./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs --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 f6c9b52ffa673147438276e1d7b786b060eda002f60ced6e1594740d0a0004b3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:02:31,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:02:31,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:02:31,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:02:31,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:02:31,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:02:31,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:02:31,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:02:31,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:02:31,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:02:31,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:02:31,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:02:31,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:02:31,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:02:31,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:02:31,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:02:31,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:02:31,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:02:31,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:02:31,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:02:31,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:02:31,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:02:31,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:02:31,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:02:31,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:02:31,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:02:31,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:02:31,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:02:31,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:02:31,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:02:31,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:02:31,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:02:31,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:02:31,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:02:31,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:02:31,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:02:31,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:02:31,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:02:31,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:02:31,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:02:31,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:02:31,966 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:02:32,013 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:02:32,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:02:32,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:02:32,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:02:32,015 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:02:32,015 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:02:32,016 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:02:32,016 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:02:32,022 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:02:32,022 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:02:32,023 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:02:32,024 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:02:32,024 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:02:32,024 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:02:32,024 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:02:32,024 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:02:32,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:02:32,025 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:02:32,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:02:32,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:02:32,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:02:32,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:02:32,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:02:32,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:02:32,027 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:02:32,027 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:02:32,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:02:32,028 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:02:32,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:02:32,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:02:32,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:02:32,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:02:32,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:02:32,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:02:32,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:02:32,031 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:02:32,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:02:32,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:02:32,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:02:32,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:02:32,032 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_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6c9b52ffa673147438276e1d7b786b060eda002f60ced6e1594740d0a0004b3 [2021-11-19 14:02:32,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:02:32,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:02:32,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:02:32,355 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:02:32,355 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:02:32,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i [2021-11-19 14:02:32,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/data/504cd259e/cba3fc6482334aab9f18e2b33cfcb405/FLAG14753e426 [2021-11-19 14:02:33,091 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:02:33,092 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i [2021-11-19 14:02:33,106 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/data/504cd259e/cba3fc6482334aab9f18e2b33cfcb405/FLAG14753e426 [2021-11-19 14:02:33,358 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/data/504cd259e/cba3fc6482334aab9f18e2b33cfcb405 [2021-11-19 14:02:33,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:02:33,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:02:33,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:02:33,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:02:33,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:02:33,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:02:33" (1/1) ... [2021-11-19 14:02:33,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72813298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:33, skipping insertion in model container [2021-11-19 14:02:33,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:02:33" (1/1) ... [2021-11-19 14:02:33,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:02:33,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:02:33,755 WARN L230 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_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i[23609,23622] [2021-11-19 14:02:33,896 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:33,911 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:02:33,939 WARN L230 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_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/sv-benchmarks/c/seq-pthread/cs_fib_longer-1.i[23609,23622] [2021-11-19 14:02:34,032 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:02:34,092 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:02:34,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:34 WrapperNode [2021-11-19 14:02:34,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:02:34,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:02:34,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:02:34,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:02:34,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:34" (1/1) ... [2021-11-19 14:02:34,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:34" (1/1) ... [2021-11-19 14:02:34,218 INFO L137 Inliner]: procedures = 144, calls = 395, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 731 [2021-11-19 14:02:34,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:02:34,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:02:34,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:02:34,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:02:34,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:34" (1/1) ... [2021-11-19 14:02:34,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:34" (1/1) ... [2021-11-19 14:02:34,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:34" (1/1) ... [2021-11-19 14:02:34,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:34" (1/1) ... [2021-11-19 14:02:34,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:34" (1/1) ... [2021-11-19 14:02:34,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:34" (1/1) ... [2021-11-19 14:02:34,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:34" (1/1) ... [2021-11-19 14:02:34,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:02:34,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:02:34,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:02:34,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:02:34,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:34" (1/1) ... [2021-11-19 14:02:34,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:02:34,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:02:34,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:02:34,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:02:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 14:02:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 14:02:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-19 14:02:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-19 14:02:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:02:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:02:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:02:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-19 14:02:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-19 14:02:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:02:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-19 14:02:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-19 14:02:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:02:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-19 14:02:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-19 14:02:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:02:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:02:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:02:34,685 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:02:34,703 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:02:35,011 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-19 14:02:35,012 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != ~__CS_ret~0 % 256); [2021-11-19 14:02:35,012 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-19 14:02:35,012 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0 != ~__CS_ret~0 % 256); [2021-11-19 14:02:35,013 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: SUMMARY for call __CS_cs(); srcloc: null [2021-11-19 14:02:35,014 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume 0 != ~__CS_ret~0 % 256;main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2021-11-19 14:02:35,014 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume !(0 != ~__CS_ret~0 % 256); [2021-11-19 14:02:39,005 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:02:39,191 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:02:39,191 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-19 14:02:39,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:02:39 BoogieIcfgContainer [2021-11-19 14:02:39,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:02:39,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:02:39,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:02:39,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:02:39,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:02:33" (1/3) ... [2021-11-19 14:02:39,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f23c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:02:39, skipping insertion in model container [2021-11-19 14:02:39,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:02:34" (2/3) ... [2021-11-19 14:02:39,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f23c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:02:39, skipping insertion in model container [2021-11-19 14:02:39,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:02:39" (3/3) ... [2021-11-19 14:02:39,203 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_fib_longer-1.i [2021-11-19 14:02:39,209 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:02:39,209 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:02:39,262 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:02:39,269 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 [2021-11-19 14:02:39,269 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:02:39,292 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 93 states have internal predecessors, (113), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2021-11-19 14:02:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-19 14:02:39,316 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:39,317 INFO L514 BasicCegarLoop]: trace histogram [48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:39,318 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:02:39,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:39,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1846330263, now seen corresponding path program 1 times [2021-11-19 14:02:39,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:39,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085375862] [2021-11-19 14:02:39,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:39,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-19 14:02:39,868 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:39,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085375862] [2021-11-19 14:02:39,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085375862] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:39,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:39,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:02:39,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627606842] [2021-11-19 14:02:39,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:39,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:02:39,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:39,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:02:39,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:02:39,929 INFO L87 Difference]: Start difference. First operand has 165 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 93 states have internal predecessors, (113), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2021-11-19 14:02:42,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:02:42,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:42,248 INFO L93 Difference]: Finished difference Result 329 states and 493 transitions. [2021-11-19 14:02:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:02:42,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 202 [2021-11-19 14:02:42,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:42,260 INFO L225 Difference]: With dead ends: 329 [2021-11-19 14:02:42,261 INFO L226 Difference]: Without dead ends: 165 [2021-11-19 14:02:42,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:02:42,270 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 2 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:42,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 448 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 14:02:42,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-19 14:02:42,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 164. [2021-11-19 14:02:42,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 92 states have (on average 1.2065217391304348) internal successors, (111), 92 states have internal predecessors, (111), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2021-11-19 14:02:42,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 245 transitions. [2021-11-19 14:02:42,360 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 245 transitions. Word has length 202 [2021-11-19 14:02:42,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:42,360 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 245 transitions. [2021-11-19 14:02:42,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2021-11-19 14:02:42,361 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 245 transitions. [2021-11-19 14:02:42,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-19 14:02:42,368 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:42,369 INFO L514 BasicCegarLoop]: trace histogram [48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:42,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:02:42,369 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:02:42,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:42,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1522392382, now seen corresponding path program 1 times [2021-11-19 14:02:42,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:42,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564741146] [2021-11-19 14:02:42,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:42,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:42,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2257 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-19 14:02:42,534 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:42,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564741146] [2021-11-19 14:02:42,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564741146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:42,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:42,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:02:42,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633552756] [2021-11-19 14:02:42,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:42,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:02:42,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:42,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:02:42,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:02:42,549 INFO L87 Difference]: Start difference. First operand 164 states and 245 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2021-11-19 14:02:44,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:02:44,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:44,829 INFO L93 Difference]: Finished difference Result 327 states and 490 transitions. [2021-11-19 14:02:44,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:02:44,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 204 [2021-11-19 14:02:44,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:44,833 INFO L225 Difference]: With dead ends: 327 [2021-11-19 14:02:44,834 INFO L226 Difference]: Without dead ends: 165 [2021-11-19 14:02:44,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:02:44,837 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 