./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i --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_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/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_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/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_4b8756ee-1073-4316-a3fb-8964c2105643/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 b38f47c3dcd7731e15cfc2cee00261f352bac0ed4fe94aeeb81a5c76defb252d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:28:09,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:28:09,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:28:09,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:28:09,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:28:09,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:28:09,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:28:09,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:28:09,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:28:09,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:28:09,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:28:09,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:28:09,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:28:09,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:28:09,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:28:09,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:28:09,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:28:09,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:28:09,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:28:09,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:28:09,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:28:09,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:28:09,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:28:09,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:28:09,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:28:09,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:28:09,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:28:09,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:28:09,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:28:09,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:28:09,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:28:09,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:28:09,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:28:09,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:28:09,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:28:09,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:28:09,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:28:09,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:28:09,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:28:09,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:28:09,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:28:09,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 02:28:09,532 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:28:09,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:28:09,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:28:09,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:28:09,535 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:28:09,535 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:28:09,535 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:28:09,536 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:28:09,536 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:28:09,536 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:28:09,537 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:28:09,537 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:28:09,538 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:28:09,538 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:28:09,538 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:28:09,539 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:28:09,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:28:09,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:28:09,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:28:09,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:28:09,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:28:09,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:28:09,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:28:09,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:28:09,541 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:28:09,541 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:28:09,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:28:09,542 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:28:09,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:28:09,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:28:09,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:28:09,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:28:09,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:28:09,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:28:09,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:28:09,545 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:28:09,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:28:09,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:28:09,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:28:09,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:28:09,547 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_4b8756ee-1073-4316-a3fb-8964c2105643/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b38f47c3dcd7731e15cfc2cee00261f352bac0ed4fe94aeeb81a5c76defb252d [2021-11-13 02:28:09,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:28:09,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:28:09,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:28:09,849 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:28:09,849 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:28:09,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2021-11-13 02:28:09,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/data/8d4d558ae/c5562a42f96547c496b6cfe89cd6db4b/FLAG16f46b193 [2021-11-13 02:28:10,418 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:28:10,420 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2021-11-13 02:28:10,430 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/data/8d4d558ae/c5562a42f96547c496b6cfe89cd6db4b/FLAG16f46b193 [2021-11-13 02:28:10,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/data/8d4d558ae/c5562a42f96547c496b6cfe89cd6db4b [2021-11-13 02:28:10,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:28:10,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:28:10,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:28:10,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:28:10,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:28:10,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:28:10" (1/1) ... [2021-11-13 02:28:10,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54555fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:10, skipping insertion in model container [2021-11-13 02:28:10,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:28:10" (1/1) ... [2021-11-13 02:28:10,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:28:10,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:28:11,008 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_4b8756ee-1073-4316-a3fb-8964c2105643/sv-benchmarks/c/loop-invgen/NetBSD_loop.i[893,906] [2021-11-13 02:28:11,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:28:11,027 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:28:11,040 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_4b8756ee-1073-4316-a3fb-8964c2105643/sv-benchmarks/c/loop-invgen/NetBSD_loop.i[893,906] [2021-11-13 02:28:11,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:28:11,056 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:28:11,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:11 WrapperNode [2021-11-13 02:28:11,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:28:11,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:28:11,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:28:11,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:28:11,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:11" (1/1) ... [2021-11-13 02:28:11,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:11" (1/1) ... [2021-11-13 02:28:11,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:28:11,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:28:11,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:28:11,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:28:11,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:11" (1/1) ... [2021-11-13 02:28:11,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:11" (1/1) ... [2021-11-13 02:28:11,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:11" (1/1) ... [2021-11-13 02:28:11,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:11" (1/1) ... [2021-11-13 02:28:11,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:11" (1/1) ... [2021-11-13 02:28:11,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:11" (1/1) ... [2021-11-13 