./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array6_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array6_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81db346fb66b40514998cf838e858b3f0793fe5c74d5812efa60193ab54d6833 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:26:22,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:26:22,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:26:22,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:26:22,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:26:22,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:26:22,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:26:22,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:26:22,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:26:22,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:26:22,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:26:22,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:26:22,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:26:22,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:26:22,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:26:22,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:26:22,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:26:22,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:26:22,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:26:22,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:26:22,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:26:22,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:26:22,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:26:22,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:26:22,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:26:22,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:26:22,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:26:22,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:26:22,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:26:22,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:26:22,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:26:22,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:26:22,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:26:22,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:26:22,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:26:22,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:26:22,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:26:22,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:26:22,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:26:22,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:26:22,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:26:22,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 02:26:22,877 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:26:22,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:26:22,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:26:22,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:26:22,880 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:26:22,880 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:26:22,880 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:26:22,881 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:26:22,887 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:26:22,887 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:26:22,888 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:26:22,889 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:26:22,889 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:26:22,889 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:26:22,889 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:26:22,890 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:26:22,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:26:22,891 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 02:26:22,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:26:22,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 02:26:22,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:26:22,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:26:22,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:26:22,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:26:22,892 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:26:22,892 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 02:26:22,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:26:22,893 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:26:22,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:26:22,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:26:22,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:26:22,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:26:22,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:26:22,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:26:22,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:26:22,896 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:26:22,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:26:22,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:26:22,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:26:22,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:26:22,897 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_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81db346fb66b40514998cf838e858b3f0793fe5c74d5812efa60193ab54d6833 [2021-11-13 02:26:23,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:26:23,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:26:23,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:26:23,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:26:23,185 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:26:23,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-patterns/array6_pattern.c [2021-11-13 02:26:23,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/data/a7696a00f/c4b15df0bc2f47f0adaafc29cbb81d56/FLAG1218676c2 [2021-11-13 02:26:23,725 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:26:23,725 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/sv-benchmarks/c/array-patterns/array6_pattern.c [2021-11-13 02:26:23,732 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/data/a7696a00f/c4b15df0bc2f47f0adaafc29cbb81d56/FLAG1218676c2 [2021-11-13 02:26:24,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/data/a7696a00f/c4b15df0bc2f47f0adaafc29cbb81d56 [2021-11-13 02:26:24,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:26:24,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:26:24,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:26:24,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:26:24,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:26:24,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4351b5d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24, skipping insertion in model container [2021-11-13 02:26:24,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:26:24,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:26:24,345 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/sv-benchmarks/c/array-patterns/array6_pattern.c[1356,1369] [2021-11-13 02:26:24,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:26:24,370 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:26:24,381 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/sv-benchmarks/c/array-patterns/array6_pattern.c[1356,1369] [2021-11-13 02:26:24,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:26:24,404 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:26:24,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24 WrapperNode [2021-11-13 02:26:24,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:26:24,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:26:24,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:26:24,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:26:24,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:26:24,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:26:24,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:26:24,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:26:24,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:26:24,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:26:24,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:26:24,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:26:24,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:26:24,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:26:24,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:26:24,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:26:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 02:26:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 02:26:24,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 02:26:24,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:26:24,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 02:26:24,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:26:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:26:24,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 02:26:24,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:26:24,912 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:26:24,924 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 02:26:24,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:26:24 BoogieIcfgContainer [2021-11-13 