0 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:44,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 447 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 14:02:44,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-19 14:02:44,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2021-11-19 14:02:44,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 93 states have (on average 1.2043010752688172) internal successors, (112), 93 states have internal predecessors, (112), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2021-11-19 14:02:44,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 246 transitions. [2021-11-19 14:02:44,868 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 246 transitions. Word has length 204 [2021-11-19 14:02:44,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:44,869 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 246 transitions. [2021-11-19 14:02:44,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2021-11-19 14:02:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 246 transitions. [2021-11-19 14:02:44,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-19 14:02:44,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:44,878 INFO L514 BasicCegarLoop]: trace histogram [48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:44,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 14:02:44,887 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:02:44,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:44,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1328673857, now seen corresponding path program 1 times [2021-11-19 14:02:44,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:44,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950221132] [2021-11-19 14:02:44,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:44,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:45,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-19 14:02:45,023 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:45,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950221132] [2021-11-19 14:02:45,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950221132] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:02:45,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113098279] [2021-11-19 14:02:45,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:45,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:02:45,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:02:45,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:02:45,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 14:02:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:45,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:02:45,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:02:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-19 14:02:46,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:02:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2021-11-19 14:02:46,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113098279] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:02:46,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [776494065] [2021-11-19 14:02:46,853 INFO L159 IcfgInterpreter]: Started Sifa with 110 locations of interest [2021-11-19 14:02:46,854 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:02:46,859 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:02:46,865 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:02:46,866 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:02:47,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,411 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:47,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:02:47,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:47,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:02:47,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:47,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:02:47,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:47,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:02:47,428 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:47,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-19 14:02:47,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:47,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:02:47,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:47,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 272 [2021-11-19 14:02:47,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 790 [2021-11-19 14:02:47,536 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_39, v_~__CS_thread~0.offset_39], 22=[|v_#length_29|], 297=[|v_#valid_76|]} [2021-11-19 14:02:47,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-19 14:02:47,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:02:47,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:02:47,604 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 14:02:47,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:02:47,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-19 14:02:47,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:02:47,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:02:47,742 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 14:02:47,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:02:47,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:47,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:47,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:47,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:47,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:47,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:47,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:47,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:47,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:47,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:47,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,842 INFO L244 Elim1Store]: Index analysis took 996 ms [2021-11-19 14:02:48,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 95 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 72 [2021-11-19 14:02:48,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:48,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:02:48,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:48,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:02:48,859 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 14:02:48,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:02:48,917 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:48,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:48,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:49,389 INFO L244 Elim1Store]: Index analysis took 229 ms [2021-11-19 14:02:49,646 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-19 14:02:49,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 80 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 25 case distinctions, treesize of input 151 treesize of output 157 [2021-11-19 14:02:49,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:49,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 14:02:49,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:49,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 14:02:49,675 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:02:49,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:02:49,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:49,765 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_298|, |v_#memory_$Pointer$.base_298|], 6=[|v_#memory_int_243|]} [2021-11-19 14:02:49,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 14:02:49,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:49,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:02:49,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:49,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:02:49,801 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 14:02:49,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:02:49,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:49,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 14:02:49,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:49,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:02:49,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:49,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:02:49,906 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 14:02:49,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:02:49,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:50,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:50,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 70 [2021-11-19 14:02:50,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-19 14:02:50,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-19 14:02:50,040 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-19 14:02:50,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:02:50,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 645 [2021-11-19 14:02:50,171 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 14:02:50,172 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:780, output treesize:645 [2021-11-19 14:02:50,204 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-19 14:02:50,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,209 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:02:50,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:02:50,212 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,214 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:02:50,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 14:02:50,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 14:02:50,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:02:50,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 