./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce305d75684696e5fabb4c8d08830bbd90a67b7669f979309850a29850c4f917 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:18:48,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:18:48,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:18:49,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:18:49,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:18:49,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:18:49,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:18:49,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:18:49,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:18:49,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:18:49,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:18:49,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:18:49,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:18:49,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:18:49,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:18:49,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:18:49,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:18:49,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:18:49,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:18:49,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:18:49,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:18:49,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:18:49,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:18:49,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:18:49,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:18:49,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:18:49,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:18:49,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:18:49,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:18:49,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:18:49,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:18:49,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:18:49,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:18:49,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:18:49,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:18:49,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:18:49,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:18:49,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:18:49,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:18:49,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:18:49,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:18:49,146 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-19 13:18:49,191 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:18:49,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:18:49,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:18:49,193 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:18:49,193 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:18:49,193 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:18:49,193 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:18:49,194 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:18:49,194 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:18:49,194 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:18:49,194 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:18:49,195 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:18:49,195 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:18:49,195 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:18:49,195 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:18:49,196 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:18:49,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 13:18:49,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 13:18:49,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:18:49,197 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:18:49,197 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 13:18:49,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:18:49,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:18:49,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:18:49,198 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 13:18:49,199 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 13:18:49,199 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 13:18:49,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:18:49,199 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:18:49,200 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:18:49,200 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:18:49,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:18:49,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:18:49,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:18:49,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:18:49,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:18:49,201 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:18:49,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:18:49,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:18:49,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:18:49,202 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_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce305d75684696e5fabb4c8d08830bbd90a67b7669f979309850a29850c4f917 [2021-11-19 13:18:49,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:18:49,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:18:49,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:18:49,529 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:18:49,531 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:18:49,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2021-11-19 13:18:49,610 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/data/849d8e44a/e19122a359c94c25b551593f4ffa0af2/FLAG9f5e7a374 [2021-11-19 13:18:50,217 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:18:50,218 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2021-11-19 13:18:50,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/data/849d8e44a/e19122a359c94c25b551593f4ffa0af2/FLAG9f5e7a374 [2021-11-19 13:18:50,592 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/data/849d8e44a/e19122a359c94c25b551593f4ffa0af2 [2021-11-19 13:18:50,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:18:50,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:18:50,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:18:50,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:18:50,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:18:50,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:18:50" (1/1) ... [2021-11-19 13:18:50,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427cf8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:50, skipping insertion in model container [2021-11-19 13:18:50,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:18:50" (1/1) ... [2021-11-19 13:18:50,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:18:50,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:18:51,012 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:18:51,020 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:18:51,098 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:18:51,133 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:18:51,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:51 WrapperNode [2021-11-19 13:18:51,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:18:51,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:18:51,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:18:51,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:18:51,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:51" (1/1) ... [2021-11-19 13:18:51,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:51" (1/1) ... [2021-11-19 13:18:51,198 INFO L137 Inliner]: procedures = 118, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2021-11-19 13:18:51,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:18:51,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:18:51,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:18:51,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:18:51,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:51" (1/1) ... [2021-11-19 13:18:51,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:51" (1/1) ... [2021-11-19 13:18:51,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:51" (1/1) ... [2021-11-19 13:18:51,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:51" (1/1) ... [2021-11-19 13:18:51,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:51" (1/1) ... [2021-11-19 13:18:51,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:51" (1/1) ... [2021-11-19 13:18:51,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:51" (1/1) ... [2021-11-19 13:18:51,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:18:51,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:18:51,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:18:51,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:18:51,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:51" (1/1) ... [2021-11-19 13:18:51,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:18:51,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:18:51,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:18:51,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:18:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 13:18:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2021-11-19 13:18:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2021-11-19 13:18:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 13:18:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:18:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:18:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:18:51,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:18:51,428 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:18:51,430 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:18:51,681 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:18:51,764 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:18:51,765 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 13:18:51,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:18:51 BoogieIcfgContainer [2021-11-19 13:18:51,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:18:51,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:18:51,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:18:51,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:18:51,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:18:50" (1/3) ... [2021-11-19 13:18:51,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7607a3ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:18:51, skipping insertion in model container [2021-11-19 13:18:51,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:51" (2/3) ... [2021-11-19 13:18:51,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7607a3ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:18:51, skipping insertion in model container [2021-11-19 13:18:51,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:18:51" (3/3) ... [2021-11-19 13:18:51,780 INFO L111 eAbstractionObserver]: Analyzing ICFG cstrpbrk_unsafe.i [2021-11-19 13:18:51,786 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:18:51,787 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2021-11-19 13:18:51,831 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:18:51,839 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2021-11-19 13:18:51,840 INFO L340 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2021-11-19 13:18:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 26 states have (on average 2.1538461538461537) internal successors, (56), 49 states have internal predecessors, (56), 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) [2021-11-19 13:18:51,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-19 13:18:51,866 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:18:51,866 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-19 13:18:51,867 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting build_nondet_StringErr2REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-19 13:18:51,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:18:51,873 INFO L85 PathProgramCache]: Analyzing trace with hash 147595459, now seen corresponding path program 1 times [2021-11-19 13:18:51,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:18:51,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444191775] [2021-11-19 13:18:51,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:18:51,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:18:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:18:52,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:18:52,125 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:18:52,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444191775] [2021-11-19 