02:26:24,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:26:24,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:26:24,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:26:24,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:26:24,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:26:24" (1/3) ... [2021-11-13 02:26:24,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbfbaa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:26:24, skipping insertion in model container [2021-11-13 02:26:24,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24" (2/3) ... [2021-11-13 02:26:24,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbfbaa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:26:24, skipping insertion in model container [2021-11-13 02:26:24,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:26:24" (3/3) ... [2021-11-13 02:26:24,935 INFO L111 eAbstractionObserver]: Analyzing ICFG array6_pattern.c [2021-11-13 02:26:24,940 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:26:24,941 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:26:25,003 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:26:25,011 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 02:26:25,012 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:26:25,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 02:26:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 02:26:25,041 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:26:25,042 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:26:25,043 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:26:25,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:26:25,052 INFO L85 PathProgramCache]: Analyzing trace with hash 857550697, now seen corresponding path program 1 times [2021-11-13 02:26:25,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:26:25,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232496166] [2021-11-13 02:26:25,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:26:25,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:26:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:26:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:26:25,242 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:26:25,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232496166] [2021-11-13 02:26:25,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232496166] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:26:25,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:26:25,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 02:26:25,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374293553] [2021-11-13 02:26:25,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:26:25,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 02:26:25,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:26:25,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 02:26:25,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:26:25,294 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 02:26:25,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:26:25,351 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2021-11-13 02:26:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 02:26:25,355 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-11-13 02:26:25,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:26:25,362 INFO L225 Difference]: With dead ends: 24 [2021-11-13 02:26:25,362 INFO L226 Difference]: Without dead ends: 15 [2021-11-13 02:26:25,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:26:25,379 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.20ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.22ms IncrementalHoareTripleChecker+Time [2021-11-13 02:26:25,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 7 Unknown, 0 Unchecked, 2.20ms Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 35.22ms Time] [2021-11-13 02:26:25,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-13 02:26:25,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-13 02:26:25,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 02:26:25,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-11-13 02:26:25,422 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 11 [2021-11-13 02:26:25,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:26:25,425 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-13 02:26:25,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 02:26:25,426 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-13 02:26:25,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 02:26:25,429 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:26:25,429 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:26:25,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 02:26:25,430 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:26:25,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:26:25,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1659101310, now seen corresponding path program 1 times [2021-11-13 02:26:25,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:26:25,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60616426] [2021-11-13 02:26:25,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:26:25,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:26:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:26:25,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 02:26:25,595 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:26:25,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60616426] [2021-11-13 02:26:25,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60616426] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:26:25,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:26:25,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 02:26:25,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628651645] [2021-11-13 02:26:25,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:26:25,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:26:25,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:26:25,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:26:25,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:26:25,599 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 02:26:25,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:26:25,632 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2021-11-13 02:26:25,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:26:25,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) Word has length 16 [2021-11-13 02:26:25,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:26:25,634 INFO L225 Difference]: With dead ends: 19 [2021-11-13 02:26:25,634 INFO L226 Difference]: Without dead ends: 16 [2021-11-13 02:26:25,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:26:25,636 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.04ms IncrementalHoareTripleChecker+Time [2021-11-13 02:26:25,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 28 Invalid, 17 Unknown, 0 Unchecked, 1.09ms Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 19.04ms Time] [2021-11-13 02:26:25,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-13 02:26:25,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-13 02:26:25,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 02:26:25,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-11-13 02:26:25,642 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 16 [2021-11-13 02:26:25,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:26:25,643 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-13 02:26:25,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 02:26:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-13 02:26:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 02:26:25,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:26:25,654 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:26:25,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 02:26:25,654 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:26:25,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:26:25,655 INFO L85 PathProgramCache]: Analyzing trace with hash 107201699, now seen corresponding path program 1 times [2021-11-13 02:26:25,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:26:25,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5292631] [2021-11-13 02:26:25,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:26:25,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:26:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:26:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 02:26:25,777 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:26:25,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5292631] [2021-11-13 02:26:25,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5292631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 02:26:25,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:26:25,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 02:26:25,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298034311] [2021-11-13 02:26:25,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:26:25,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:26:25,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:26:25,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:26:25,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:26:25,781 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 