14:02:50,237 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,239 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:02:50,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 14:02:50,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-11-19 14:02:50,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 294 [2021-11-19 14:02:50,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-19 14:02:50,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:02:50,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:02:50,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,267 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:02:50,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 14:02:50,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 14:02:50,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 801 [2021-11-19 14:02:50,306 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_50|], 3=[|v_#memory_$Pointer$.base_299|, |v_#memory_$Pointer$.offset_299|], 36=[|v_#memory_int_244|]} [2021-11-19 14:02:50,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:02:50,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:02:50,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:02:50,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:02:50,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:02:50,339 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 14:02:50,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:02:50,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:02:50,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:02:50,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:02:50,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:02:50,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:02:50,437 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 14:02:50,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:02:50,504 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:02:50,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-19 14:02:50,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,582 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:02:50,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 14:02:50,585 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:02:50,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-19 14:02:50,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:02:50,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-19 14:02:50,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:02:50,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:02:50,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:02:50,678 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:02:50,679 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-19 14:02:50,685 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:02:50,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-11-19 14:02:50,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402233077] [2021-11-19 14:02:50,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:02:50,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:02:50,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:50,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:02:50,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:02:50,689 INFO L87 Difference]: Start difference. First operand 165 states and 246 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 1 states have call predecessors, (96), 1 states have call successors, (96) [2021-11-19 14:02:52,775 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:02:53,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:53,014 INFO L93 Difference]: Finished difference Result 330 states and 494 transitions. [2021-11-19 14:02:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:02:53,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 1 states have call predecessors, (96), 1 states have call successors, (96) Word has length 205 [2021-11-19 14:02:53,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:53,018 INFO L225 Difference]: With dead ends: 330 [2021-11-19 14:02:53,019 INFO L226 Difference]: Without dead ends: 167 [2021-11-19 14:02:53,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 407 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:02:53,021 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 0 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:53,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 670 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 14:02:53,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-11-19 14:02:53,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2021-11-19 14:02:53,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 95 states have (on average 1.2) internal successors, (114), 95 states have internal predecessors, (114), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2021-11-19 14:02:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 248 transitions. [2021-11-19 14:02:53,045 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 248 transitions. Word has length 205 [2021-11-19 14:02:53,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:53,046 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 248 transitions. [2021-11-19 14:02:53,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 1 states have call predecessors, (96), 1 states have call successors, (96) [2021-11-19 14:02:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 248 transitions. [2021-11-19 14:02:53,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-19 14:02:53,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:53,051 INFO L514 BasicCegarLoop]: trace histogram [48, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:53,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:02:53,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:02:53,265 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:02:53,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:53,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1861541919, now seen corresponding path program 2 times [2021-11-19 14:02:53,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:53,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659021737] [2021-11-19 14:02:53,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:53,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:53,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2262 trivial. 0 not checked. [2021-11-19 14:02:53,520 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:53,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659021737] [2021-11-19 14:02:53,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659021737] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:02:53,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088190826] [2021-11-19 14:02:53,521 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:02:53,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:02:53,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:02:53,522 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:02:53,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 14:02:53,883 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-19 14:02:53,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:02:53,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:02:53,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:02:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2263 trivial. 0 not checked. [2021-11-19 14:02:54,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:02:55,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2263 trivial. 0 not checked. [2021-11-19 14:02:55,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088190826] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:55,683 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:02:55,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [4] total 7 [2021-11-19 14:02:55,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273603759] [2021-11-19 14:02:55,684 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:55,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:02:55,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:02:55,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:02:55,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:02:55,686 INFO L87 Difference]: Start difference. First operand 167 states and 248 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) [2021-11-19 14:02:57,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:02:58,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:58,174 INFO L93 Difference]: Finished difference Result 325 states and 486 transitions. [2021-11-19 14:02:58,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:02:58,175 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) Word has length 207 [2021-11-19 14:02:58,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:58,189 INFO L225 Difference]: With dead ends: 325 [2021-11-19 14:02:58,189 INFO L226 Difference]: Without dead ends: 224 [2021-11-19 14:02:58,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 410 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-19 14:02:58,193 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 135 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 86 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:58,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 798 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 14:02:58,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-11-19 14:02:58,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 223. [2021-11-19 14:02:58,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 129 states have (on average 1.2635658914728682) internal successors, (163), 130 states