13:18:52,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444191775] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:18:52,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:18:52,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 13:18:52,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659930462] [2021-11-19 13:18:52,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:18:52,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:18:52,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:18:52,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:18:52,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:18:52,173 INFO L87 Difference]: Start difference. First operand has 53 states, 26 states have (on average 2.1538461538461537) internal successors, (56), 49 states have internal predecessors, (56), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-19 13:18:52,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:18:52,348 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2021-11-19 13:18:52,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:18:52,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 5 [2021-11-19 13:18:52,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:18:52,387 INFO L225 Difference]: With dead ends: 51 [2021-11-19 13:18:52,387 INFO L226 Difference]: Without dead ends: 50 [2021-11-19 13:18:52,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:18:52,401 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 5 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:18:52,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 70 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:18:52,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-11-19 13:18:52,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-11-19 13:18:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 46 states have internal predecessors, (51), 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) [2021-11-19 13:18:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2021-11-19 13:18:52,463 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 5 [2021-11-19 13:18:52,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:18:52,464 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2021-11-19 13:18:52,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-19 13:18:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2021-11-19 13:18:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-19 13:18:52,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:18:52,466 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-19 13:18:52,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 13:18:52,467 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting build_nondet_StringErr3REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-19 13:18:52,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:18:52,473 INFO L85 PathProgramCache]: Analyzing trace with hash 147595460, now seen corresponding path program 1 times [2021-11-19 13:18:52,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:18:52,474 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921233522] [2021-11-19 13:18:52,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:18:52,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:18:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:18:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:18:52,596 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:18:52,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921233522] [2021-11-19 13:18:52,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921233522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:18:52,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:18:52,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 13:18:52,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12208341] [2021-11-19 13:18:52,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:18:52,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:18:52,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:18:52,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:18:52,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:18:52,600 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-19 13:18:52,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:18:52,670 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2021-11-19 13:18:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:18:52,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 5 [2021-11-19 13:18:52,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:18:52,674 INFO L225 Difference]: With dead ends: 49 [2021-11-19 13:18:52,674 INFO L226 Difference]: Without dead ends: 49 [2021-11-19 13:18:52,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:18:52,676 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:18:52,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 74 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:18:52,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-19 13:18:52,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-11-19 13:18:52,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 26 states have (on average 1.9230769230769231) internal successors, (50), 45 states have internal predecessors, (50), 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) [2021-11-19 13:18:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2021-11-19 13:18:52,696 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 5 [2021-11-19 13:18:52,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:18:52,697 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2021-11-19 13:18:52,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-11-19 13:18:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2021-11-19 13:18:52,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-19 13:18:52,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:18:52,700 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-19 13:18:52,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 13:18:52,705 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting build_nondet_StringErr1REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-19 13:18:52,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:18:52,706 INFO L85 PathProgramCache]: Analyzing trace with hash 147591824, now seen corresponding path program 1 times [2021-11-19 13:18:52,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:18:52,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880119673] [2021-11-19 13:18:52,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:18:52,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:18:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:18:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:18:52,830 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:18:52,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880119673] [2021-11-19 13:18:52,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880119673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:18:52,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:18:52,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 13:18:52,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858248789] [2021-11-19 13:18:52,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:18:52,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:18:52,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:18:52,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:18:52,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:18:52,833 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2021-11-19 13:18:52,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:18:52,941 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2021-11-19 13:18:52,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:18:52,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 5 [2021-11-19 13:18:52,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:18:52,944 INFO L225 Difference]: With dead ends: 53 [2021-11-19 13:18:52,945 INFO L226 Difference]: Without dead ends: 53 [2021-11-19 13:18:52,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:18:52,947 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 3 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:18:52,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 107 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:18:52,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-19 13:18:52,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2021-11-19 13:18:52,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 28 states have (on average 1.8928571428571428) internal successors, (53), 47 states have internal predecessors, (53), 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) [2021-11-19 13:18:52,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2021-11-19 13:18:52,957 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 5 [2021-11-19 13:18:52,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:18:52,958 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2021-11-19 13:18:52,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2021-11-19 13:18:52,958 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2021-11-19 13:18:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 13:18:52,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:18:52,959 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-11-19 13:18:52,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 13:18:52,959 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting build_nondet_StringErr1REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-19 13:18:52,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:18:52,960 INFO L85 PathProgramCache]: Analyzing trace with hash 101924445, now seen corresponding path program 1 times [2021-11-19 13:18:52,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:18:52,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196393325] [2021-11-19 13:18:52,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:18:52,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:18:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:18:53,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:18:53,073 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:18:53,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196393325] [2021-11-19 13:18:53,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196393325] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 13:18:53,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62995708] [2021-11-19 13:18:53,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:18:53,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:18:53,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:18:53,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 13:18:53,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 13:18:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:18:53,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 13:18:53,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:18:53,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 13:18:53,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:18:53,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:18:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:18:53,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62995708] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:18:53,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [517605910] [2021-11-19 13:18:53,592 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-11-19 13:18:53,592 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 13:18:53,597 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 13:18:53,604 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 13:18:53,604 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 13:18:53,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:53,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:18:53,641 INFO L197 IcfgInterpreter]: Interpreting procedure build_nondet_String with input of size 19 for LOIs [2021-11-19 13:18:53,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:53,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:53,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:53,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 13:18:53,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-19 13:18:53,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:53,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:53,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:53,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 13:18:53,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-19 