02:26:25,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:26:25,854 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2021-11-13 02:26:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:26:25,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) Word has length 17 [2021-11-13 02:26:25,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:26:25,855 INFO L225 Difference]: With dead ends: 29 [2021-11-13 02:26:25,855 INFO L226 Difference]: Without dead ends: 17 [2021-11-13 02:26:25,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:26:25,857 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.81ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.96ms IncrementalHoareTripleChecker+Time [2021-11-13 02:26:25,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 33 Invalid, 28 Unknown, 0 Unchecked, 2.81ms Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 53.96ms Time] [2021-11-13 02:26:25,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-13 02:26:25,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-13 02:26:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 02:26:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-11-13 02:26:25,862 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 17 [2021-11-13 02:26:25,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:26:25,863 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-13 02:26:25,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 02:26:25,863 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-13 02:26:25,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 02:26:25,864 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:26:25,864 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:26:25,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 02:26:25,865 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:26:25,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:26:25,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1924715561, now seen corresponding path program 1 times [2021-11-13 02:26:25,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:26:25,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166605789] [2021-11-13 02:26:25,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:26:25,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:26:25,896 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 02:26:25,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [264304006] [2021-11-13 02:26:25,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:26:25,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:26:25,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:26:25,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:26:25,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 02:26:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:26:25,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 02:26:25,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:26:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 02:26:26,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:26:26,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 02:26:26,269 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:26:26,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166605789] [2021-11-13 02:26:26,269 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 02:26:26,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264304006] [2021-11-13 02:26:26,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264304006] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:26:26,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1295272169] [2021-11-13 02:26:26,289 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2021-11-13 02:26:26,289 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 02:26:26,293 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 02:26:26,299 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 02:26:26,299 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 02:26:26,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:26,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 02:26:26,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:26,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 02:26:26,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-13 02:26:26,369 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 21=[|v_#valid_25|]} [2021-11-13 02:26:26,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 02:26:26,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:26:26,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:26:26,395 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:26,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:26,410 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 02:26:26,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:26:26,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:26:26,450 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:26,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:26,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 02:26:26,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:26:26,475 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-13 02:26:26,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,513 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size 97 [2021-11-13 02:26:26,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,536 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size 97 [2021-11-13 02:26:26,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:26,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:26,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:26,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:26,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:26,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:26,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:26,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:26,690 INFO L180 QuantifierPusher]: treesize reduction 39, result has 84.5 percent of original size [2021-11-13 02:26:26,702 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:26,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,708 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:26,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 02:26:26,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:26,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 02:26:26,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-13 02:26:26,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:26,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-13 02:26:26,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:26,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 02:26:26,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-13 02:26:26,762 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_14|], 28=[|v_#valid_26|]} [2021-11-13 02:26:26,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,813 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-13 02:26:26,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 43 [2021-11-13 02:26:26,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 02:26:26,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 02:26:26,821 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:26,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 02:26:26,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:26:26,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:26:26,848 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:26,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:26,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:26,966 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-13 02:26:26,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 61 [2021-11-13 02:26:26,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 02:26:26,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 02:26:26,983 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:26,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:26,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:26,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-13 02:26:27,004 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:26:27,004 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:368, output treesize:182 [2021-11-13 02:26:27,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:27,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-13 02:26:27,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-13 02:26:27,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:27,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-13 02:26:27,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 02:26:27,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 02:26:27,057 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:27,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-13 02:26:27,081 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:26:27,081 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:247, output treesize:223 [2021-11-13 02:26:27,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:27,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:27,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-11-13 02:26:27,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:27,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-13 02:26:27,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 