02:28:11,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:11" (1/1) ... [2021-11-13 02:28:11,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:28:11,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:28:11,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:28:11,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:28:11,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:11" (1/1) ... [2021-11-13 02:28:11,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:28:11,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:28:11,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:28:11,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:28:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 02:28:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:28:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:28:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:28:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 02:28:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 02:28:11,360 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:28:11,360 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 02:28:11,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:28:11 BoogieIcfgContainer [2021-11-13 02:28:11,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:28:11,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:28:11,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:28:11,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:28:11,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:28:10" (1/3) ... [2021-11-13 02:28:11,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c699c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:28:11, skipping insertion in model container [2021-11-13 02:28:11,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:11" (2/3) ... [2021-11-13 02:28:11,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c699c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:28:11, skipping insertion in model container [2021-11-13 02:28:11,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:28:11" (3/3) ... [2021-11-13 02:28:11,371 INFO L111 eAbstractionObserver]: Analyzing ICFG NetBSD_loop.i [2021-11-13 02:28:11,376 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:28:11,376 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:28:11,429 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:28:11,437 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 [2021-11-13 02:28:11,437 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:28:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 02:28:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 02:28:11,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:28:11,457 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:28:11,458 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:28:11,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:28:11,471 INFO L85 PathProgramCache]: Analyzing trace with hash 7406056, now seen corresponding path program 1 times [2021-11-13 02:28:11,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:28:11,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028046750] [2021-11-13 02:28:11,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:11,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:28:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:28:11,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:28:11,675 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:28:11,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028046750] [2021-11-13 02:28:11,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028046750] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:28:11,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:28:11,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 02:28:11,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712012539] [2021-11-13 02:28:11,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:28:11,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:28:11,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:28:11,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:28:11,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:28:11,712 INFO L87 Difference]: Start difference. First operand has 14 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:28:11,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:28:11,800 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2021-11-13 02:28:11,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:28:11,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-13 02:28:11,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:28:11,809 INFO L225 Difference]: With dead ends: 32 [2021-11-13 02:28:11,809 INFO L226 Difference]: Without dead ends: 16 [2021-11-13 02:28:11,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:28:11,829 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 8 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.88ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.72ms IncrementalHoareTripleChecker+Time [2021-11-13 02:28:11,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 24 Invalid, 36 Unknown, 0 Unchecked, 1.88ms Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 53.72ms Time] [2021-11-13 02:28:11,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-13 02:28:11,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-13 02:28:11,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 02:28:11,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-11-13 02:28:11,886 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 7 [2021-11-13 02:28:11,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:28:11,886 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-11-13 02:28:11,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:28:11,887 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-11-13 02:28:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 02:28:11,888 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:28:11,888 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:28:11,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 02:28:11,888 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:28:11,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:28:11,889 INFO L85 PathProgramCache]: Analyzing trace with hash -230121834, now seen corresponding path program 1 times [2021-11-13 02:28:11,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:28:11,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69641771] [2021-11-13 02:28:11,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:11,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:28:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:28:11,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:28:11,961 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:28:11,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69641771] [2021-11-13 02:28:11,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69641771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:28:11,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:28:11,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 02:28:11,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206122587] [2021-11-13 02:28:11,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:28:11,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:28:11,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:28:11,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:28:11,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:28:11,965 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 02:28:12,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:28:12,044 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2021-11-13 02:28:12,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:28:12,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-11-13 02:28:12,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:28:12,047 INFO L225 Difference]: With dead ends: 26 [2021-11-13 02:28:12,047 INFO L226 Difference]: Without dead ends: 24 [2021-11-13 02:28:12,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:28:12,050 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 4 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.94ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.22ms IncrementalHoareTripleChecker+Time [2021-11-13 02:28:12,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 34 Invalid, 28 Unknown, 0 Unchecked, 2.94ms Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 60.22ms Time] [2021-11-13 02:28:12,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-13 02:28:12,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2021-11-13 02:28:12,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 16 states have internal predecessors, (16), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-13 02:28:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2021-11-13 02:28:12,062 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 12 [2021-11-13 02:28:12,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:28:12,063 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2021-11-13 02:28:12,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 