13:18:53,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:53,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:53,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:53,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:53,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:53,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:53,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:53,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:53,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:53,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:53,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-19 13:18:53,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 13:18:53,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:53,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:53,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 13:18:53,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-19 13:18:53,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-19 13:18:53,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:53,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:18:53,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:53,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:18:53,787 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:18:53,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:53,798 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:53,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:53,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 13:18:53,804 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:18:53,805 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:43 [2021-11-19 13:18:53,810 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 13:18:53,933 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 13:18:53,933 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 13:18:53,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-11-19 13:18:53,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705791023] [2021-11-19 13:18:53,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 13:18:53,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 13:18:53,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:18:53,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 13:18:53,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-19 13:18:53,939 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 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) [2021-11-19 13:18:54,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:18:54,163 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2021-11-19 13:18:54,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:18:54,164 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 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 [2021-11-19 13:18:54,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:18:54,165 INFO L225 Difference]: With dead ends: 55 [2021-11-19 13:18:54,165 INFO L226 Difference]: Without dead ends: 55 [2021-11-19 13:18:54,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2021-11-19 13:18:54,167 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 18 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:18:54,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 142 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:18:54,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-19 13:18:54,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2021-11-19 13:18:54,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 26 states have (on average 1.8846153846153846) internal successors, (49), 44 states have internal predecessors, (49), 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) [2021-11-19 13:18:54,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2021-11-19 13:18:54,175 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 7 [2021-11-19 13:18:54,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:18:54,176 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2021-11-19 13:18:54,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 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) [2021-11-19 13:18:54,176 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2021-11-19 13:18:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 13:18:54,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:18:54,177 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:18:54,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:18:54,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:18:54,378 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-19 13:18:54,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:18:54,378 INFO L85 PathProgramCache]: Analyzing trace with hash 96847641, now seen corresponding path program 1 times [2021-11-19 13:18:54,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:18:54,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207344460] [2021-11-19 13:18:54,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:18:54,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:18:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:18:54,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:18:54,555 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:18:54,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207344460] [2021-11-19 13:18:54,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207344460] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 13:18:54,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561345423] [2021-11-19 13:18:54,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:18:54,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:18:54,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:18:54,558 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 13:18:54,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 13:18:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:18:54,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-19 13:18:54,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:18:54,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 13:18:54,810 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-19 13:18:54,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-19 13:18:54,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:18:54,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:18:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:18:55,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561345423] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:18:55,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [714547923] [2021-11-19 13:18:55,905 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-19 13:18:55,905 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 13:18:55,906 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 13:18:55,906 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 13:18:55,906 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 13:18:55,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:18:55,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:55,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:18:55,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:55,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 13:18:55,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:55,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 13:18:55,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-19 13:18:55,942 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_58|], 1=[|v_#valid_77|]} [2021-11-19 13:18:55,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 13:18:55,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:18:55,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:18:55,955 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:18:55,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:18:55,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2021-11-19 13:18:55,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:18:55,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:18:55,964 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:18:55,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:55,970 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-19 13:18:55,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:18:55,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:18:55,980 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:18:55,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:55,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:55,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 13:18:55,998 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:18:55,999 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:72, output treesize:30 [2021-11-19 13:18:56,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,003 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-19 13:18:56,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-19 13:18:56,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-19 13:18:56,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:18:56,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:18:56,019 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:18:56,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-19 13:18:56,036 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:18:56,036 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-19 13:18:56,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:18:56,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:18:56,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:18:56,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,120 INFO L180 QuantifierPusher]: treesize reduction 21, result has 73.4 percent of original size [2021-11-19 13:18:56,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:18:56,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:18:56,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-19 13:18:56,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 13:18:56,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:18:56,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:18:56,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:18:56,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-19 13:18:56,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-11-19 13:18:56,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:18:56,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:18:56,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:18:56,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:18:56,185 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 13:18:56,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-19 13:18:56,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:18:56,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:18:56,200 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:18:56,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,204 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-19 13:18:56,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:18:56,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:18:56,223 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:18:56,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,228 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-19 13:18:56,233 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:18:56,233 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:87, output treesize:61 [2021-11-19 13:18:56,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:18:56,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-19 13:18:56,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 13:18:56,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:18:56,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:18:56,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:18:56,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-19 13:18:56,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-11-19 13:18:56,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:18:56,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:18:56,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:18:56,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:18:56,290 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 13:18:56,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,296 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-19 13:18:56,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:18:56,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:18:56,309 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:18:56,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-19 13:18:56,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:18:56,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:18:56,323 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:18:56,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-19 13:18:56,335 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:18:56,335 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:95, output treesize:69 [2021-11-19 13:18:56,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-19 13:18:56,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,454 