521 [2021-11-13 02:26:27,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:27,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 460 [2021-11-13 02:26:27,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 546 [2021-11-13 02:26:27,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:27,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-13 02:26:27,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 02:26:27,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 02:26:27,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:27,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 102 [2021-11-13 02:26:27,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-13 02:26:27,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-13 02:26:27,420 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:27,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,532 INFO L180 QuantifierPusher]: treesize reduction 140, result has 78.0 percent of original size [2021-11-13 02:26:27,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 496 [2021-11-13 02:26:27,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 02:26:27,546 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:685, output treesize:496 [2021-11-13 02:26:27,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,663 INFO L180 QuantifierPusher]: treesize reduction 48, result has 71.4 percent of original size [2021-11-13 02:26:27,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:27,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-13 02:26:27,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-13 02:26:27,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:27,695 INFO L354 Elim1Store]: treesize reduction 21, result has 52.3 percent of original size [2021-11-13 02:26:27,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 40 [2021-11-13 02:26:27,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-13 02:26:27,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-13 02:26:27,699 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:27,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,703 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 02:26:27,708 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:26:27,708 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:106 [2021-11-13 02:26:27,718 INFO L180 QuantifierPusher]: treesize reduction 49, result has 61.1 percent of original size [2021-11-13 02:26:27,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-13 02:26:27,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:27,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:27,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:26:27,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:26:27,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 02:26:27,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,752 INFO L185 QuantifierPusher]: treesize reduction 5, result has 93.8 percent of original size 76 [2021-11-13 02:26:27,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:27,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:27,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:26:27,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:26:27,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 02:26:27,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,782 INFO L185 QuantifierPusher]: treesize reduction 5, result has 93.8 percent of original size 76 [2021-11-13 02:26:27,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,840 INFO L180 QuantifierPusher]: treesize reduction 65, result has 79.4 percent of original size [2021-11-13 02:26:27,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:27,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-13 02:26:27,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-13 02:26:27,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:27,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:27,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:27,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:27,889 INFO L354 Elim1Store]: treesize reduction 39, result has 25.0 percent of original size [2021-11-13 02:26:27,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 99 treesize of output 75 [2021-11-13 02:26:27,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-13 02:26:27,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-13 02:26:27,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:27,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-13 02:26:27,905 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:26:27,905 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:247, output treesize:148 [2021-11-13 02:26:27,913 INFO L180 QuantifierPusher]: treesize reduction 10, result has 93.5 percent of original size [2021-11-13 02:26:27,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-13 02:26:27,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:27,925 INFO L185 QuantifierPusher]: treesize reduction 8, result has 94.9 percent of original size 148 [2021-11-13 02:26:27,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:27,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:28,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2021-11-13 02:26:28,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,108 INFO L180 QuantifierPusher]: treesize reduction 48, result has 67.3 percent of original size [2021-11-13 02:26:28,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-13 02:26:28,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:28,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:28,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:28,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:28,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:28,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:26:28,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:26:28,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 02:26:28,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:28,173 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 40 for LOIs [2021-11-13 02:26:28,175 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 02:26:30,181 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 02:26:30,181 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 02:26:30,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-11-13 02:26:30,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405525736] [2021-11-13 02:26:30,182 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 02:26:30,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 02:26:30,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:26:30,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 02:26:30,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2021-11-13 02:26:30,184 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 9 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 9 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 02:26:30,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:26:30,403 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2021-11-13 02:26:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 02:26:30,404 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 9 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 18 [2021-11-13 02:26:30,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:26:30,406 INFO L225 Difference]: With dead ends: 49 [2021-11-13 02:26:30,406 INFO L226 Difference]: Without dead ends: 29 [2021-11-13 02:26:30,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2021-11-13 02:26:30,407 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 39 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.84ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.80ms IncrementalHoareTripleChecker+Time [2021-11-13 02:26:30,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 43 Invalid, 69 Unknown, 0 Unchecked, 1.84ms Time], IncrementalHoareTripleChecker [15 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 80.80ms Time] [2021-11-13 02:26:30,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-13 02:26:30,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 19. [2021-11-13 02:26:30,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 02:26:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2021-11-13 02:26:30,417 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 18 [2021-11-13 02:26:30,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:26:30,417 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-11-13 02:26:30,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 9 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 02:26:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-13 02:26:30,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 02:26:30,419 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:26:30,419 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:26:30,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:26:30,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:26:30,636 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:26:30,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:26:30,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1012202345, now seen corresponding path program 2 times [2021-11-13 02:26:30,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:26:30,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168911191] [2021-11-13 