02:28:12,063 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-11-13 02:28:12,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 02:28:12,065 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:28:12,065 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-11-13 02:28:12,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 02:28:12,066 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:28:12,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:28:12,067 INFO L85 PathProgramCache]: Analyzing trace with hash 181124150, now seen corresponding path program 1 times [2021-11-13 02:28:12,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:28:12,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957367665] [2021-11-13 02:28:12,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:12,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:28:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:28:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 02:28:12,157 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:28:12,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957367665] [2021-11-13 02:28:12,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957367665] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 02:28:12,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862363655] [2021-11-13 02:28:12,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:12,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:28:12,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:28:12,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:28:12,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 02:28:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:28:12,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 02:28:12,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:28:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 02:28:12,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:28:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 02:28:12,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862363655] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:28:12,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [269211149] [2021-11-13 02:28:12,766 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-13 02:28:12,766 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 02:28:12,770 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 02:28:12,776 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 02:28:12,776 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 02:28:12,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:12,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:12,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:12,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 02:28:12,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:12,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:12,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 02:28:12,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-13 02:28:12,836 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_8|], 10=[|v_#valid_9|]} [2021-11-13 02:28:12,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:28:12,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-13 02:28:12,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:12,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:28:12,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:12,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:28:12,858 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:28:12,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:12,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:12,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:28:12,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:28:12,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:28:12,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:28:12,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-13 02:28:12,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:12,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:28:12,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:12,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:28:12,898 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:28:12,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:12,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:12,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:12,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-13 02:28:12,915 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:28:12,916 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:94, output treesize:79 [2021-11-13 02:28:12,928 INFO L180 QuantifierPusher]: treesize reduction 8, result has 93.4 percent of original size [2021-11-13 02:28:12,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-13 02:28:12,943 INFO L180 QuantifierPusher]: treesize reduction 8, result has 93.8 percent of original size [2021-11-13 02:28:12,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-13 02:28:12,957 INFO L180 QuantifierPusher]: treesize reduction 8, result has 93.4 percent of original size [2021-11-13 02:28:12,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-13 02:28:12,969 INFO L180 QuantifierPusher]: treesize reduction 8, result has 93.8 percent of original size [2021-11-13 02:28:12,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-13 02:28:12,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,142 INFO L180 QuantifierPusher]: treesize reduction 39, result has 79.1 percent of original size [2021-11-13 02:28:13,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:13,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:13,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:13,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 02:28:13,168 INFO L180 QuantifierPusher]: treesize reduction 39, result has 79.9 percent of original size [2021-11-13 02:28:13,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-13 02:28:13,194 INFO L180 QuantifierPusher]: treesize reduction 39, result has 79.1 percent of original size [2021-11-13 02:28:13,202 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:13,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:13,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:13,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 02:28:13,223 INFO L180 QuantifierPusher]: treesize reduction 39, result has 79.9 percent of original size [2021-11-13 02:28:13,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-13 02:28:13,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,289 INFO L180 QuantifierPusher]: treesize reduction 39, result has 78.0 percent of original size [2021-11-13 02:28:13,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-13 02:28:13,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:13,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 02:28:13,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:13,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-13 02:28:13,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:13,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 02:28:13,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:13,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-13 02:28:13,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,514 INFO L180 QuantifierPusher]: treesize reduction 48, result has 76.7 percent of original size [2021-11-13 02:28:13,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:13,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:13,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:13,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 02:28:13,539 INFO L180 QuantifierPusher]: treesize reduction 48, result has 77.5 percent of original size [2021-11-13 02:28:13,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-13 02:28:13,558 INFO L180 QuantifierPusher]: treesize reduction 48, result has 76.7 percent of original size [2021-11-13 02:28:13,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:13,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:13,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:13,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 02:28:13,588 INFO L180 QuantifierPusher]: treesize reduction 48, result has 77.5 percent of original size [2021-11-13 02:28:13,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-13 02:28:13,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:13,815 INFO L180 QuantifierPusher]: treesize reduction 18, result has 94.4 percent of original size [2021-11-13 02:28:13,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-13 02:28:13,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:13,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:13,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:13,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-11-13 02:28:13,885 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:13,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:13,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-11-13 02:28:13,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:13,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:13,943 INFO L185 QuantifierPusher]: treesize reduction 