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:18:56,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-19 13:18:56,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:18:56,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:18:56,476 INFO L197 IcfgInterpreter]: Interpreting procedure build_nondet_String with input of size 37 for LOIs [2021-11-19 13:18:56,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:18:56,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-19 13:18:56,501 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:18:56,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-19 13:18:56,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,511 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:18:56,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-19 13:18:56,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:18:56,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 13:18:56,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-19 13:18:56,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:18:56,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 271 [2021-11-19 13:18:56,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,566 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:18:56,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-19 13:18:56,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:18:56,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:18:56,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:18:56,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-19 13:18:56,582 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 13:19:01,905 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 13:19:01,905 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 13:19:01,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-19 13:19:01,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959492238] [2021-11-19 13:19:01,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 13:19:01,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-19 13:19:01,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:01,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-19 13:19:01,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=707, Unknown=2, NotChecked=0, Total=812 [2021-11-19 13:19:01,908 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-19 13:19:02,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:02,129 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2021-11-19 13:19:02,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 13:19:02,130 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 14 [2021-11-19 13:19:02,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:02,131 INFO L225 Difference]: With dead ends: 67 [2021-11-19 13:19:02,131 INFO L226 Difference]: Without dead ends: 67 [2021-11-19 13:19:02,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=124, Invalid=804, Unknown=2, NotChecked=0, Total=930 [2021-11-19 13:19:02,133 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 29 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 173 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:02,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 350 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 135 Invalid, 0 Unknown, 173 Unchecked, 0.1s Time] [2021-11-19 13:19:02,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-11-19 13:19:02,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2021-11-19 13:19:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 31 states have (on average 1.8064516129032258) internal successors, (56), 49 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-19 13:19:02,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2021-11-19 13:19:02,143 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 14 [2021-11-19 13:19:02,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:02,143 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2021-11-19 13:19:02,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-19 13:19:02,143 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2021-11-19 13:19:02,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 13:19:02,144 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:02,145 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:02,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:19:02,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-19 13:19:02,366 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-19 13:19:02,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:02,367 INFO L85 PathProgramCache]: Analyzing trace with hash 96847642, now seen corresponding path program 1 times [2021-11-19 13:19:02,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:02,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544001299] [2021-11-19 13:19:02,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:02,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:19:02,572 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:19:02,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544001299] [2021-11-19 13:19:02,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544001299] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 13:19:02,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790725693] [2021-11-19 13:19:02,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:02,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:19:02,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:19:02,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 13:19:02,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 13:19:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:02,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-19 13:19:02,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:19:02,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 13:19:02,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 13:19:02,855 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-19 13:19:02,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 24 [2021-11-19 13:19:02,866 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-19 13:19:02,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-11-19 13:19:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:19:02,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:19:34,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:19:34,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790725693] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:19:34,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [130385726] [2021-11-19 13:19:34,935 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-19 13:19:34,936 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 13:19:34,936 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 13:19:34,936 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 13:19:34,937 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 13:19:34,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:19:34,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:34,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 13:19:34,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:34,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 13:19:34,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:34,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:19:34,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-19 13:19:34,962 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_76|], 1=[|v_#valid_95|]} [2021-11-19 13:19:34,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 13:19:34,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:34,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:34,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:34,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:19:34,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2021-11-19 13:19:34,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:34,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:34,981 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:34,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:34,984 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-19 13:19:34,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:34,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:34,992 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:34,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:34,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 13:19:34,996 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:19:34,996 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:72, output treesize:30 [2021-11-19 13:19:34,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:34,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:34,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-19 13:19:35,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-19 13:19:35,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-19 13:19:35,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:35,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:35,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:35,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-19 13:19:35,015 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:19:35,015 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-19 13:19:35,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:19:35,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:19:35,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:19:35,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,067 INFO L180 QuantifierPusher]: treesize reduction 21, result has 73.4 percent of original size [2021-11-19 13:19:35,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:19:35,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:19:35,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-19 13:19:35,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:35,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 13:19:35,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:19:35,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:35,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-19 13:19:35,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-11-19 13:19:35,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:19:35,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:19:35,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:19:35,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:19:35,106 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 13:19:35,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-19 13:19:35,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:35,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:35,121 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:35,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-19 13:19:35,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:35,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:35,136 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:35,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-19 13:19:35,143 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:19:35,144 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:87, output treesize:61 [2021-11-19 13:19:35,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:19:35,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-19 13:19:35,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:35,165 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 13:19:35,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:19:35,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:35,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-19 13:19:35,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-11-19 13:19:35,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:19:35,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:19:35,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 13:19:35,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-19 13:19:35,183 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 13:19:35,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-19 13:19:35,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:35,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:35,196 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:35,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-19 13:19:35,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:35,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:35,208 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:35,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-19 13:19:35,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:19:35,215 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:87, output treesize:61 [2021-11-19 13:19:35,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,243 INFO L180 QuantifierPusher]: treesize reduction 27, result has 78.4 percent of original size [2021-11-19 13:19:35,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-19 