have internal predecessors, (163), 85 states have call successors, (85), 8 states have call predecessors, (85), 8 states have return successors, (87), 84 states have call predecessors, (87), 85 states have call successors, (87) [2021-11-19 14:02:58,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 335 transitions. [2021-11-19 14:02:58,262 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 335 transitions. Word has length 207 [2021-11-19 14:02:58,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:58,262 INFO L470 AbstractCegarLoop]: Abstraction has 223 states and 335 transitions. [2021-11-19 14:02:58,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 2 states have call predecessors, (96), 2 states have call successors, (96) [2021-11-19 14:02:58,263 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 335 transitions. [2021-11-19 14:02:58,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-19 14:02:58,271 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:58,272 INFO L514 BasicCegarLoop]: trace histogram [52, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:02:58,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:02:58,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-19 14:02:58,487 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:02:58,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:58,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1787431988, now seen corresponding path program 1 times [2021-11-19 14:02:58,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:02:58,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772545073] [2021-11-19 14:02:58,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:58,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:02:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:58,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2685 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2684 trivial. 0 not checked. [2021-11-19 14:02:58,700 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:02:58,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772545073] [2021-11-19 14:02:58,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772545073] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:02:58,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962606578] [2021-11-19 14:02:58,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:58,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:02:58,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:02:58,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:02:58,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 14:02:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:59,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 14:02:59,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:02:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2685 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2684 trivial. 0 not checked. [2021-11-19 14:02:59,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:00,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2685 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2684 trivial. 0 not checked. [2021-11-19 14:03:00,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962606578] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:03:00,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2010884838] [2021-11-19 14:03:00,713 INFO L159 IcfgInterpreter]: Started Sifa with 136 locations of interest [2021-11-19 14:03:00,713 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:03:00,715 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:03:00,715 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:03:00,716 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:03:01,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:01,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 272 [2021-11-19 14:03:01,080 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:01,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:03:01,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:01,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:03:01,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:01,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:01,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:01,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:03:01,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:01,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-19 14:03:01,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:01,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:03:01,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 790 [2021-11-19 14:03:01,126 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.offset_59, v_~__CS_thread~0.base_59], 22=[|v_#length_34|], 297=[|v_#valid_82|]} [2021-11-19 14:03:01,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-19 14:03:01,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:03:01,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:03:01,167 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:01,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:01,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-19 14:03:01,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:03:01,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:03:01,273 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:01,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:01,329 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:01,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:01,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,258 INFO L244 Elim1Store]: Index analysis took 886 ms [2021-11-19 14:03:02,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 95 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 72 [2021-11-19 14:03:02,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:02,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:03:02,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:02,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:03:02,275 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:02,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:02,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:02,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:02,858 INFO L244 Elim1Store]: Index analysis took 286 ms [2021-11-19 14:03:03,138 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-19 14:03:03,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 80 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 25 case distinctions, treesize of input 151 treesize of output 157 [2021-11-19 14:03:03,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 14:03:03,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 14:03:03,169 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:03,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:03,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,255 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_328|, |v_#memory_$Pointer$.base_328|], 6=[|v_#memory_int_273|]} [2021-11-19 14:03:03,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 14:03:03,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:03:03,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:03:03,299 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:03,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:03,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 14:03:03,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:03:03,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:03:03,458 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:03,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:03,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:03,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:03,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:03,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:03,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 70 [2021-11-19 14:03:03,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-19 14:03:03,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-19 14:03:03,645 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:03,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:03,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 645 [2021-11-19 14:03:03,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 14:03:03,785 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:780, output treesize:645 [2021-11-19 14:03:03,812 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-19 14:03:03,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:03,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:03,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:03:03,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 14:03:03,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 14:03:03,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:03:03,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 14:03:03,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:03,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:03,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 14:03:03,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:03,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 14:03:03,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:03,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 14:03:03,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-11-19 14:03:03,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 294 [2021-11-19 14:03:03,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-19 14:03:03,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 801 [2021-11-19 14:03:03,921 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_50|], 3=[|v_#memory_$Pointer$.base_329|, |v_#memory_$Pointer$.offset_329|], 