24, result has 89.0 percent of original size 195 [2021-11-13 02:28:13,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:13,953 INFO L180 QuantifierPusher]: treesize reduction 24, result has 89.4 percent of original size [2021-11-13 02:28:13,967 INFO L185 QuantifierPusher]: treesize reduction 12, result has 93.5 percent of original size 173 [2021-11-13 02:28:13,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:13,976 INFO L180 QuantifierPusher]: treesize reduction 12, result has 94.2 percent of original size [2021-11-13 02:28:13,991 INFO L185 QuantifierPusher]: treesize reduction 6, result has 96.5 percent of original size 167 [2021-11-13 02:28:13,997 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-13 02:28:14,006 INFO L185 QuantifierPusher]: treesize reduction 18, result has 81.6 percent of original size 80 [2021-11-13 02:28:14,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,037 INFO L185 QuantifierPusher]: treesize reduction 5, result has 98.4 percent of original size 306 [2021-11-13 02:28:14,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-11-13 02:28:14,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-13 02:28:14,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,123 INFO L185 QuantifierPusher]: treesize reduction 20, result has 92.1 percent of original size 232 [2021-11-13 02:28:14,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,136 INFO L180 QuantifierPusher]: treesize reduction 20, result has 92.3 percent of original size [2021-11-13 02:28:14,151 INFO L185 QuantifierPusher]: treesize reduction 35, result has 83.2 percent of original size 173 [2021-11-13 02:28:14,152 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,159 INFO L180 QuantifierPusher]: treesize reduction 35, result has 84.7 percent of original size [2021-11-13 02:28:14,171 INFO L185 QuantifierPusher]: treesize reduction 6, result has 96.5 percent of original size 167 [2021-11-13 02:28:14,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-13 02:28:14,185 INFO L185 QuantifierPusher]: treesize reduction 18, result has 81.6 percent of original size 80 [2021-11-13 02:28:14,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,200 INFO L185 QuantifierPusher]: treesize reduction 5, result has 98.4 percent of original size 306 [2021-11-13 02:28:14,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,448 INFO L180 QuantifierPusher]: treesize reduction 34, result has 90.7 percent of original size [2021-11-13 02:28:14,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,476 INFO L185 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size 244 [2021-11-13 02:28:14,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,488 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-13 02:28:14,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-13 02:28:14,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,514 INFO L185 QuantifierPusher]: treesize reduction 17, result has 93.1 percent of original size 229 [2021-11-13 02:28:14,515 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,533 INFO L180 QuantifierPusher]: treesize reduction 17, result has 93.3 percent of original size [2021-11-13 02:28:14,550 INFO L185 QuantifierPusher]: treesize reduction 34, result has 83.6 percent of original size 173 [2021-11-13 02:28:14,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,559 INFO L180 QuantifierPusher]: treesize reduction 34, result has 85.3 percent of original size [2021-11-13 02:28:14,573 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size 193 [2021-11-13 02:28:14,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:14,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:14,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-13 02:28:14,595 INFO L185 QuantifierPusher]: treesize reduction 21, result has 79.2 percent of original size 80 [2021-11-13 02:28:14,610 INFO L180 QuantifierPusher]: treesize reduction 34, result has 90.9 percent of original size [2021-11-13 02:28:14,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-13 02:28:14,636 INFO L180 QuantifierPusher]: treesize reduction 34, result has 90.7 percent of original size [2021-11-13 02:28:14,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,665 INFO L185 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size 244 [2021-11-13 02:28:14,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,675 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-13 02:28:14,688 INFO L185 QuantifierPusher]: treesize reduction 12, result has 95.1 percent of original size 232 [2021-11-13 02:28:14,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,698 INFO L180 QuantifierPusher]: treesize reduction 12, result has 95.2 percent of original size [2021-11-13 02:28:14,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 231 [2021-11-13 02:28:14,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,724 INFO L185 QuantifierPusher]: treesize reduction 31, result has 84.8 percent of original size 173 [2021-11-13 02:28:14,725 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,734 INFO L180 QuantifierPusher]: treesize reduction 31, result has 86.5 percent of original size [2021-11-13 02:28:14,749 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size 193 [2021-11-13 02:28:14,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:14,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:14,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-13 02:28:14,771 INFO L185 QuantifierPusher]: treesize reduction 21, result has 79.2 percent of original size 80 [2021-11-13 02:28:14,796 INFO L180 QuantifierPusher]: treesize reduction 34, result has 90.9 percent of original size [2021-11-13 02:28:14,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-13 02:28:14,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:14,960 INFO L180 QuantifierPusher]: treesize reduction 30, result has 65.9 percent of original size [2021-11-13 02:28:14,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-13 02:28:14,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,972 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:14,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 02:28:14,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,987 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.8 percent of original size 55 [2021-11-13 02:28:14,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:14,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:14,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:15,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 02:28:15,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,006 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.8 percent of original size 55 [2021-11-13 02:28:15,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,041 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.7 percent of original size [2021-11-13 02:28:15,049 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:28:15,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:28:15,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:28:15,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 02:28:15,067 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.5 percent of original size [2021-11-13 02:28:15,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-13 02:28:15,077 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.7 percent of original size [2021-11-13 02:28:15,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:28:15,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:28:15,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:28:15,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 02:28:15,105 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.5 percent of original size [2021-11-13 02:28:15,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-13 02:28:15,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,134 INFO L180 QuantifierPusher]: treesize reduction 30, result has 65.9 percent of original size [2021-11-13 02:28:15,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-13 02:28:15,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,287 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.6 percent of original size [2021-11-13 02:28:15,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-13 02:28:15,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-13 02:28:15,303 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-13 02:28:15,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-13 02:28:15,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,326 INFO L185 QuantifierPusher]: treesize reduction 6, result has 94.6 percent of original size 106 [2021-11-13 02:28:15,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,331 INFO L180 QuantifierPusher]: treesize reduction 6, result has 95.0 percent of original size [2021-11-13 02:28:15,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-13 02:28:15,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-13 02:28:15,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,352 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.9 percent of original size 94 [2021-11-13 02:28:15,354 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.9 percent of original size 94 [2021-11-13 