13:19:35,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:19:35,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-19 13:19:35,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:19:35,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:35,269 INFO L197 IcfgInterpreter]: Interpreting procedure build_nondet_String with input of size 37 for LOIs [2021-11-19 13:19:35,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:19:35,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-19 13:19:35,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:19:35,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-19 13:19:35,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:19:35,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-19 13:19:35,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:19:35,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 13:19:35,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-19 13:19:35,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,311 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,315 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:19:35,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 271 [2021-11-19 13:19:35,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,327 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:19:35,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-19 13:19:35,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:35,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:35,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 13:19:35,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 345 [2021-11-19 13:19:35,341 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 13:19:40,486 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 13:19:40,486 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 13:19:40,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2021-11-19 13:19:40,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953995535] [2021-11-19 13:19:40,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 13:19:40,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-19 13:19:40,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:40,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-19 13:19:40,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=803, Unknown=15, NotChecked=0, Total=930 [2021-11-19 13:19:40,488 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand has 21 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-19 13:19:45,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:45,030 INFO L93 Difference]: Finished difference Result 87 states and 99 transitions. [2021-11-19 13:19:45,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 13:19:45,031 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 14 [2021-11-19 13:19:45,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:45,032 INFO L225 Difference]: With dead ends: 87 [2021-11-19 13:19:45,032 INFO L226 Difference]: Without dead ends: 87 [2021-11-19 13:19:45,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 40.0s TimeCoverageRelationStatistics Valid=149, Invalid=1024, Unknown=17, NotChecked=0, Total=1190 [2021-11-19 13:19:45,034 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 237 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 210 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:45,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 204 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 268 Invalid, 0 Unknown, 210 Unchecked, 0.3s Time] [2021-11-19 13:19:45,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-11-19 13:19:45,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-11-19 13:19:45,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 32 states have (on average 1.6875) internal successors, (54), 48 states have internal predecessors, (54), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-19 13:19:45,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2021-11-19 13:19:45,043 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 14 [2021-11-19 13:19:45,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:45,043 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2021-11-19 13:19:45,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-19 13:19:45,044 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2021-11-19 13:19:45,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-19 13:19:45,045 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:45,045 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:45,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:19:45,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-11-19 13:19:45,275 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-19 13:19:45,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:45,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1418696966, now seen corresponding path program 1 times [2021-11-19 13:19:45,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:45,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829306979] [2021-11-19 13:19:45,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:45,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:45,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-19 13:19:45,324 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:19:45,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829306979] [2021-11-19 13:19:45,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829306979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:19:45,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:19:45,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 13:19:45,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642395795] [2021-11-19 13:19:45,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:19:45,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:19:45,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:45,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:19:45,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:45,327 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 13:19:45,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:45,384 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2021-11-19 13:19:45,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:19:45,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2021-11-19 13:19:45,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:45,386 INFO L225 Difference]: With dead ends: 53 [2021-11-19 13:19:45,386 INFO L226 Difference]: Without dead ends: 53 [2021-11-19 13:19:45,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:45,388 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 26 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:45,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 41 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:19:45,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-19 13:19:45,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-19 13:19:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.65625) internal successors, (53), 47 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-19 13:19:45,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2021-11-19 13:19:45,396 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 62 transitions. Word has length 16 [2021-11-19 13:19:45,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:45,396 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 62 transitions. [2021-11-19 13:19:45,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 13:19:45,397 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-11-19 13:19:45,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-19 13:19:45,398 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:45,398 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:45,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-11-19 13:19:45,399 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-19 13:19:45,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:45,399 INFO L85 PathProgramCache]: Analyzing trace with hash 2048304748, now seen corresponding path program 1 times [2021-11-19 13:19:45,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:45,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863874646] [2021-11-19 13:19:45,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:45,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:45,599 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:19:45,599 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:19:45,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863874646] [2021-11-19 13:19:45,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863874646] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 13:19:45,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446613106] [2021-11-19 13:19:45,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:45,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:19:45,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:19:45,601 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 13:19:45,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 13:19:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:45,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-19 13:19:45,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:19:45,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 13:19:45,807 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-19 13:19:45,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-19 13:19:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 13:19:45,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:19:47,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 13:19:47,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446613106] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:19:47,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1830474600] [2021-11-19 13:19:47,463 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-19 13:19:47,463 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 13:19:47,463 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 13:19:47,464 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 13:19:47,464 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 13:19:47,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:19:47,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 13:19:47,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 13:19:47,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 13:19:47,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-19 13:19:47,509 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_88|], 1=[|v_#valid_113|]} [2021-11-19 13:19:47,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 13:19:47,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:47,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:47,520 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-19 13:19:47,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:47,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:47,530 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-19 13:19:47,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:47,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:47,554 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:19:47,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2021-11-19 13:19:47,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:47,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:47,564 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 13:19:47,569 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,569 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:72, output treesize:30 [2021-11-19 13:19:47,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-19 13:19:47,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 13:19:47,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 13:19:47,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-19 13:19:47,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-19 13:19:47,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:47,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:47,592 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-19 13:19:47,599 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,599 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:69, output treesize:69 [2021-11-19 13:19:47,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-19 13:19:47,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-19 13:19:47,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-19 13:19:47,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-19 13:19:47,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-11-19 13:19:47,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 13:19:47,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:19:47,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-19 13:19:47,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 13:19:47,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 