36,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:36,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:36,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 22:27:36,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:36,133 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:123, output treesize:66 [2021-11-12 22:27:36,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,235 INFO L180 QuantifierPusher]: treesize reduction 61, result has 52.3 percent of original size [2021-11-12 22:27:36,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:36,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:36,246 INFO L180 QuantifierPusher]: treesize reduction 60, result has 66.9 percent of original size [2021-11-12 22:27:36,249 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:36,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 22:27:36,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 22:27:36,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:36,276 INFO L354 Elim1Store]: treesize reduction 23, result has 47.7 percent of original size [2021-11-12 22:27:36,277 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 1 case distinctions, treesize of input 57 treesize of output 39 [2021-11-12 22:27:36,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:36,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:36,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:36,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 22:27:36,288 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:36,289 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:120, output treesize:63 [2021-11-12 22:27:36,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,339 INFO L180 QuantifierPusher]: treesize reduction 61, result has 52.3 percent of original size [2021-11-12 22:27:36,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:36,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:36,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,499 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:36,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:36,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,529 INFO L185 QuantifierPusher]: treesize reduction 92, result has 48.0 percent of original size 85 [2021-11-12 22:27:36,551 INFO L185 QuantifierPusher]: treesize reduction 225, result has 53.8 percent of original size 262 [2021-11-12 22:27:36,568 INFO L185 QuantifierPusher]: treesize reduction 225, result has 53.8 percent of original size 262 [2021-11-12 22:27:36,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:36,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,604 INFO L185 QuantifierPusher]: treesize reduction 207, result has 20.1 percent of original size 52 [2021-11-12 22:27:36,610 INFO L185 QuantifierPusher]: treesize reduction 208, result has 21.8 percent of original size 58 [2021-11-12 22:27:36,617 INFO L180 QuantifierPusher]: treesize reduction 208, result has 23.8 percent of original size [2021-11-12 22:27:36,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:36,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:36,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:36,627 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.1 percent of original size 101 [2021-11-12 22:27:36,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:36,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:36,679 INFO L354 Elim1Store]: treesize reduction 40, result has 51.8 percent of original size [2021-11-12 22:27:36,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 58 [2021-11-12 22:27:36,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:36,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:36,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 22:27:36,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 22:27:36,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 22:27:36,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-12 22:27:36,701 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-12 22:27:36,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,708 INFO L628 ElimStorePlain]: treesize reduction 31, result has 85.8 percent of original size [2021-11-12 22:27:36,711 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-12 22:27:36,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-12 22:27:36,714 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:36,715 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:185 [2021-11-12 22:27:36,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,769 INFO L180 QuantifierPusher]: treesize reduction 66, result has 63.5 percent of original size [2021-11-12 22:27:36,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:36,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:36,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-12 22:27:36,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:36,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:36,826 INFO L354 Elim1Store]: treesize reduction 48, result has 51.5 percent of original size [2021-11-12 22:27:36,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 70 [2021-11-12 22:27:36,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:36,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:36,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:36,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:36,845 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-12 22:27:36,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,850 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 239 [2021-11-12 22:27:36,856 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:36,856 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:114, output treesize:239 [2021-11-12 22:27:36,865 INFO L180 QuantifierPusher]: treesize reduction 67, result has 50.0 percent of original size [2021-11-12 22:27:36,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:36,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,908 INFO L180 QuantifierPusher]: treesize reduction 60, result has 52.0 percent of original size [2021-11-12 22:27:36,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:36,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:36,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:36,918 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.1 percent of original size 101 [2021-11-12 22:27:36,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:36,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:36,970 INFO L354 Elim1Store]: treesize reduction 40, result has 51.8 percent of original size [2021-11-12 22:27:36,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 58 [2021-11-12 22:27:36,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,974 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:36,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 22:27:36,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 22:27:36,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 22:27:36,988 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-12 22:27:36,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:36,993 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:36,997 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-12 22:27:36,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-11-12 22:27:37,000 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:37,001 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:199 [2021-11-12 22:27:37,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,045 INFO L180 QuantifierPusher]: treesize reduction 60, result has 66.3 percent of original size [2021-11-12 22:27:37,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:37,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:37,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 22:27:37,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:37,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:37,105 INFO L354 Elim1Store]: treesize reduction 48, result has 51.5 percent of original size [2021-11-12 22:27:37,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 70 [2021-11-12 22:27:37,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:37,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:37,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-12 22:27:37,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-12 22:27:37,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-12 22:27:37,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-12 22:27:37,124 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-12 22:27:37,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,130 INFO L628 ElimStorePlain]: treesize reduction 39, result has 85.1 percent of original size [2021-11-12 22:27:37,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 222 [2021-11-12 22:27:37,135 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:37,135 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:222 [2021-11-12 22:27:37,141 INFO L180 QuantifierPusher]: treesize reduction 61, result has 53.4 percent of original size [2021-11-12 22:27:37,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 22:27:37,151 INFO L180 QuantifierPusher]: treesize reduction 61, result has 52.7 percent of original size [2021-11-12 22:27:37,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 22:27:37,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:37,170 INFO L180 QuantifierPusher]: treesize reduction 60, result has 52.0 percent