36=[|v_#memory_int_274|]} [2021-11-19 14:03:03,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:03,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:03,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:03,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:03,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:03,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:03,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:03,947 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 14:03:03,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:04,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:04,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:04,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:04,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:04,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:04,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:04,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:04,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:04,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:04,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:04,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:04,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:04,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:04,058 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 14:03:04,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:04,126 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:04,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:04,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-19 14:03:04,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:04,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:04,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:04,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:04,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:04,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:03:04,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 14:03:04,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:04,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:04,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-19 14:03:04,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:03:04,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-19 14:03:04,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:04,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:03:04,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:04,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:03:04,257 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:04,258 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-19 14:03:04,261 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:03:04,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2021-11-19 14:03:04,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397249363] [2021-11-19 14:03:04,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:03:04,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:03:04,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:03:04,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:03:04,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:03:04,264 INFO L87 Difference]: Start difference. First operand 223 states and 335 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2021-11-19 14:03:06,375 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:06,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:06,505 INFO L93 Difference]: Finished difference Result 454 states and 682 transitions. [2021-11-19 14:03:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:03:06,511 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 255 [2021-11-19 14:03:06,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:06,514 INFO L225 Difference]: With dead ends: 454 [2021-11-19 14:03:06,514 INFO L226 Difference]: Without dead ends: 238 [2021-11-19 14:03:06,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 507 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-19 14:03:06,516 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 12 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:06,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 446 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 14:03:06,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-11-19 14:03:06,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2021-11-19 14:03:06,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 144 states have (on average 1.2569444444444444) internal successors, (181), 145 states have internal predecessors, (181), 85 states have call successors, (85), 8 states have call predecessors, (85), 8 states have return successors, (87), 84 states have call predecessors, (87), 85 states have call successors, (87) [2021-11-19 14:03:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 353 transitions. [2021-11-19 14:03:06,541 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 353 transitions. Word has length 255 [2021-11-19 14:03:06,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:06,541 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 353 transitions. [2021-11-19 14:03:06,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2021-11-19 14:03:06,542 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 353 transitions. [2021-11-19 14:03:06,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-19 14:03:06,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:06,548 INFO L514 BasicCegarLoop]: trace histogram [52, 12, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:03:06,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:06,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-19 14:03:06,771 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:03:06,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:06,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1862434814, now seen corresponding path program 2 times [2021-11-19 14:03:06,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:03:06,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183878952] [2021-11-19 14:03:06,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:06,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:03:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2808 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2808 trivial. 0 not checked. [2021-11-19 14:03:07,195 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:03:07,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183878952] [2021-11-19 14:03:07,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183878952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:07,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:07,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 14:03:07,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132026311] [2021-11-19 14:03:07,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:07,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:03:07,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:03:07,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:03:07,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:03:07,197 INFO L87 Difference]: Start difference. First operand 238 states and 353 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-19 14:03:09,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:09,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:09,599 INFO L93 Difference]: Finished difference Result 391 states and 579 transitions. [2021-11-19 14:03:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:03:09,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 270 [2021-11-19 14:03:09,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:09,604 INFO L225 Difference]: With dead ends: 391 [2021-11-19 14:03:09,604 INFO L226 Difference]: Without dead ends: 284 [2021-11-19 14:03:09,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:03:09,606 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 67 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:09,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 660 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 14:03:09,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-11-19 14:03:09,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2021-11-19 14:03:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 170 states have (on average 1.2823529411764707) internal successors, (218), 173 states have internal predecessors, (218), 96 states have call successors, (96), 11 states have call predecessors, (96), 13 states have return successors, (103), 95 states have call predecessors, (103), 96 states have call successors, (103) [2021-11-19 14:03:09,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 417 transitions. [2021-11-19 14:03:09,651 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 417 transitions. Word has length 270 [2021-11-19 14:03:09,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:09,652 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 417 transitions. [2021-11-19 14:03:09,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-19 14:03:09,652 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 417 transitions. [2021-11-19 14:03:09,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-19 14:03:09,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:09,658 INFO L514 BasicCegarLoop]: trace histogram [52, 12, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:03:09,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-19 14:03:09,658 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:03:09,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:09,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1013751629, now seen corresponding path program 1 times [2021-11-19 14:03:09,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:03:09,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717423731] [2021-11-19 14:03:09,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:09,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:03:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:09,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2808 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2808 trivial. 