13:19:47,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-19 13:19:47,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-19 13:19:47,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 13:19:47,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:19:47,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-19 13:19:47,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-19 13:19:47,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-19 13:19:47,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-19 13:19:47,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-19 13:19:47,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:47,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:47,690 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 13:19:47,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-11-19 13:19:47,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-19 13:19:47,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-19 13:19:47,707 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,722 INFO L180 QuantifierPusher]: treesize reduction 41, result has 78.5 percent of original size [2021-11-19 13:19:47,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-11-19 13:19:47,725 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-19 13:19:47,726 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:198, output treesize:157 [2021-11-19 13:19:47,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,753 INFO L180 QuantifierPusher]: treesize reduction 6, result has 91.3 percent of original size [2021-11-19 13:19:47,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-19 13:19:47,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 13:19:47,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 13:19:47,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-19 13:19:47,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-19 13:19:47,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:47,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:47,769 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-19 13:19:47,774 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,774 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:55 [2021-11-19 13:19:47,777 INFO L180 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size [2021-11-19 13:19:47,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-19 13:19:47,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-19 13:19:47,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-19 13:19:47,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:47,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:47,790 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-19 13:19:47,794 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,795 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:51 [2021-11-19 13:19:47,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,800 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:47,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-19 13:19:47,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:19:47,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:47,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-19 13:19:47,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:47,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:47,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-19 13:19:47,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:47,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:47,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:47,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:47,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:47,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:47,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:47,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:47,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:47,885 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:47,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-19 13:19:47,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:19:47,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:47,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:47,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 13:19:47,899 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:47,900 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:47,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:19:47,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:47,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:47,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 13:19:47,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:47,912 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:47,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:47,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-19 13:19:47,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-19 13:19:47,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:47,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:47,933 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-19 13:19:47,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:47,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:47,954 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-19 13:19:47,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:47,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:47,972 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-19 13:19:47,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:47,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:47,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:47,990 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:47,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:47,996 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-19 13:19:48,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,016 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:48,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-19 13:19:48,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,033 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:48,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 13:19:48,046 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 13:19:48,046 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:143, output treesize:46 [2021-11-19 13:19:48,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,070 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-19 13:19:48,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:19:48,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:48,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:48,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 13:19:48,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:48,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-19 13:19:48,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:48,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-11-19 13:19:48,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 13:19:48,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-11-19 13:19:48,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-19 13:19:48,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,122 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:48,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-19 13:19:48,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,141 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:48,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,148 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-19 13:19:48,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,160 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:48,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,165 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-19 13:19:48,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,177 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:48,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,183 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-19 13:19:48,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,196 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:48,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,201 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-19 13:19:48,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 13:19:48,212 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:48,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,217 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 13:19:48,226 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-1 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 13:19:48,226 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:143, output treesize:46 [2021-11-19 13:19:48,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-19 13:19:48,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,289 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-19 13:19:48,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:19:48,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,317 INFO L197 IcfgInterpreter]: Interpreting procedure build_nondet_String with input of size 51 for LOIs [2021-11-19 13:19:48,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,327 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,350 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-19 13:19:48,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,364 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,368 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,371 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,375 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-19 13:19:48,379 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,380 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,382 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,383 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,386 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,391 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,393 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-19 13:19:48,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,401 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,409 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-19 13:19:48,420 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,424 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,425 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,428 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-19 13:19:48,443 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,452 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,456 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 13:19:48,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-19 13:19:48,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,501 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,504 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-19 13:19:48,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,515 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 13:19:48,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:19:48,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,537 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,553 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 482 [2021-11-19 13:19:48,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,568 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,577 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 482 [2021-11-19 13:19:48,595 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 13:19:48,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,614 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,621 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,625 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 542 [2021-11-19 13:19:48,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,648 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 491 [2021-11-19 13:19:48,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 513 [2021-11-19 13:19:48,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:48,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,717 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 13:19:48,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-19 13:19:48,721 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,745 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,766 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,785 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-19 13:19:48,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,827 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 482 [2021-11-19 13:19:48,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 13:19:48,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,885 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,899 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 686 [2021-11-19 