02:26:30,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:26:30,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:26:30,648 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 02:26:30,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2110613686] [2021-11-13 02:26:30,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 02:26:30,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:26:30,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:26:30,650 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:26:30,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 02:26:30,704 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 02:26:30,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 02:26:30,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 02:26:30,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:26:30,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 02:26:30,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:26:30,895 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 02:26:30,895 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 02:26:30,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168911191] [2021-11-13 02:26:30,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 02:26:30,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110613686] [2021-11-13 02:26:30,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110613686] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:26:30,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1665647974] [2021-11-13 02:26:30,899 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2021-11-13 02:26:30,899 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 02:26:30,899 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 02:26:30,899 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 02:26:30,900 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 02:26:30,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:30,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:30,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:30,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 02:26:30,911 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:30,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:30,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 02:26:30,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-13 02:26:30,917 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 21=[|v_#valid_27|]} [2021-11-13 02:26:30,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:30,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:30,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:30,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 02:26:30,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:30,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:26:30,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:30,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 02:26:30,932 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:30,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:30,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:30,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:30,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:30,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:30,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:30,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:30,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:30,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:30,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:30,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:30,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 02:26:30,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:30,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:26:30,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:30,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 02:26:30,960 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:30,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:30,964 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:30,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:30,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 02:26:30,971 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:26:30,972 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-13 02:26:30,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:30,990 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size 97 [2021-11-13 02:26:30,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,003 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.1 percent of original size 97 [2021-11-13 02:26:31,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,056 INFO L180 QuantifierPusher]: treesize reduction 39, result has 84.5 percent of original size [2021-11-13 02:26:31,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 02:26:31,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 02:26:31,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-13 02:26:31,065 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-13 02:26:31,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 02:26:31,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-13 02:26:31,080 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_16|], 28=[|v_#valid_28|]} [2021-11-13 02:26:31,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,123 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-13 02:26:31,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 43 [2021-11-13 02:26:31,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 02:26:31,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 02:26:31,128 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:31,140 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 02:26:31,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:26:31,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:26:31,145 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:31,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,154 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,256 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-13 02:26:31,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 61 [2021-11-13 02:26:31,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 02:26:31,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 02:26:31,265 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:31,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-13 02:26:31,283 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:26:31,283 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:368, output treesize:182 [2021-11-13 02:26:31,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-13 02:26:31,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-13 02:26:31,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:31,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-13 02:26:31,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 02:26:31,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 02:26:31,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:31,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,360 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-13 02:26:31,370 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:26:31,370 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:247, output treesize:223 [2021-11-13 02:26:31,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-11-13 02:26:31,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-13 02:26:31,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 521 [2021-11-13 02:26:31,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 460 [2021-11-13 02:26:31,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 546 [2021-11-13 02:26:31,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:31,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-13 02:26:31,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 02:26:31,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 02:26:31,594 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:31,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:31,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 102 [2021-11-13 02:26:31,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-13 02:26:31,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-13 02:26:31,650 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:31,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,750 INFO L180 QuantifierPusher]: treesize reduction 140, result has 78.0 percent of original size [2021-11-13 02:26:31,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 496 [2021-11-13 02:26:31,762 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 02:26:31,762 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:685, output treesize:496 [2021-11-13 02:26:31,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,853 INFO L180 QuantifierPusher]: treesize reduction 48, result has 71.4 percent of original size [2021-11-13 02:26:31,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-13 02:26:31,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-13 02:26:31,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:31,881 INFO L354 Elim1Store]: treesize reduction 21, result has 52.3 percent of original size [2021-11-13 02:26:31,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 40 [2021-11-13 02:26:31,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-13 