0 not checked. [2021-11-19 14:03:09,981 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:03:09,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717423731] [2021-11-19 14:03:09,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717423731] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:09,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:09,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 14:03:09,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264177796] [2021-11-19 14:03:09,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:09,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:03:09,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:03:09,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:03:09,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:03:09,984 INFO L87 Difference]: Start difference. First operand 280 states and 417 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-19 14:03:12,071 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:12,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:12,390 INFO L93 Difference]: Finished difference Result 494 states and 733 transitions. [2021-11-19 14:03:12,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:03:12,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 270 [2021-11-19 14:03:12,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:12,395 INFO L225 Difference]: With dead ends: 494 [2021-11-19 14:03:12,395 INFO L226 Difference]: Without dead ends: 254 [2021-11-19 14:03:12,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:03:12,397 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 63 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:12,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 658 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 14:03:12,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-19 14:03:12,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 252. [2021-11-19 14:03:12,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 152 states have (on average 1.236842105263158) internal successors, (188), 154 states have internal predecessors, (188), 87 states have call successors, (87), 11 states have call predecessors, (87), 12 states have return successors, (92), 86 states have call predecessors, (92), 87 states have call successors, (92) [2021-11-19 14:03:12,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 367 transitions. [2021-11-19 14:03:12,427 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 367 transitions. Word has length 270 [2021-11-19 14:03:12,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:12,429 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 367 transitions. [2021-11-19 14:03:12,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (56), 1 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2021-11-19 14:03:12,429 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 367 transitions. [2021-11-19 14:03:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-19 14:03:12,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:12,435 INFO L514 BasicCegarLoop]: trace histogram [52, 12, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:03:12,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-19 14:03:12,435 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:03:12,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:12,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1903130123, now seen corresponding path program 1 times [2021-11-19 14:03:12,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:03:12,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932909559] [2021-11-19 14:03:12,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:12,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:03:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2808 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 2702 trivial. 0 not checked. [2021-11-19 14:03:12,865 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:03:12,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932909559] [2021-11-19 14:03:12,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932909559] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:03:12,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815543179] [2021-11-19 14:03:12,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:12,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:03:12,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:03:12,871 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:03:12,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 14:03:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:13,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1400 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 14:03:13,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:13,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2808 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 2702 trivial. 0 not checked. [2021-11-19 14:03:13,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:14,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2808 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 2702 trivial. 0 not checked. [2021-11-19 14:03:14,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815543179] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:03:14,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [952420815] [2021-11-19 14:03:14,813 INFO L159 IcfgInterpreter]: Started Sifa with 136 locations of interest [2021-11-19 14:03:14,813 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:03:14,814 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:03:14,815 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:03:14,815 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:03:15,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:15,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:03:15,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:15,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:15,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:15,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 272 [2021-11-19 14:03:15,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:15,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:03:15,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:15,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-19 14:03:15,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:15,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:03:15,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:15,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:03:15,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 790 [2021-11-19 14:03:15,135 INFO L446 ElimStorePlain]: Different costs {0=[v_~__CS_thread~0.base_78, v_~__CS_thread~0.offset_78], 22=[|v_#length_39|], 297=[|v_#valid_88|]} [2021-11-19 14:03:15,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-19 14:03:15,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:03:15,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:03:15,184 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:15,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:15,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2021-11-19 14:03:15,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:03:15,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:03:15,277 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:15,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:15,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:15,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:15,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,260 INFO L244 Elim1Store]: Index analysis took 898 ms [2021-11-19 14:03:16,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 95 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 72 [2021-11-19 14:03:16,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:16,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:03:16,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:16,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:03:16,271 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:16,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:16,347 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:16,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:16,883 INFO L244 Elim1Store]: Index analysis took 258 ms [2021-11-19 14:03:17,128 INFO L354 Elim1Store]: treesize reduction 253, result has 12.5 percent of original size [2021-11-19 14:03:17,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 80 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 25 case distinctions, treesize of input 151 treesize of output 157 [2021-11-19 14:03:17,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 14:03:17,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-19 14:03:17,155 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:17,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:17,204 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,218 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_365|, |v_#memory_$Pointer$.offset_365|], 6=[|v_#memory_int_310|]} [2021-11-19 14:03:17,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 14:03:17,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:03:17,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:03:17,251 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:17,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:17,299 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-19 14:03:17,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:03:17,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-11-19 14:03:17,336 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:17,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:17,383 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:17,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:17,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:17,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:17,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:17,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 70 [2021-11-19 14:03:17,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-19 14:03:17,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-19 14:03:17,445 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:17,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:17,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 645 [2021-11-19 14:03:17,535 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-19 14:03:17,535 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:780, output treesize:645 [2021-11-19 14:03:17,584 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.6 percent of original size [2021-11-19 14:03:17,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:17,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 14:03:17,595 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:17,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 14:03:17,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 293 [2021-11-19 14:03:17,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 294 [2021-11-19 14:03:17,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 309 [2021-11-19 14:03:17,612 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,613 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:17,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:17,615 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,616 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:03:17,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 14:03:17,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 14:03:17,619 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,620 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:17,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:17,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:03:17,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-19 14:03:17,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-19 14:03:17,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 801 [2021-11-19 14:03:17,705 INFO L446 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_50|], 3=[|v_#memory_$Pointer$.base_366|, |v_#memory_$Pointer$.offset_366|], 36=[|v_#memory_int_311|]} [2021-11-19 14:03:17,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:17,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:17,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:17,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,731 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:17,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:17,732 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 14:03:17,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:17,786 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:17,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:17,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:17,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:03:17,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-19 14:03:17,813 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-19 14:03:17,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:03:17,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:03:17,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 45 [2021-11-19 14:03:17,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:03:17,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 14:03:17,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:03:17,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-19 14:03:17,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:03:17,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-11-19 14:03:17,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:03:17,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:03:17,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:03:17,987 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:03:17,987 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: SIMPLIFY_QUICK does not support simplification with respect to context at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:175) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:301) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:402) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:228) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-19 14:03:17,988 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:03:17,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 10 [2021-11-19 14:03:17,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68693573] [2021-11-19 14:03:17,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:03:17,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:03:17,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:03:17,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:03:17,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:03:17,991 INFO L87 Difference]: Start difference. First operand 252 states and 367 transitions. Second operand has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2021-11-19 14:03:20,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:20,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:20,344 INFO L93 Difference]: Finished difference Result 497 states and 728 transitions. [2021-11-19 14:03:20,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 14:03:20,345 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 270 [2021-11-19 14:03:20,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:20,349 INFO L225 Difference]: With dead ends: 497 [2021-11-19 14:03:20,349 INFO L226 Difference]: Without dead ends: 267 [2021-11-19 14:03:20,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 536 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:03:20,352 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 14 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:20,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 888 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 14:03:20,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2021-11-19 14:03:20,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2021-11-19 14:03:20,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 167 states have (on average 1.2335329341317365) internal successors, (206), 169 states have internal predecessors, (206), 87 states have call successors, (87), 11 states have call predecessors, (87), 12 states have return successors, (92), 86 states have call predecessors, (92), 87 states have call successors, (92) [2021-11-19 14:03:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 385 transitions. [2021-11-19 14:03:20,378 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 385 transitions. Word has length 270 [2021-11-19 14:03:20,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:20,380 INFO L470 AbstractCegarLoop]: Abstraction has 267 states and 385 transitions. [2021-11-19 14:03:20,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.3) internal successors, (113), 10 states have internal predecessors, (113), 2 states have call successors, (112), 2 states have call predecessors, (112), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2021-11-19 14:03:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 385 transitions. [2021-11-19 14:03:20,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-19 14:03:20,386 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:20,386 INFO L514 BasicCegarLoop]: trace histogram [52, 21, 7, 7, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:03:20,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:20,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:03:20,607 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:03:20,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:20,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1908126977, now seen corresponding path program 2 times [2021-11-19 14:03:20,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:03:20,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765192369] [2021-11-19 14:03:20,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:20,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:03:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3084 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3082 trivial. 0 not checked. [2021-11-19 14:03:43,714 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:03:43,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765192369] [2021-11-19 14:03:43,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765192369] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:03:43,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192420816] [2021-11-19 14:03:43,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:03:43,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:03:43,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:03:43,719 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:03:43,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b2adf3b-eb04-4361-ae8d-b7cfc50c9f73/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process