13:19:48,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,936 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-19 13:19:48,939 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,940 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,957 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 722 [2021-11-19 13:19:48,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-19 13:19:48,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:48,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:48,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,996 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:48,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:48,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:48,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:48,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:49,002 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:49,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1203 [2021-11-19 13:19:49,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-19 13:19:49,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:49,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:49,046 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:49,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,049 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:49,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:49,055 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:49,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:49,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:49,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:49,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:49,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,070 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:49,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:49,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1203 [2021-11-19 13:19:49,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-19 13:19:49,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 13:19:49,147 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-19 13:19:49,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 13:19:49,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-19 13:19:49,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:49,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:49,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:49,165 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:49,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:49,174 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:49,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 13:19:49,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:49,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,195 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:49,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:49,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,203 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:49,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,206 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:49,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:49,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1311 [2021-11-19 13:19:49,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-19 13:19:49,254 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:49,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:49,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:49,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:49,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,267 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:49,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:49,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:49,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:49,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:49,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 13:19:49,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,289 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 13:19:49,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-19 13:19:49,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 13:19:49,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1212 [2021-11-19 13:19:49,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1234 [2021-11-19 13:19:49,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:49,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:49,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:49,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:49,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:49,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:49,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,381 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,382 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-19 13:19:49,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 13:19:49,384 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-19 13:19:49,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-19 13:19:49,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-19 13:19:49,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:49,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:49,394 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:49,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:49,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 13:19:49,399 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:19:49,400 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:43 [2021-11-19 13:19:49,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 13:19:49,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-19 13:19:49,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-19 13:19:49,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-19 13:19:49,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:49,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-19 13:19:49,413 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 13:19:49,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 13:19:49,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 13:19:49,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-19 13:19:49,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 13:19:49,416 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2021-11-19 13:19:49,417 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 13:19:50,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 13:19:50,261 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 13:19:50,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2021-11-19 13:19:50,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789292618] [2021-11-19 13:19:50,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 13:19:50,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-19 13:19:50,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:50,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-19 13:19:50,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=779, Unknown=0, NotChecked=0, Total=870 [2021-11-19 13:19:50,264 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. Second operand has 20 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-19 13:19:50,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:50,476 INFO L93 Difference]: Finished difference Result 61 states and 70 transitions. [2021-11-19 13:19:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 13:19:50,477 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 16 [2021-11-19 13:19:50,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:50,478 INFO L225 Difference]: With dead ends: 61 [2021-11-19 13:19:50,478 INFO L226 Difference]: Without dead ends: 61 [2021-11-19 13:19:50,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=109, Invalid=883, Unknown=0, NotChecked=0, Total=992 [2021-11-19 13:19:50,480 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 24 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 147 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:50,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 283 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 128 Invalid, 0 Unknown, 147 Unchecked, 0.1s Time] [2021-11-19 13:19:50,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-19 13:19:50,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 45. [2021-11-19 13:19:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.7037037037037037) internal successors, (46), 41 states have internal predecessors, (46), 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) [2021-11-19 13:19:50,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2021-11-19 13:19:50,486 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 16 [2021-11-19 13:19:50,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:50,487 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2021-11-19 13:19:50,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 5 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-11-19 13:19:50,487 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2021-11-19 13:19:50,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:19:50,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:50,488 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:50,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:19:50,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 13:19:50,689 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-19 13:19:50,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:50,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1029930666, now seen corresponding path program 1 times [2021-11-19 13:19:50,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:50,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418831481] [2021-11-19 13:19:50,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:50,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-19 13:19:50,765 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:19:50,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418831481] [2021-11-19 13:19:50,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418831481] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:19:50,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:19:50,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:19:50,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260240079] [2021-11-19 13:19:50,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:19:50,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:19:50,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:50,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:19:50,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:19:50,767 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 13:19:50,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:50,959 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2021-11-19 13:19:50,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:19:50,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2021-11-19 13:19:50,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:50,961 INFO L225 Difference]: With dead ends: 53 [2021-11-19 13:19:50,961 INFO L226 Difference]: Without dead ends: 53 [2021-11-19 13:19:50,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:19:50,962 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 47 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:50,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 109 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:19:50,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-19 13:19:50,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 42. [2021-11-19 13:19:50,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 38 states have internal predecessors, (43), 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) [2021-11-19 13:19:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2021-11-19 13:19:50,967 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 17 [2021-11-19 13:19:50,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:50,967 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2021-11-19 13:19:50,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 13:19:50,967 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2021-11-19 13:19:50,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:19:50,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:50,968 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:50,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-11-19 13:19:50,969 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-19 13:19:50,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:50,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1029930665, now seen corresponding path program 1 times [2021-11-19 13:19:50,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:50,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460393842] [2021-11-19 