02:26:31,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-13 02:26:31,886 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:31,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 02:26:31,894 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:26:31,895 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:106 [2021-11-13 02:26:31,903 INFO L180 QuantifierPusher]: treesize reduction 49, result has 61.1 percent of original size [2021-11-13 02:26:31,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-13 02:26:31,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:26:31,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:26:31,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 02:26:31,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,937 INFO L185 QuantifierPusher]: treesize reduction 5, result has 93.8 percent of original size 76 [2021-11-13 02:26:31,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:31,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:26:31,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:26:31,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 02:26:31,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:31,968 INFO L185 QuantifierPusher]: treesize reduction 5, result has 93.8 percent of original size 76 [2021-11-13 02:26:31,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:31,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,018 INFO L180 QuantifierPusher]: treesize reduction 65, result has 79.4 percent of original size [2021-11-13 02:26:32,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:32,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:32,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-13 02:26:32,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 248 [2021-11-13 02:26:32,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:32,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:32,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:32,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:32,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:32,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:32,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:32,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:32,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:32,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:32,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:32,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:32,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:32,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:32,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:32,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:32,064 INFO L354 Elim1Store]: treesize reduction 39, result has 25.0 percent of original size [2021-11-13 02:26:32,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 99 treesize of output 75 [2021-11-13 02:26:32,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:32,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-13 02:26:32,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:32,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-13 02:26:32,067 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 02:26:32,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:32,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:32,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-13 02:26:32,075 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 02:26:32,076 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:247, output treesize:148 [2021-11-13 02:26:32,084 INFO L180 QuantifierPusher]: treesize reduction 10, result has 93.5 percent of original size [2021-11-13 02:26:32,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-13 02:26:32,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:32,095 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size 148 [2021-11-13 02:26:32,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:32,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2021-11-13 02:26:32,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,225 INFO L180 QuantifierPusher]: treesize reduction 48, result has 67.3 percent of original size [2021-11-13 02:26:32,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-13 02:26:32,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:32,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:32,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:32,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 02:26:32,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 02:26:32,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 02:26:32,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 02:26:32,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 02:26:32,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 02:26:32,271 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 40 for LOIs [2021-11-13 02:26:32,272 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 02:26:34,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 02:26:34,126 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 02:26:34,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-11-13 02:26:34,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477904287] [2021-11-13 02:26:34,126 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 02:26:34,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 02:26:34,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 02:26:34,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 02:26:34,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=382, Unknown=0, NotChecked=0, Total=462 [2021-11-13 02:26:34,127 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 9 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 02:26:34,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:26:34,226 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2021-11-13 02:26:34,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 02:26:34,226 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 9 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-11-13 02:26:34,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:26:34,228 INFO L225 Difference]: With dead ends: 28 [2021-11-13 02:26:34,229 INFO L226 Difference]: Without dead ends: 25 [2021-11-13 02:26:34,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2021-11-13 02:26:34,232 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 16 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.10ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.40ms IncrementalHoareTripleChecker+Time [2021-11-13 02:26:34,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 48 Invalid, 67 Unknown, 0 Unchecked, 1.10ms Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 67.40ms Time] [2021-11-13 02:26:34,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-13 02:26:34,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-13 02:26:34,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 02:26:34,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2021-11-13 02:26:34,245 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 20 [2021-11-13 02:26:34,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:26:34,245 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-11-13 02:26:34,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 9 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 02:26:34,245 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2021-11-13 02:26:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 02:26:34,246 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:26:34,246 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:26:34,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:26:34,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-11-13 02:26:34,450 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:26:34,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:26:34,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2055356873, now seen corresponding path program 3 times [2021-11-13 02:26:34,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 02:26:34,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773625628] [2021-11-13 02:26:34,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:26:34,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 02:26:34,461 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 02:26:34,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2055350466] [2021-11-13 02:26:34,461 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 02:26:34,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:26:34,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:26:34,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:26:34,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8094443f-9019-47a8-a505-3ec12153c73e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 02:26:34,587 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 02:26:34,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 02:26:34,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-13 02:26:34,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:26:34,613 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 10 treesize of output 8 [2021-11-13 02:26:34,659 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 27 treesize of output 15 [2021-11-13 