of original size [2021-11-12 22:27:37,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:37,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:37,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:37,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-12 22:27:37,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:37,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:37,225 INFO L354 Elim1Store]: treesize reduction 48, result has 51.5 percent of original size [2021-11-12 22:27:37,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 70 [2021-11-12 22:27:37,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,229 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:37,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:37,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:37,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:37,240 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-12 22:27:37,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,245 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-12 22:27:37,250 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:37,250 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:244 [2021-11-12 22:27:37,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,290 INFO L180 QuantifierPusher]: treesize reduction 60, result has 66.3 percent of original size [2021-11-12 22:27:37,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:37,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:37,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 22:27:37,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:37,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:37,341 INFO L354 Elim1Store]: treesize reduction 48, result has 51.5 percent of original size [2021-11-12 22:27:37,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 70 [2021-11-12 22:27:37,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:37,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:37,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:37,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:37,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-12 22:27:37,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:37,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:37,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-11-12 22:27:37,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:37,385 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:242 [2021-11-12 22:27:37,387 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 22:27:38,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 22:27:38,820 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:27:38,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-11-12 22:27:38,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977832993] [2021-11-12 22:27:38,821 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 22:27:38,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 22:27:38,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 22:27:38,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 22:27:38,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2021-11-12 22:27:38,822 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-11-12 22:27:39,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:39,025 INFO L93 Difference]: Finished difference Result 80 states and 108 transitions. [2021-11-12 22:27:39,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 22:27:39,025 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 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 19 [2021-11-12 22:27:39,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:39,026 INFO L225 Difference]: With dead ends: 80 [2021-11-12 22:27:39,026 INFO L226 Difference]: Without dead ends: 60 [2021-11-12 22:27:39,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2021-11-12 22:27:39,028 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 76 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.59ms SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 133.19ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:39,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 21 Invalid, 117 Unknown, 0 Unchecked, 2.59ms Time], IncrementalHoareTripleChecker [72 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 133.19ms Time] [2021-11-12 22:27:39,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-11-12 22:27:39,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 49. [2021-11-12 22:27:39,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.25) internal successors, (60), 48 states have internal predecessors, (60), 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) [2021-11-12 22:27:39,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2021-11-12 22:27:39,051 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 19 [2021-11-12 22:27:39,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:39,052 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2021-11-12 22:27:39,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 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) [2021-11-12 22:27:39,052 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2021-11-12 22:27:39,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-12 22:27:39,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:39,053 INFO L514 BasicCegarLoop]: trace histogram [12, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:39,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:39,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-11-12 22:27:39,271 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:27:39,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:39,272 INFO L85 PathProgramCache]: Analyzing trace with hash -962397108, now seen corresponding path program 2 times [2021-11-12 22:27:39,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 22:27:39,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81725102] [2021-11-12 22:27:39,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:39,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 22:27:39,279 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 22:27:39,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1276023074] [2021-11-12 22:27:39,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 22:27:39,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 22:27:39,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:27:39,280 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 22:27:39,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-12 22:27:39,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-12 22:27:39,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-12 22:27:39,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 22:27:39,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:27:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-12 22:27:39,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:27:39,572 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-12 22:27:39,573 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 22:27:39,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81725102] [2021-11-12 22:27:39,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 22:27:39,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276023074] [2021-11-12 22:27:39,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276023074] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 22:27:39,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2059788075] [2021-11-12 22:27:39,575 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-12 22:27:39,575 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 22:27:39,576 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 22:27:39,576 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 22:27:39,576 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 22:27:39,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:39,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 22:27:39,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:39,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 22:27:39,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-11-12 22:27:39,600 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 78=[|v_#valid_34|]} [2021-11-12 22:27:39,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 24 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2021-11-12 22:27:39,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 22:27:39,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-12 22:27:39,648 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:39,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:39,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,758 INFO L354 Elim1Store]: treesize reduction 90, result has 15.1 percent of original size [2021-11-12 22:27:39,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 70 [2021-11-12 22:27:39,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 22:27:39,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 22:27:39,767 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:39,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:39,775 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-12 22:27:39,783 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:39,784 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:248, output treesize:191 [2021-11-12 22:27:39,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-12 22:27:39,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,811 