02:28:15,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,361 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:15,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-13 02:28:15,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-13 02:28:15,378 INFO L180 QuantifierPusher]: treesize reduction 5, result has 98.2 percent of original size [2021-11-13 02:28:15,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,412 INFO L185 QuantifierPusher]: treesize reduction 27, result has 88.2 percent of original size 201 [2021-11-13 02:28:15,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,420 INFO L180 QuantifierPusher]: treesize reduction 27, result has 88.4 percent of original size [2021-11-13 02:28:15,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,436 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 81 [2021-11-13 02:28:15,444 INFO L185 QuantifierPusher]: treesize reduction 11, result has 94.2 percent of original size 178 [2021-11-13 02:28:15,449 INFO L185 QuantifierPusher]: treesize reduction 11, result has 94.2 percent of original size 178 [2021-11-13 02:28:15,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 02:28:15,488 INFO L185 QuantifierPusher]: treesize reduction 24, result has 80.6 percent of original size 100 [2021-11-13 02:28:15,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:28:15,494 INFO L185 QuantifierPusher]: treesize reduction 24, result has 81.3 percent of original size 104 [2021-11-13 02:28:15,498 INFO L185 QuantifierPusher]: treesize reduction 24, result has 81.3 percent of original size 104 [2021-11-13 02:28:15,505 INFO L180 QuantifierPusher]: treesize reduction 5, result has 98.2 percent of original size [2021-11-13 02:28:15,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-11-13 02:28:15,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,562 INFO L180 QuantifierPusher]: treesize reduction 5, result has 98.2 percent of original size [2021-11-13 02:28:15,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2021-11-13 02:28:15,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,607 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 81 [2021-11-13 02:28:15,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,615 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 81 [2021-11-13 02:28:15,623 INFO L185 QuantifierPusher]: treesize reduction 6, result has 97.7 percent of original size 253 [2021-11-13 02:28:15,631 INFO L185 QuantifierPusher]: treesize reduction 6, result has 97.7 percent of original size 253 [2021-11-13 02:28:15,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:15,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 02:28:15,667 INFO L185 QuantifierPusher]: treesize reduction 51, result has 67.5 percent of original size 106 [2021-11-13 02:28:15,669 INFO L185 QuantifierPusher]: treesize reduction 51, result has 67.5 percent of original size 106 [2021-11-13 02:28:15,694 INFO L180 QuantifierPusher]: treesize reduction 5, result has 98.2 percent of original size [2021-11-13 02:28:15,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-11-13 02:28:15,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,771 INFO L180 QuantifierPusher]: treesize reduction 30, result has 71.7 percent of original size [2021-11-13 02:28:15,774 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:28:15,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:28:15,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:15,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:15,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:28:15,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 02:28:15,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:15,811 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 33 for LOIs [2021-11-13 02:28:15,817 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 02:28:17,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 02:28:17,220 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 02:28:17,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-11-13 02:28:17,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238404609] [2021-11-13 02:28:17,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 02:28:17,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 02:28:17,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:28:17,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 02:28:17,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2021-11-13 02:28:17,223 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2021-11-13 02:28:17,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:28:17,291 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2021-11-13 02:28:17,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 02:28:17,292 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.7) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 24 [2021-11-13 02:28:17,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:28:17,293 INFO L225 Difference]: With dead ends: 34 [2021-11-13 02:28:17,293 INFO L226 Difference]: Without dead ends: 32 [2021-11-13 02:28:17,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-11-13 02:28:17,302 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 6 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.66ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.39ms IncrementalHoareTripleChecker+Time [2021-11-13 02:28:17,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 56 Invalid, 53 Unknown, 0 Unchecked, 1.66ms Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 47.39ms Time] [2021-11-13 02:28:17,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-13 02:28:17,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2021-11-13 02:28:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 20 states have (on average 1.05) internal successors, (21), 21 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-13 02:28:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2021-11-13 02:28:17,316 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 24 [2021-11-13 02:28:17,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:28:17,317 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2021-11-13 02:28:17,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.7) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2021-11-13 02:28:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2021-11-13 02:28:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 02:28:17,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:28:17,319 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2021-11-13 02:28:17,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:28:17,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:28:17,548 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:28:17,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:28:17,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1617914326, now seen corresponding path program 2 times [2021-11-13 02:28:17,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:28:17,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464837834] [2021-11-13 02:28:17,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:17,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:28:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:28:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-13 02:28:17,625 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:28:17,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464837834] [2021-11-13 02:28:17,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464837834] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 02:28:17,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354169776] [2021-11-13 02:28:17,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 02:28:17,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:28:17,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:28:17,627 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:28:17,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 02:28:17,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 02:28:17,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 02:28:17,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 02:28:17,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:28:17,774 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-13 02:28:17,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:28:17,865 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-13 02:28:17,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354169776] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:28:17,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1592659223] [2021-11-13 02:28:17,875 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-13 02:28:17,876 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 02:28:17,876 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 02:28:17,876 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 02:28:17,876 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 02:28:17,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:17,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:17,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:17,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-13 