02:26:34,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:34,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:34,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:34,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 55 [2021-11-13 02:26:34,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:34,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:34,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:34,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:34,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:34,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:34,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:34,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:34,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:34,810 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-13 02:26:34,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 68 treesize of output 65 [2021-11-13 02:26:35,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:35,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:35,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:35,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:35,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:35,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:36,539 INFO L354 Elim1Store]: treesize reduction 4490, result has 5.3 percent of original size [2021-11-13 02:26:36,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 14 new quantified variables, introduced 89 case distinctions, treesize of input 589 treesize of output 455 [2021-11-13 02:26:36,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:36,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 77 [2021-11-13 02:26:36,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 121 [2021-11-13 02:26:36,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 02:26:36,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 02:26:36,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 75 [2021-11-13 02:26:37,522 INFO L354 Elim1Store]: treesize reduction 549, result has 3.5 percent of original size [2021-11-13 02:26:37,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 3 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 124 treesize of output 59 [2021-11-13 02:26:37,575 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:26:37,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:26:50,497 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8| Int)) (or (let ((.cse0 (+ |v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_9| 1))) (and (or (<= c_~ARR_SIZE~0 .cse0) (not (= |c_assume_abort_if_not_#in~cond| 1)) (<= |v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_9| 0)) (or (not (= |c_assume_abort_if_not_#in~cond| 0)) (and (< .cse0 c_~ARR_SIZE~0) (< 0 |v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_9|))))) (= (let ((.cse5 (* |v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_9| 4))) (let ((.cse3 (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8| (let ((.cse6 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8|))) (store .cse6 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| .cse5) (+ (select .cse6 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| (- 4) .cse5)) (select .cse6 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| .cse5 4)))))))) (let ((.cse1 (let ((.cse4 (select .cse3 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_8|))) (store .cse4 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| .cse5) (+ (select .cse4 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| (- 4) .cse5)) (select .cse4 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| .cse5 4))))))) (let ((.cse2 (select (store .cse3 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_8| .cse1) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8|))) (+ (select .cse1 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8|) (select .cse1 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| 8)) (select .cse1 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| 4)) (select .cse2 |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8|) (select .cse2 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| 8)) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8| (select .cse2 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| 4))))))) 0) (exists ((|ULTIMATE.start_main_~index~0#1| Int)) (and (< (+ |ULTIMATE.start_main_~index~0#1| 1) c_~ARR_SIZE~0) (not (= (let ((.cse11 (* |ULTIMATE.start_main_~index~0#1| 4))) (let ((.cse9 (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8| (let ((.cse12 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8|))) (store .cse12 (+ .cse11 |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8|) (+ (select .cse12 (+ .cse11 |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| 4)) (select .cse12 (+ .cse11 |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| (- 4))))))))) (let ((.cse8 (let ((.cse10 (select .cse9 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_8|))) (store .cse10 (+ .cse11 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8|) (+ (select .cse10 (+ .cse11 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| (- 4))) (select .cse10 (+ .cse11 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| 4))))))) (let ((.cse7 (select (store .cse9 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_8| .cse8) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8|))) (+ (select .cse7 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| 4)) (select .cse8 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| 8)) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8| (select .cse7 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| 8)) (select .cse8 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8|) (select .cse8 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| 4)) (select .cse7 |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8|)))))) 0)) (< 0 |ULTIMATE.start_main_~index~0#1|))))) is different from true [2021-11-13 02:26:53,287 WARN L860 $PredicateComparison]: unable to prove that (or (not (= |c_assume_abort_if_not_#in~cond| 1)) (forall ((|v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8| Int)) (or (= (let ((.cse4 (* |v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_9| 4))) (let ((.cse2 (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8| (let ((.cse5 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8|))) (store .cse5 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| .cse4) (+ (select .cse5 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| (- 4) .cse4)) (select .cse5 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| .cse4 4)))))))) (let ((.cse0 (let ((.cse3 (select .cse2 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_8|))) (store .cse3 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| .cse4) (+ (select .cse3 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| (- 4) .cse4)) (select .cse3 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| .cse4 4))))))) (let ((.cse1 (select (store .cse2 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_8| .cse0) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8|))) (+ (select .cse0 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8|) (select .cse0 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| 8)) (select .cse0 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| 4)) (select .cse1 |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8|) (select .cse1 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| 8)) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8| (select .cse1 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| 4))))))) 0) (<= c_~ARR_SIZE~0 (+ |v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_9| 1)) (<= |v_ULTIMATE.start_main_~index~0#1_BEFORE_CALL_9| 0) (exists ((|ULTIMATE.start_main_~index~0#1| Int)) (and (< (+ |ULTIMATE.start_main_~index~0#1| 1) c_~ARR_SIZE~0) (not (= (let ((.cse10 (* |ULTIMATE.start_main_~index~0#1| 4))) (let ((.cse8 (store |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8| (let ((.cse11 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8|))) (store .cse11 (+ .cse10 |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8|) (+ (select .cse11 (+ .cse10 |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| 4)) (select .cse11 (+ .cse10 |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| (- 4))))))))) (let ((.cse7 (let ((.cse9 (select .cse8 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_8|))) (store .cse9 (+ .cse10 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8|) (+ (select .cse9 (+ .cse10 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| (- 4))) (select .cse9 (+ .cse10 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| 4))))))) (let ((.cse6 (select (store .cse8 |v_ULTIMATE.start_main_~#array2~0#1.base_BEFORE_CALL_8| .cse7) |v_ULTIMATE.start_main_~#array1~0#1.base_BEFORE_CALL_8|))) (+ (select .cse6 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| 4)) (select .cse7 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| 8)) |v_ULTIMATE.start_main_~sum~0#1_BEFORE_CALL_8| (select .cse6 (+ |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8| 8)) (select .cse7 |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8|) (select .cse7 (+ |v_ULTIMATE.start_main_~#array2~0#1.offset_BEFORE_CALL_8| 4)) (select .cse6 |v_ULTIMATE.start_main_~#array1~0#1.offset_BEFORE_CALL_8|)))))) 0)) (< 0 |ULTIMATE.start_main_~index~0#1|)))))) is different from true