INFO L185 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size 194 [2021-11-12 22:27:39,818 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.0 percent of original size [2021-11-12 22:27:39,824 INFO L185 QuantifierPusher]: treesize reduction 196, result has 0.5 percent of original size 1 [2021-11-12 22:27:39,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:39,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:39,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 22:27:39,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 22:27:39,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:39,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-12 22:27:39,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 260 [2021-11-12 22:27:39,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 22:27:39,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 57 [2021-11-12 22:27:39,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:39,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:39,864 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:39,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:39,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:39,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-12 22:27:39,886 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:39,887 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:258, output treesize:201 [2021-11-12 22:27:39,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:39,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:39,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:39,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:39,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,054 INFO L180 QuantifierPusher]: treesize reduction 61, result has 53.4 percent of original size [2021-11-12 22:27:40,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 22:27:40,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 22:27:40,064 INFO L180 QuantifierPusher]: treesize reduction 60, result has 67.4 percent of original size [2021-11-12 22:27:40,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:40,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 22:27:40,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-12 22:27:40,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:40,088 INFO L354 Elim1Store]: treesize reduction 23, result has 47.7 percent of original size [2021-11-12 22:27:40,088 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 1 case distinctions, treesize of input 57 treesize of output 39 [2021-11-12 22:27:40,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:40,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:40,091 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:40,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 22:27:40,098 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:40,099 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:123, output treesize:66 [2021-11-12 22:27:40,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,184 INFO L180 QuantifierPusher]: treesize reduction 61, result has 52.3 percent of original size [2021-11-12 22:27:40,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:40,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:40,196 INFO L180 QuantifierPusher]: treesize reduction 60, result has 66.9 percent of original size [2021-11-12 22:27:40,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:40,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 22:27:40,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 22:27:40,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:40,224 INFO L354 Elim1Store]: treesize reduction 23, result has 47.7 percent of original size [2021-11-12 22:27:40,224 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 1 case distinctions, treesize of input 57 treesize of output 39 [2021-11-12 22:27:40,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:40,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:40,227 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 22:27:40,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 22:27:40,235 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:40,235 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:120, output treesize:63 [2021-11-12 22:27:40,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,291 INFO L180 QuantifierPusher]: treesize reduction 61, result has 52.3 percent of original size [2021-11-12 22:27:40,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:40,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:40,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,511 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:40,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:40,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,537 INFO L185 QuantifierPusher]: treesize reduction 92, result has 48.0 percent of original size 85 [2021-11-12 22:27:40,560 INFO L185 QuantifierPusher]: treesize reduction 225, result has 53.8 percent of original size 262 [2021-11-12 22:27:40,579 INFO L185 QuantifierPusher]: treesize reduction 225, result has 53.8 percent of original size 262 [2021-11-12 22:27:40,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:40,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,616 INFO L185 QuantifierPusher]: treesize reduction 207, result has 20.1 percent of original size 52 [2021-11-12 22:27:40,622 INFO L185 QuantifierPusher]: treesize reduction 208, result has 21.8 percent of original size 58 [2021-11-12 22:27:40,630 INFO L180 QuantifierPusher]: treesize reduction 208, result has 23.8 percent of original size [2021-11-12 22:27:40,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:40,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:40,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:40,647 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.1 percent of original size 101 [2021-11-12 22:27:40,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:40,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:40,693 INFO L354 Elim1Store]: treesize reduction 40, result has 51.8 percent of original size [2021-11-12 22:27:40,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 58 [2021-11-12 22:27:40,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,696 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:40,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 22:27:40,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 22:27:40,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 22:27:40,717 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-12 22:27:40,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,722 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,724 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-12 22:27:40,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-11-12 22:27:40,727 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:40,727 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:199 [2021-11-12 22:27:40,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,774 INFO L180 QuantifierPusher]: treesize reduction 66, result has 63.5 percent of original size [2021-11-12 22:27:40,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:40,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:40,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-12 22:27:40,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:40,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:40,827 INFO L354 Elim1Store]: treesize reduction 48, result has 51.5 percent of original size [2021-11-12 22:27:40,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 70 [2021-11-12 22:27:40,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:40,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:40,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-12 22:27:40,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-12 22:27:40,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-12 22:27:40,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-12 22:27:40,843 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-12 22:27:40,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,849 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 257 [2021-11-12 22:27:40,853 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:40,853 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:114, output treesize:257 [2021-11-12 22:27:40,859 INFO L180 QuantifierPusher]: treesize reduction 67, result has 50.0 percent of original size [2021-11-12 22:27:40,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:40,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,899 INFO L180 QuantifierPusher]: treesize reduction 60, result has 52.0 percent of original size [2021-11-12 22:27:40,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:40,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:40,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-12 22:27:40,910 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.1 percent of original size 101 [2021-11-12 22:27:40,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:40,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:40,958 INFO L354 Elim1Store]: treesize reduction 40, result has 51.8 percent of original size [2021-11-12 22:27:40,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 58 [2021-11-12 22:27:40,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:40,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 22:27:40,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 22:27:40,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-12 22:27:40,971 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-12 22:27:40,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:40,980 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-12 22:27:40,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-11-12 22:27:40,982 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:40,982 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:103, output treesize:199 [2021-11-12 22:27:40,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:40,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,024 INFO L180 QuantifierPusher]: treesize reduction 60, result has 66.3 percent of original size [2021-11-12 22:27:41,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:41,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:41,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 22:27:41,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:41,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:41,085 INFO L354 Elim1Store]: treesize reduction 48, result has 51.5 percent of original size [2021-11-12 22:27:41,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 70 [2021-11-12 22:27:41,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:41,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:41,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 22:27:41,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:41,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:41,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:41,106 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-12 22:27:41,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-11-12 22:27:41,115 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:41,116 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:242 [2021-11-12 22:27:41,122 INFO L180 QuantifierPusher]: treesize reduction 61, result has 53.4 percent of original size [2021-11-12 22:27:41,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 22:27:41,130 INFO L180 QuantifierPusher]: treesize reduction 61, result has 52.7 percent of original size [2021-11-12 22:27:41,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 22:27:41,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:41,145 INFO L180 QuantifierPusher]: treesize reduction 60, result has 52.0 percent of original size [2021-11-12 22:27:41,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-12 22:27:41,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:41,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:41,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-12 22:27:41,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:41,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:41,202 INFO L354 Elim1Store]: treesize reduction 48, result has 51.5 percent of original size [2021-11-12 22:27:41,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 70 [2021-11-12 22:27:41,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,205 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:41,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:41,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 22:27:41,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:41,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:41,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-12 22:27:41,220 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-12 22:27:41,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,225 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-12 22:27:41,230 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:41,230 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:244 [2021-11-12 22:27:41,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,271 INFO L180 QuantifierPusher]: treesize reduction 60, result has 66.3 percent of original size [2021-11-12 22:27:41,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:41,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 22:27:41,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 22:27:41,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:41,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-12 22:27:41,323 INFO L354 Elim1Store]: treesize reduction 48, result has 51.5 percent of original size [2021-11-12 22:27:41,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 70 [2021-11-12 22:27:41,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 22:27:41,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-11-12 22:27:41,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-11-12 22:27:41,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-11-12 22:27:41,344 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-12 22:27:41,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 22:27:41,349 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 22:27:41,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-11-12 22:27:41,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-12 22:27:41,353 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:240 [2021-11-12 22:27:41,356 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 22:27:42,549 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 22:27:42,549 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 22:27:42,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-11-12 22:27:42,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051480626] [2021-11-12 22:27:42,549 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 22:27:42,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 22:27:42,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 22:27:42,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 22:27:42,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2021-11-12 22:27:42,551 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 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) [2021-11-12 22:27:42,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:27:42,753 INFO L93 Difference]: Finished difference Result 187 states and 234 transitions. [2021-11-12 22:27:42,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 22:27:42,753 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 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 31 [2021-11-12 22:27:42,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:27:42,762 INFO L225 Difference]: With dead ends: 187 [2021-11-12 22:27:42,762 INFO L226 Difference]: Without dead ends: 156 [2021-11-12 22:27:42,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 76 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2021-11-12 22:27:42,764 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 94 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.17ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.48ms IncrementalHoareTripleChecker+Time [2021-11-12 22:27:42,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 16 Invalid, 74 Unknown, 0 Unchecked, 2.17ms Time], IncrementalHoareTripleChecker [32 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 100.48ms Time] [2021-11-12 22:27:42,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-12 22:27:42,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 89. [2021-11-12 22:27:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 88 states have internal predecessors, (105), 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) [2021-11-12 22:27:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 105 transitions. [2021-11-12 22:27:42,821 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 105 transitions. Word has length 31 [2021-11-12 22:27:42,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:27:42,822 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 105 transitions. [2021-11-12 22:27:42,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 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) [2021-11-12 22:27:42,822 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2021-11-12 22:27:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-12 22:27:42,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:27:42,827 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:27:42,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-12 22:27:43,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-11-12 22:27:43,043 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:27:43,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:27:43,044 INFO L85 PathProgramCache]: Analyzing trace with hash -180728672, now seen corresponding path program 3 times [2021-11-12 22:27:43,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 22:27:43,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139006589] [2021-11-12 22:27:43,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:27:43,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 22:27:43,054 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 22:27:43,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1178021161] [2021-11-12 22:27:43,054 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-12 22:27:43,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 22:27:43,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:27:43,055 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 22:27:43,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8455dd8d-ea4e-4fd5-a3a2-cadcc2345efc/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process