13:19:50,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:50,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-19 13:19:51,127 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:19:51,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460393842] [2021-11-19 13:19:51,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460393842] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:19:51,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:19:51,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 13:19:51,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987531876] [2021-11-19 13:19:51,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:19:51,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:19:51,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:51,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:19:51,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:19:51,129 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 7 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 13:19:51,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:51,353 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2021-11-19 13:19:51,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:19:51,354 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2021-11-19 13:19:51,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:51,355 INFO L225 Difference]: With dead ends: 69 [2021-11-19 13:19:51,355 INFO L226 Difference]: Without dead ends: 69 [2021-11-19 13:19:51,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:19:51,356 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 73 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:51,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 191 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:19:51,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-19 13:19:51,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 47. [2021-11-19 13:19:51,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.5625) internal successors, (50), 43 states have internal predecessors, (50), 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) [2021-11-19 13:19:51,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2021-11-19 13:19:51,361 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 17 [2021-11-19 13:19:51,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:51,361 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2021-11-19 13:19:51,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 13:19:51,362 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2021-11-19 13:19:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 13:19:51,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:51,363 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:51,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-11-19 13:19:51,364 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [build_nondet_StringErr0REQUIRES_VIOLATION, build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr2REQUIRES_VIOLATION (and 20 more)] === [2021-11-19 13:19:51,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:51,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1863167735, now seen corresponding path program 1 times [2021-11-19 13:19:51,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:51,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653788508] [2021-11-19 13:19:51,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:51,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 13:19:51,382 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 13:19:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 13:19:51,447 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-19 13:19:51,447 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 13:19:51,448 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr11REQUIRES_VIOLATION (22 of 23 remaining) [2021-11-19 13:19:51,450 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location build_nondet_StringErr0REQUIRES_VIOLATION (21 of 23 remaining) [2021-11-19 13:19:51,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location build_nondet_StringErr1REQUIRES_VIOLATION (20 of 23 remaining) [2021-11-19 13:19:51,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location build_nondet_StringErr2REQUIRES_VIOLATION (19 of 23 remaining) [2021-11-19 13:19:51,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location build_nondet_StringErr3REQUIRES_VIOLATION (18 of 23 remaining) [2021-11-19 13:19:51,451 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION (17 of 23 remaining) [2021-11-19 13:19:51,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION (16 of 23 remaining) [2021-11-19 13:19:51,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION (15 of 23 remaining) [2021-11-19 13:19:51,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION (14 of 23 remaining) [2021-11-19 13:19:51,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION (13 of 23 remaining) [2021-11-19 13:19:51,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION (12 of 23 remaining) [2021-11-19 13:19:51,452 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION (11 of 23 remaining) [2021-11-19 13:19:51,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION (10 of 23 remaining) [2021-11-19 13:19:51,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION (9 of 23 remaining) [2021-11-19 13:19:51,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION (8 of 23 remaining) [2021-11-19 13:19:51,453 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION (7 of 23 remaining) [2021-11-19 13:19:51,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_FREE (6 of 23 remaining) [2021-11-19 13:19:51,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_FREE (5 of 23 remaining) [2021-11-19 13:19:51,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_FREE (4 of 23 remaining) [2021-11-19 13:19:51,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_FREE (3 of 23 remaining) [2021-11-19 13:19:51,454 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_FREE (2 of 23 remaining) [2021-11-19 13:19:51,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_FREE (1 of 23 remaining) [2021-11-19 13:19:51,455 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK (0 of 23 remaining) [2021-11-19 13:19:51,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-11-19 13:19:51,459 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:51,463 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 13:19:51,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:19:51 BoogieIcfgContainer [2021-11-19 13:19:51,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 13:19:51,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 13:19:51,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 13:19:51,493 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 13:19:51,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:18:51" (3/4) ... [2021-11-19 13:19:51,495 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-19 13:19:51,537 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 13:19:51,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 13:19:51,538 INFO L158 Benchmark]: Toolchain (without parser) took 60941.47ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 47.4MB in the beginning and 70.2MB in the end (delta: -22.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-19 13:19:51,538 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:19:51,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.54ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.2MB in the beginning and 72.9MB in the end (delta: -25.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 13:19:51,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.05ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 70.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:19:51,539 INFO L158 Benchmark]: Boogie Preprocessor took 37.85ms. Allocated memory is still 104.9MB. Free memory was 70.8MB in the beginning and 69.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:19:51,539 INFO L158 Benchmark]: RCFGBuilder took 530.09ms. Allocated memory is still 104.9MB. Free memory was 69.2MB in the beginning and 53.5MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-19 13:19:51,539 INFO L158 Benchmark]: TraceAbstraction took 59722.64ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 53.1MB in the beginning and 72.3MB in the end (delta: -19.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2021-11-19 13:19:51,540 INFO L158 Benchmark]: Witness Printer took 44.96ms. Allocated memory is still 125.8MB. Free memory was 72.3MB in the beginning and 70.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:19:51,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.54ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.2MB in the beginning and 72.9MB in the end (delta: -25.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.05ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 70.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.85ms. Allocated memory is still 104.9MB. Free memory was 70.8MB in the beginning and 69.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 530.09ms. Allocated memory is still 104.9MB. Free memory was 69.2MB in the beginning and 53.5MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 59722.64ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 53.1MB in the beginning and 72.3MB in the end (delta: -19.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Witness Printer took 44.96ms. Allocated memory is still 125.8MB. Free memory was 72.3MB in the beginning and 70.2MB 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 - CounterExampleResult [Line: 548]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L546] CALL, EXPR build_nondet_String() [L515] int length = __VERIFIER_nondet_int(); [L516] COND FALSE !(length < 1) [L519] char* nondetString = (char*) malloc(length * sizeof(char)); [L521] int i = 0; VAL [i=0, length=1, nondetString={-1:0}] [L521] COND FALSE !(i < length - 1) VAL [i=0, length=1, nondetString={-1:0}] [L527] nondetString[length-1] = '\0' [L528] return nondetString; [L546] RET, EXPR build_nondet_String() VAL [build_nondet_String()={-1:0}] [L546] char* s1 = build_nondet_String(); [L547] CALL, EXPR build_nondet_String() [L515] int length = __VERIFIER_nondet_int(); [L516] COND FALSE !(length < 1) [L519] char* nondetString = (char*) malloc(length * sizeof(char)); [L521] int i = 0; VAL [i=0, length=1, nondetString={-2:0}] [L521] COND FALSE !(i < length - 1) VAL [i=0, length=1, nondetString={-2:0}] [L527] nondetString[length-1] = '\0' [L528] return nondetString; [L547] RET, EXPR build_nondet_String() VAL [build_nondet_String()={-2:0}, s1={-1:0}] [L547] char* s2 = build_nondet_String(); [L548] CALL cstrpbrk(s1,s2) [L532] const char *sc1; [L533] const char *s; [L534] int c; [L535] sc1 = s1 VAL [s1={-1:0}, s1={-1:0}, s2={-2:0}, s2={-2:0}, sc1={-1:0}] [L535] EXPR \read(*sc1) VAL [\read(*sc1)=0, s1={-1:0}, s1={-1:0}, s2={-2:0}, s2={-2:0}, sc1={-1:0}] [L535] COND FALSE !(*sc1 != '\0') [L543] return 0; VAL [\result={0:0}, s1={-1:0}, s1={-1:0}, s2={-2:0}, s2={-2:0}, sc1={-1:0}] [L548] RET cstrpbrk(s1,s2) - UnprovableResult [Line: 523]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 523]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 537]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 537]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 538]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 538]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 538]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 538]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 545]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 23 error locations. Started 1 CEGAR loops. OverallTime: 59.6s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 466 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 466 mSDsluCounter, 1571 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 530 IncrementalHoareTripleChecker+Unchecked, 1233 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1018 IncrementalHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 375 mSDtfsCounter, 1018 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 738 ImplicationChecksByTransitivity, 48.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=5, InterpolantAutomatonStates: 62, 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, 10 MinimizatonAttempts, 103 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 36.9s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 200 ConstructedInterpolants, 44 QuantifiedInterpolants, 1821 SizeOfPredicates, 26 NumberOfNonLiveVariables, 375 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 27/60 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 RESULT: Ultimate proved your program to be incorrect! [2021-11-19 13:19:51,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87b8f3f7-3988-4eec-9e41-60d647ea38b7/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)