02:28:17,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:17,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:17,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-13 02:28:17,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-13 02:28:17,901 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_9|], 10=[|v_#valid_10|]} [2021-11-13 02:28:17,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:28:17,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-13 02:28:17,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:17,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:28:17,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:17,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:28:17,912 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:28:17,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:17,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:17,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:28:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:28:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:28:17,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:28:17,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-13 02:28:17,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:17,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:28:17,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:17,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:28:17,936 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:28:17,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:17,938 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:17,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:17,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-13 02:28:17,941 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:28:17,941 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:94, output treesize:79 [2021-11-13 02:28:17,949 INFO L180 QuantifierPusher]: treesize reduction 8, result has 93.4 percent of original size [2021-11-13 02:28:17,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-13 02:28:17,956 INFO L180 QuantifierPusher]: treesize reduction 8, result has 93.8 percent of original size [2021-11-13 02:28:17,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-13 02:28:17,964 INFO L180 QuantifierPusher]: treesize reduction 8, result has 93.4 percent of original size [2021-11-13 02:28:17,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-13 02:28:17,970 INFO L180 QuantifierPusher]: treesize reduction 8, result has 93.8 percent of original size [2021-11-13 02:28:17,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-13 02:28:17,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:17,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:17,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:17,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:17,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:17,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,043 INFO L180 QuantifierPusher]: treesize reduction 39, result has 79.1 percent of original size [2021-11-13 02:28:18,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:18,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 02:28:18,055 INFO L180 QuantifierPusher]: treesize reduction 39, result has 79.9 percent of original size [2021-11-13 02:28:18,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-13 02:28:18,065 INFO L180 QuantifierPusher]: treesize reduction 39, result has 79.1 percent of original size [2021-11-13 02:28:18,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:18,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 02:28:18,076 INFO L180 QuantifierPusher]: treesize reduction 39, result has 79.9 percent of original size [2021-11-13 02:28:18,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-13 02:28:18,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,118 INFO L180 QuantifierPusher]: treesize reduction 39, result has 78.0 percent of original size [2021-11-13 02:28:18,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-13 02:28:18,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 02:28:18,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-13 02:28:18,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 02:28:18,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-13 02:28:18,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,229 INFO L180 QuantifierPusher]: treesize reduction 48, result has 76.7 percent of original size [2021-11-13 02:28:18,232 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:18,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 02:28:18,241 INFO L180 QuantifierPusher]: treesize reduction 48, result has 77.5 percent of original size [2021-11-13 02:28:18,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-13 02:28:18,252 INFO L180 QuantifierPusher]: treesize reduction 48, result has 76.7 percent of original size [2021-11-13 02:28:18,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:18,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 02:28:18,264 INFO L180 QuantifierPusher]: treesize reduction 48, result has 77.5 percent of original size [2021-11-13 02:28:18,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-13 02:28:18,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,391 INFO L180 QuantifierPusher]: treesize reduction 18, result has 94.4 percent of original size [2021-11-13 02:28:18,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-13 02:28:18,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,414 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-11-13 02:28:18,429 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-11-13 02:28:18,443 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,457 INFO L185 QuantifierPusher]: treesize reduction 24, result has 89.0 percent of original size 195 [2021-11-13 02:28:18,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,483 INFO L180 QuantifierPusher]: treesize reduction 24, result has 89.4 percent of original size [2021-11-13 02:28:18,493 INFO L185 QuantifierPusher]: treesize reduction 12, result has 93.5 percent of original size 173 [2021-11-13 02:28:18,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,499 INFO L180 QuantifierPusher]: treesize reduction 12, result has 94.2 percent of original size [2021-11-13 02:28:18,510 INFO L185 QuantifierPusher]: treesize reduction 6, result has 96.5 percent of original size 167 [2021-11-13 02:28:18,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-13 02:28:18,521 INFO L185 QuantifierPusher]: treesize reduction 18, result has 81.6 percent of original size 80 [2021-11-13 02:28:18,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,533 INFO L185 QuantifierPusher]: treesize reduction 5, result has 98.4 percent of original size 306 [2021-11-13 02:28:18,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-11-13 02:28:18,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-13 02:28:18,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,610 INFO L185 QuantifierPusher]: treesize reduction 13, result has 94.6 percent of original size 229 [2021-11-13 02:28:18,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,617 INFO L180 QuantifierPusher]: treesize reduction 13, result has 94.8 percent of original size [2021-11-13 02:28:18,631 INFO L185 QuantifierPusher]: treesize reduction 27, result has 87.5 percent of original size 189 [2021-11-13 02:28:18,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,637 INFO L180 QuantifierPusher]: treesize reduction 27, result has 88.8 percent of original size [2021-11-13 02:28:18,647 INFO L185 QuantifierPusher]: treesize reduction 9, result has 94.9 percent of original size 167 [2021-11-13 02:28:18,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-13 02:28:18,658 INFO L185 QuantifierPusher]: treesize reduction 18, result has 81.6 percent of original size 80 [2021-11-13 02:28:18,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,669 INFO L185 QuantifierPusher]: treesize reduction 5, result has 98.4 percent of original size 306 [2021-11-13 02:28:18,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:18,875 INFO L180 QuantifierPusher]: treesize reduction 34, result has 90.7 percent of original size [2021-11-13 02:28:18,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,908 INFO L185 QuantifierPusher]: treesize reduction 12, result has 95.4 percent of original size 250 [2021-11-13 02:28:18,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,919 INFO L180 QuantifierPusher]: treesize reduction 12, result has 95.5 percent of original size [2021-11-13 02:28:18,932 INFO L185 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size 232 [2021-11-13 02:28:18,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,939 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-13 02:28:18,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 231 [2021-11-13 02:28:18,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,959 INFO L185 QuantifierPusher]: treesize reduction 31, result has 84.8 percent of original size 173 [2021-11-13 02:28:18,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,964 INFO L180 QuantifierPusher]: treesize reduction 31, result has 86.5 percent of original size [2021-11-13 02:28:18,974 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size 193 [2021-11-13 02:28:18,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:18,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:18,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:18,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:18,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-13 02:28:18,990 INFO L185 QuantifierPusher]: treesize reduction 21, result has 79.2 percent of original size 80 [2021-11-13 02:28:19,001 INFO L180 QuantifierPusher]: treesize reduction 34, result has 90.9 percent of original size [2021-11-13 02:28:19,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-13 02:28:19,024 INFO L180 QuantifierPusher]: treesize reduction 34, result has 90.7 percent of original size [2021-11-13 02:28:19,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,044 INFO L185 QuantifierPusher]: treesize reduction 10, result has 96.1 percent of original size 245 [2021-11-13 02:28:19,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,052 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.2 percent of original size [2021-11-13 02:28:19,064 INFO L185 QuantifierPusher]: treesize reduction 6, result has 97.4 percent of original size 227 [2021-11-13 02:28:19,065 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,071 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-13 02:28:19,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-13 02:28:19,078 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,090 INFO L185 QuantifierPusher]: treesize reduction 34, result has 83.6 percent of original size 173 [2021-11-13 02:28:19,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,095 INFO L180 QuantifierPusher]: treesize reduction 34, result has 85.3 percent of original size [2021-11-13 02:28:19,105 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.5 percent of original size 193 [2021-11-13 02:28:19,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:19,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:19,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-13 02:28:19,119 INFO L185 QuantifierPusher]: treesize reduction 21, result has 79.2 percent of original size 80 [2021-11-13 02:28:19,131 INFO L180 QuantifierPusher]: treesize reduction 34, result has 90.9 percent of original size [2021-11-13 02:28:19,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-13 02:28:19,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,288 INFO L180 QuantifierPusher]: treesize reduction 30, result has 65.9 percent of original size [2021-11-13 02:28:19,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-13 02:28:19,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:19,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 02:28:19,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,301 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.8 percent of original size 55 [2021-11-13 02:28:19,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:19,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 02:28:19,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,314 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.8 percent of original size 55 [2021-11-13 02:28:19,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,344 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.7 percent of original size [2021-11-13 02:28:19,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:28:19,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:28:19,353 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:28:19,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 02:28:19,359 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.5 percent of original size [2021-11-13 02:28:19,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-13 02:28:19,365 INFO L180 QuantifierPusher]: treesize reduction 36, result has 68.7 percent of original size [2021-11-13 02:28:19,369 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:28:19,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:28:19,375 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:28:19,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 02:28:19,380 INFO L180 QuantifierPusher]: treesize reduction 36, result has 70.5 percent of original size [2021-11-13 02:28:19,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-13 02:28:19,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,401 INFO L180 QuantifierPusher]: treesize reduction 30, result has 65.9 percent of original size [2021-11-13 02:28:19,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-13 02:28:19,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,525 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.6 percent of original size [2021-11-13 02:28:19,529 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-11-13 02:28:19,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-11-13 02:28:19,539 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-13 02:28:19,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 02:28:19,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 02:28:19,555 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-13 02:28:19,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-13 02:28:19,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,571 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.9 percent of original size 94 [2021-11-13 02:28:19,573 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.9 percent of original size 94 [2021-11-13 02:28:19,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:19,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-13 02:28:19,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-13 02:28:19,589 INFO L180 QuantifierPusher]: treesize reduction 5, result has 98.2 percent of original size [2021-11-13 02:28:19,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 277 [2021-11-13 02:28:19,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,632 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 81 [2021-11-13 02:28:19,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,637 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 81 [2021-11-13 02:28:19,644 INFO L185 QuantifierPusher]: treesize reduction 6, result has 97.7 percent of original size 253 [2021-11-13 02:28:19,651 INFO L185 QuantifierPusher]: treesize reduction 6, result has 97.7 percent of original size 253 [2021-11-13 02:28:19,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 02:28:19,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 02:28:19,674 INFO L185 QuantifierPusher]: treesize reduction 51, result has 67.5 percent of original size 106 [2021-11-13 02:28:19,677 INFO L185 QuantifierPusher]: treesize reduction 51, result has 67.5 percent of original size 106 [2021-11-13 02:28:19,683 INFO L180 QuantifierPusher]: treesize reduction 5, result has 98.2 percent of original size [2021-11-13 02:28:19,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-11-13 02:28:19,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,727 INFO L180 QuantifierPusher]: treesize reduction 5, result has 98.2 percent of original size [2021-11-13 02:28:19,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,746 INFO L185 QuantifierPusher]: treesize reduction 27, result has 87.7 percent of original size 193 [2021-11-13 02:28:19,746 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,751 INFO L180 QuantifierPusher]: treesize reduction 27, result has 88.0 percent of original size [2021-11-13 02:28:19,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,761 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.4 percent of original size 81 [2021-11-13 02:28:19,765 INFO L185 QuantifierPusher]: treesize reduction 6, result has 96.7 percent of original size 178 [2021-11-13 02:28:19,770 INFO L185 QuantifierPusher]: treesize reduction 6, result has 96.7 percent of original size 178 [2021-11-13 02:28:19,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 02:28:19,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 02:28:19,787 INFO L185 QuantifierPusher]: treesize reduction 24, result has 81.5 percent of original size 106 [2021-11-13 02:28:19,789 INFO L185 QuantifierPusher]: treesize reduction 24, result has 81.5 percent of original size 106 [2021-11-13 02:28:19,795 INFO L180 QuantifierPusher]: treesize reduction 5, result has 98.2 percent of original size [2021-11-13 02:28:19,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-11-13 02:28:19,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,862 INFO L180 QuantifierPusher]: treesize reduction 30, result has 71.7 percent of original size [2021-11-13 02:28:19,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:28:19,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-13 02:28:19,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:28:19,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:28:19,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 02:28:19,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 02:28:19,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:28:19,885 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 33 for LOIs [2021-11-13 02:28:19,889 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 02:28:21,044 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 02:28:21,045 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 02:28:21,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2021-11-13 02:28:21,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608682685] [2021-11-13 02:28:21,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 02:28:21,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 02:28:21,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:28:21,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 02:28:21,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-11-13 02:28:21,047 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 02:28:21,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:28:21,103 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2021-11-13 02:28:21,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 02:28:21,103 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2021-11-13 02:28:21,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:28:21,104 INFO L225 Difference]: With dead ends: 31 [2021-11-13 02:28:21,104 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 02:28:21,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 96 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-11-13 02:28:21,105 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.73ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.25ms IncrementalHoareTripleChecker+Time [2021-11-13 02:28:21,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 26 Invalid, 31 Unknown, 0 Unchecked, 0.73ms Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 27.25ms Time] [2021-11-13 02:28:21,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 02:28:21,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 02:28:21,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:28:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 02:28:21,107 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-11-13 02:28:21,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:28:21,107 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 02:28:21,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 02:28:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 02:28:21,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 02:28:21,110 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 02:28:21,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:28:21,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:28:21,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 02:28:21,381 INFO L858 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2021-11-13 02:28:21,382 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 02:28:21,382 INFO L861 garLoopResultBuilder]: At program point L44(lines 25 45) the Hoare annotation is: true [2021-11-13 02:28:21,382 INFO L858 garLoopResultBuilder]: For program point L42(lines 38 43) no Hoare annotation was computed. [2021-11-13 02:28:21,382 INFO L854 garLoopResultBuilder]: At program point L38-2(lines 38 43) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~glob2_p_off~0#1|) (<= |ULTIMATE.start_main_~glob2_pathlim_off~0#1| |ULTIMATE.start_main_~MAXPATHLEN~0#1|)) [2021-11-13 02:28:21,383 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 02:28:21,383 INFO L854 garLoopResultBuilder]: At program point L41(line 41) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~glob2_p_off~0#1|) (<= |ULTIMATE.start_main_~glob2_pathlim_off~0#1| |ULTIMATE.start_main_~MAXPATHLEN~0#1|) (<= |ULTIMATE.start_main_~glob2_p_off~0#1| |ULTIMATE.start_main_~MAXPATHLEN~0#1|)) [2021-11-13 02:28:21,385 INFO L854 garLoopResultBuilder]: At program point L41-1(line 41) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~glob2_p_off~0#1|) (<= |ULTIMATE.start_main_~glob2_pathlim_off~0#1| |ULTIMATE.start_main_~MAXPATHLEN~0#1|) (<= |ULTIMATE.start_main_~glob2_p_off~0#1| |ULTIMATE.start_main_~MAXPATHLEN~0#1|)) [2021-11-13 02:28:21,385 INFO L858 garLoopResultBuilder]: For program point L18-2(lines 17 22) no Hoare annotation was computed. [2021-11-13 02:28:21,385 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2021-11-13 02:28:21,385 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 17 22) no Hoare annotation was computed. [2021-11-13 02:28:21,385 INFO L858 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2021-11-13 02:28:21,386 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-11-13 02:28:21,386 INFO L858 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2021-11-13 02:28:21,392 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2021-11-13 02:28:21,393 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 02:28:21,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:28:21 BoogieIcfgContainer [2021-11-13 02:28:21,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 02:28:21,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 02:28:21,411 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 02:28:21,411 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 02:28:21,411 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:28:11" (3/4) ... [2021-11-13 02:28:21,414 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 02:28:21,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-13 02:28:21,426 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-13 02:28:21,426 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-13 02:28:21,426 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 02:28:21,426 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 02:28:21,464 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 02:28:21,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 02:28:21,471 INFO L158 Benchmark]: Toolchain (without parser) took 10678.18ms. Allocated memory was 98.6MB in the beginning and 264.2MB in the end (delta: 165.7MB). Free memory was 62.4MB in the beginning and 181.0MB in the end (delta: -118.6MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2021-11-13 02:28:21,471 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:28:21,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.88ms. Allocated memory is still 98.6MB. Free memory was 62.1MB in the beginning and 75.0MB in the end (delta: -12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 02:28:21,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.51ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 73.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:28:21,472 INFO L158 Benchmark]: Boogie Preprocessor took 19.28ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 72.7MB in the end (delta: 954.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:28:21,472 INFO L158 Benchmark]: RCFGBuilder took 253.21ms. Allocated memory is still 98.6MB. Free memory was 72.4MB in the beginning and 62.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 02:28:21,472 INFO L158 Benchmark]: TraceAbstraction took 10046.17ms. Allocated memory was 98.6MB in the beginning and 264.2MB in the end (delta: 165.7MB). Free memory was 62.3MB in the beginning and 183.1MB in the end (delta: -120.8MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2021-11-13 02:28:21,472 INFO L158 Benchmark]: Witness Printer took 59.90ms. Allocated memory is still 264.2MB. Free memory was 183.1MB in the beginning and 181.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 02:28:21,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.88ms. Allocated memory is still 98.6MB. Free memory was 62.1MB in the beginning and 75.0MB in the end (delta: -12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.51ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 73.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.28ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 72.7MB in the end (delta: 954.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 253.21ms. Allocated memory is still 98.6MB. Free memory was 72.4MB in the beginning and 62.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 10046.17ms. Allocated memory was 98.6MB in the beginning and 264.2MB in the end (delta: 165.7MB). Free memory was 62.3MB in the beginning and 183.1MB in the end (delta: -120.8MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Witness Printer took 59.90ms. Allocated memory is still 264.2MB. Free memory was 183.1MB in the beginning and 181.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 4, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 188.57ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 126.82ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 37 mSDtfsCounter, 136 mSolverCounterSat, 7.20ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 157 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 12 PreInvPairs, 23 NumberOfFragments, 29 HoareAnnotationTreeSize, 12 FomulaSimplifications, 14 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 102 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 139 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 399 SizeOfPredicates, 9 NumberOfNonLiveVariables, 149 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 224/245 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 0 <= glob2_p_off && glob2_pathlim_off <= MAXPATHLEN RESULT: Ultimate proved your program to be correct! [2021-11-13 02:28:21,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b8756ee-1073-4316-a3fb-8964c2105643/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE