./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH --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 041b6fdf6940cdc60d0f8513696cf56c45d5af72c3bd8ce1d60d3ac14fc6f3dc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:55:50,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:55:50,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:55:50,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:55:50,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:55:50,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:55:50,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:55:50,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:55:50,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:55:50,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:55:50,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:55:50,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:55:50,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:55:50,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:55:50,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:55:50,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:55:50,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:55:50,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:55:50,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:55:50,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:55:50,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:55:50,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:55:50,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:55:50,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:55:50,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:55:50,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:55:50,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:55:50,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:55:50,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:55:50,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:55:50,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:55:50,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:55:50,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:55:50,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:55:50,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:55:50,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:55:50,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:55:50,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:55:50,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:55:50,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:55:50,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:55:50,972 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:55:50,997 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:55:50,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:55:50,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:55:50,998 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:55:50,999 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:55:50,999 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:55:50,999 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:55:50,999 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:55:51,000 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:55:51,000 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:55:51,000 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:55:51,000 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:55:51,001 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:55:51,001 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:55:51,001 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:55:51,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:55:51,002 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:55:51,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:55:51,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:55:51,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:55:51,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:55:51,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:55:51,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:55:51,004 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:55:51,004 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:55:51,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:55:51,004 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:55:51,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:55:51,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:55:51,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:55:51,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:55:51,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:55:51,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:55:51,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:55:51,006 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:55:51,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:55:51,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:55:51,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:55:51,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:55:51,008 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_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 041b6fdf6940cdc60d0f8513696cf56c45d5af72c3bd8ce1d60d3ac14fc6f3dc [2021-11-03 04:55:51,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:55:51,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:55:51,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:55:51,306 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:55:51,307 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:55:51,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/psyco/psyco_abp_1-3.c [2021-11-03 04:55:51,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/data/f6e830996/9ce3557a2b0e47d485a273feaa77445c/FLAGbd149451e [2021-11-03 04:55:51,866 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:55:51,867 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/sv-benchmarks/c/psyco/psyco_abp_1-3.c [2021-11-03 04:55:51,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/data/f6e830996/9ce3557a2b0e47d485a273feaa77445c/FLAGbd149451e [2021-11-03 04:55:52,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/data/f6e830996/9ce3557a2b0e47d485a273feaa77445c [2021-11-03 04:55:52,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:55:52,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:55:52,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:55:52,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:55:52,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:55:52,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:55:52" (1/1) ... [2021-11-03 04:55:52,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d15d1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:52, skipping insertion in model container [2021-11-03 04:55:52,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:55:52" (1/1) ... [2021-11-03 04:55:52,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:55:52,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:55:52,757 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/sv-benchmarks/c/psyco/psyco_abp_1-3.c[24720,24733] [2021-11-03 04:55:52,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:55:52,773 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:55:52,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/sv-benchmarks/c/psyco/psyco_abp_1-3.c[24720,24733] [2021-11-03 04:55:52,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:55:52,882 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:55:52,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:52 WrapperNode [2021-11-03 04:55:52,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:55:52,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:55:52,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:55:52,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:55:52,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:52" (1/1) ... [2021-11-03 04:55:52,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:52" (1/1) ... [2021-11-03 04:55:53,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:55:53,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:55:53,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:55:53,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:55:53,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:52" (1/1) ... [2021-11-03 04:55:53,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:52" (1/1) ... [2021-11-03 04:55:53,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:52" (1/1) ... [2021-11-03 04:55:53,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:52" (1/1) ... [2021-11-03 04:55:53,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:52" (1/1) ... [2021-11-03 04:55:53,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:52" (1/1) ... [2021-11-03 04:55:53,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:52" (1/1) ... [2021-11-03 04:55:53,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:55:53,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:55:53,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:55:53,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:55:53,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:52" (1/1) ... [2021-11-03 04:55:53,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:55:53,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:55:53,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:55:53,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:55:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:55:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:55:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 04:55:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:55:54,049 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:55:54,049 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-03 04:55:54,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:55:54 BoogieIcfgContainer [2021-11-03 04:55:54,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:55:54,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:55:54,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:55:54,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:55:54,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:55:52" (1/3) ... [2021-11-03 04:55:54,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13909bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:55:54, skipping insertion in model container [2021-11-03 04:55:54,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:55:52" (2/3) ... [2021-11-03 04:55:54,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13909bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:55:54, skipping insertion in model container [2021-11-03 04:55:54,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:55:54" (3/3) ... [2021-11-03 04:55:54,063 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-3.c [2021-11-03 04:55:54,072 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:55:54,072 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:55:54,114 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:55:54,121 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 [2021-11-03 04:55:54,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 04:55:54,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 105 states have (on average 1.9714285714285715) internal successors, (207), 106 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:54,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-03 04:55:54,144 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:55:54,145 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:55:54,145 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:55:54,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:55:54,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1235094703, now seen corresponding path program 1 times [2021-11-03 04:55:54,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:55:54,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236310842] [2021-11-03 04:55:54,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:55:54,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:55:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:55:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:54,342 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:55:54,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236310842] [2021-11-03 04:55:54,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236310842] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:55:54,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:55:54,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:55:54,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085282183] [2021-11-03 04:55:54,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:55:54,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:55:54,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:55:54,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:55:54,367 INFO L87 Difference]: Start difference. First operand has 107 states, 105 states have (on average 1.9714285714285715) internal successors, (207), 106 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:54,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:55:54,394 INFO L93 Difference]: Finished difference Result 213 states and 413 transitions. [2021-11-03 04:55:54,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:55:54,395 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-03 04:55:54,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:55:54,405 INFO L225 Difference]: With dead ends: 213 [2021-11-03 04:55:54,405 INFO L226 Difference]: Without dead ends: 99 [2021-11-03 04:55:54,408 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:55:54,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-11-03 04:55:54,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-11-03 04:55:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.6734693877551021) internal successors, (164), 98 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:54,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 164 transitions. [2021-11-03 04:55:54,448 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 164 transitions. Word has length 8 [2021-11-03 04:55:54,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:55:54,448 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 164 transitions. [2021-11-03 04:55:54,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:54,449 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 164 transitions. [2021-11-03 04:55:54,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 04:55:54,450 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:55:54,450 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:55:54,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 04:55:54,450 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:55:54,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:55:54,451 INFO L85 PathProgramCache]: Analyzing trace with hash 899257357, now seen corresponding path program 1 times [2021-11-03 04:55:54,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:55:54,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481067425] [2021-11-03 04:55:54,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:55:54,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:55:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:55:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:54,502 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:55:54,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481067425] [2021-11-03 04:55:54,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481067425] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:55:54,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:55:54,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 04:55:54,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383078688] [2021-11-03 04:55:54,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:55:54,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:55:54,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:55:54,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:55:54,506 INFO L87 Difference]: Start difference. First operand 99 states and 164 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:54,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:55:54,572 INFO L93 Difference]: Finished difference Result 200 states and 331 transitions. [2021-11-03 04:55:54,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:55:54,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-03 04:55:54,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:55:54,574 INFO L225 Difference]: With dead ends: 200 [2021-11-03 04:55:54,574 INFO L226 Difference]: Without dead ends: 102 [2021-11-03 04:55:54,575 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:55:54,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-11-03 04:55:54,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2021-11-03 04:55:54,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.6534653465346534) internal successors, (167), 101 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:54,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 167 transitions. [2021-11-03 04:55:54,590 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 167 transitions. Word has length 9 [2021-11-03 04:55:54,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:55:54,591 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 167 transitions. [2021-11-03 04:55:54,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:54,591 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2021-11-03 04:55:54,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-03 04:55:54,592 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:55:54,592 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:55:54,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 04:55:54,593 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:55:54,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:55:54,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1778638772, now seen corresponding path program 1 times [2021-11-03 04:55:54,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:55:54,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254186809] [2021-11-03 04:55:54,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:55:54,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:55:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:55:54,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:54,926 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:55:54,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254186809] [2021-11-03 04:55:54,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254186809] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:55:54,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:55:54,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 04:55:54,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115273929] [2021-11-03 04:55:54,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:55:54,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:55:54,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:55:54,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:55:54,937 INFO L87 Difference]: Start difference. First operand 102 states and 167 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:55,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:55:55,226 INFO L93 Difference]: Finished difference Result 204 states and 333 transitions. [2021-11-03 04:55:55,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:55:55,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-03 04:55:55,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:55:55,229 INFO L225 Difference]: With dead ends: 204 [2021-11-03 04:55:55,230 INFO L226 Difference]: Without dead ends: 185 [2021-11-03 04:55:55,230 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:55:55,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-11-03 04:55:55,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 171. [2021-11-03 04:55:55,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.6470588235294117) internal successors, (280), 170 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:55,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 280 transitions. [2021-11-03 04:55:55,247 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 280 transitions. Word has length 14 [2021-11-03 04:55:55,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:55:55,247 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 280 transitions. [2021-11-03 04:55:55,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 280 transitions. [2021-11-03 04:55:55,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 04:55:55,248 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:55:55,248 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:55:55,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 04:55:55,249 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:55:55,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:55:55,250 INFO L85 PathProgramCache]: Analyzing trace with hash 2054474346, now seen corresponding path program 1 times [2021-11-03 04:55:55,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:55:55,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719459403] [2021-11-03 04:55:55,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:55:55,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:55:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:55:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:55,291 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:55:55,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719459403] [2021-11-03 04:55:55,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719459403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:55:55,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:55:55,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:55:55,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652843539] [2021-11-03 04:55:55,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:55:55,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:55:55,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:55:55,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:55:55,294 INFO L87 Difference]: Start difference. First operand 171 states and 280 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:55,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:55:55,336 INFO L93 Difference]: Finished difference Result 292 states and 476 transitions. [2021-11-03 04:55:55,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:55:55,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-03 04:55:55,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:55:55,338 INFO L225 Difference]: With dead ends: 292 [2021-11-03 04:55:55,339 INFO L226 Difference]: Without dead ends: 123 [2021-11-03 04:55:55,340 INFO L786 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 [2021-11-03 04:55:55,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-11-03 04:55:55,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2021-11-03 04:55:55,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.6083333333333334) internal successors, (193), 120 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:55,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 193 transitions. [2021-11-03 04:55:55,351 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 193 transitions. Word has length 15 [2021-11-03 04:55:55,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:55:55,368 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 193 transitions. [2021-11-03 04:55:55,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:55,368 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 193 transitions. [2021-11-03 04:55:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-03 04:55:55,369 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:55:55,370 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:55:55,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 04:55:55,370 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:55:55,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:55:55,371 INFO L85 PathProgramCache]: Analyzing trace with hash -728910377, now seen corresponding path program 1 times [2021-11-03 04:55:55,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:55:55,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667655070] [2021-11-03 04:55:55,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:55:55,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:55:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:55:55,470 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:55:55,471 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:55:55,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667655070] [2021-11-03 04:55:55,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667655070] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:55:55,472 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:55:55,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:55:55,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293057435] [2021-11-03 04:55:55,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:55:55,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:55:55,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:55:55,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:55:55,475 INFO L87 Difference]: Start difference. First operand 121 states and 193 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:55,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:55:55,504 INFO L93 Difference]: Finished difference Result 225 states and 357 transitions. [2021-11-03 04:55:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:55:55,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-03 04:55:55,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:55:55,506 INFO L225 Difference]: With dead ends: 225 [2021-11-03 04:55:55,506 INFO L226 Difference]: Without dead ends: 106 [2021-11-03 04:55:55,507 INFO L786 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 [2021-11-03 04:55:55,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-11-03 04:55:55,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2021-11-03 04:55:55,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.5728155339805825) internal successors, (162), 103 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:55,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 162 transitions. [2021-11-03 04:55:55,523 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 162 transitions. Word has length 20 [2021-11-03 04:55:55,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:55:55,523 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 162 transitions. [2021-11-03 04:55:55,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:55:55,524 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 162 transitions. [2021-11-03 04:55:55,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-03 04:55:55,525 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:55:55,525 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:55:55,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 04:55:55,526 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:55:55,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:55:55,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1707782936, now seen corresponding path program 1 times [2021-11-03 04:55:55,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:55:55,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539451826] [2021-11-03 04:55:55,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:55:55,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:55:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:55:55,687 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:55,687 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:55:55,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539451826] [2021-11-03 04:55:55,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539451826] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:55:55,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811139567] [2021-11-03 04:55:55,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:55:55,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:55:55,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:55:55,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:55:55,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 04:55:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:55:55,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 04:55:55,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:55:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:55,920 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:55:56,026 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:55:56,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811139567] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:55:56,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1583529213] [2021-11-03 04:55:56,054 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2021-11-03 04:55:56,054 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:55:56,059 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:55:56,068 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:55:56,068 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:55:56,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:55:56,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:55:56,152 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:55:56,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:55:56,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:55:56,180 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_9|], 21=[|v_#valid_10|]} [2021-11-03 04:55:56,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:55:56,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:55:56,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:55:56,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:55:56,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:55:56,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:55:56,204 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:55:56,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:56,220 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:55:56,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:55:56,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:55:56,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:55:56,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:55:56,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:55:56,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:55:56,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:55:56,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:55:56,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:55:56,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:55:56,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:55:56,246 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:55:56,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:56,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:55:56,278 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:55:56,278 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:146, output treesize:121 [2021-11-03 04:55:56,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:55:56,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:55:56,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:55:56,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:55:56,456 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.1 percent of original size [2021-11-03 04:55:56,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:55:56,478 INFO L180 QuantifierPusher]: treesize reduction 29, result has 87.6 percent of original size [2021-11-03 04:55:56,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-03 04:55:56,505 INFO L180 QuantifierPusher]: treesize reduction 104, result has 69.5 percent of original size [2021-11-03 04:55:56,519 INFO L185 QuantifierPusher]: treesize reduction 14, result has 93.8 percent of original size 210 [2021-11-03 04:55:56,544 INFO L180 QuantifierPusher]: treesize reduction 14, result has 95.7 percent of original size [2021-11-03 04:55:56,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 04:55:56,588 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.1 percent of original size [2021-11-03 04:55:56,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:55:56,612 INFO L180 QuantifierPusher]: treesize reduction 29, result has 87.6 percent of original size [2021-11-03 04:55:56,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-03 04:55:56,642 INFO L180 QuantifierPusher]: treesize reduction 104, result has 69.5 percent of original size [2021-11-03 04:55:56,653 INFO L185 QuantifierPusher]: treesize reduction 14, result has 93.8 percent of original size 210 [2021-11-03 04:55:56,674 INFO L180 QuantifierPusher]: treesize reduction 14, result has 95.7 percent of original size [2021-11-03 04:55:56,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-11-03 04:55:56,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:56,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:56,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:56,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:56,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:56,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 623 [2021-11-03 04:55:57,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:57,077 INFO L185 QuantifierPusher]: treesize reduction 186, result has 69.3 percent of original size 419 [2021-11-03 04:55:57,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:57,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:55:57,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:57,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:55:57,411 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.1 percent of original size [2021-11-03 04:55:57,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:55:57,428 INFO L180 QuantifierPusher]: treesize reduction 29, result has 87.6 percent of original size [2021-11-03 04:55:57,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-03 04:55:57,464 INFO L180 QuantifierPusher]: treesize reduction 104, result has 69.5 percent of original size [2021-11-03 04:55:57,475 INFO L185 QuantifierPusher]: treesize reduction 14, result has 93.8 percent of original size 210 [2021-11-03 04:55:57,493 INFO L180 QuantifierPusher]: treesize reduction 14, result has 95.7 percent of original size [2021-11-03 04:55:57,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-11-03 04:55:57,542 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.1 percent of original size [2021-11-03 04:55:57,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:55:57,567 INFO L180 QuantifierPusher]: treesize reduction 29, result has 87.6 percent of original size [2021-11-03 04:55:57,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-03 04:55:57,594 INFO L180 QuantifierPusher]: treesize reduction 104, result has 69.5 percent of original size [2021-11-03 04:55:57,606 INFO L185 QuantifierPusher]: treesize reduction 16, result has 93.2 percent of original size 219 [2021-11-03 04:55:57,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:55:57,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 256 [2021-11-03 04:55:57,899 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.8 percent of original size [2021-11-03 04:55:57,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-03 04:55:57,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:57,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:55:58,012 INFO L180 QuantifierPusher]: treesize reduction 14, result has 95.0 percent of original size [2021-11-03 04:55:58,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-03 04:55:58,037 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:56:03,523 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:56:03,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:56:03,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9 [2021-11-03 04:56:03,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197226848] [2021-11-03 04:56:03,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 04:56:03,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:56:03,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 04:56:03,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2021-11-03 04:56:03,526 INFO L87 Difference]: Start difference. First operand 104 states and 162 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:04,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:56:04,086 INFO L93 Difference]: Finished difference Result 358 states and 563 transitions. [2021-11-03 04:56:04,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 04:56:04,086 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-03 04:56:04,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:56:04,089 INFO L225 Difference]: With dead ends: 358 [2021-11-03 04:56:04,089 INFO L226 Difference]: Without dead ends: 318 [2021-11-03 04:56:04,090 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2021-11-03 04:56:04,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-11-03 04:56:04,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 274. [2021-11-03 04:56:04,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 273 states have (on average 1.586080586080586) internal successors, (433), 273 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:04,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 433 transitions. [2021-11-03 04:56:04,110 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 433 transitions. Word has length 22 [2021-11-03 04:56:04,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:56:04,110 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 433 transitions. [2021-11-03 04:56:04,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:04,111 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 433 transitions. [2021-11-03 04:56:04,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-03 04:56:04,112 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:56:04,112 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:56:04,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:56:04,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:56:04,328 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:56:04,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:56:04,329 INFO L85 PathProgramCache]: Analyzing trace with hash -97156331, now seen corresponding path program 1 times [2021-11-03 04:56:04,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:56:04,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416280639] [2021-11-03 04:56:04,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:56:04,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:56:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:56:04,367 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 04:56:04,367 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:56:04,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416280639] [2021-11-03 04:56:04,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416280639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:56:04,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:56:04,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:56:04,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375619461] [2021-11-03 04:56:04,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:56:04,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:56:04,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:56:04,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:56:04,369 INFO L87 Difference]: Start difference. First operand 274 states and 433 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:04,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:56:04,402 INFO L93 Difference]: Finished difference Result 547 states and 860 transitions. [2021-11-03 04:56:04,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:56:04,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-03 04:56:04,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:56:04,405 INFO L225 Difference]: With dead ends: 547 [2021-11-03 04:56:04,405 INFO L226 Difference]: Without dead ends: 296 [2021-11-03 04:56:04,409 INFO L786 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 [2021-11-03 04:56:04,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-11-03 04:56:04,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 294. [2021-11-03 04:56:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 293 states have (on average 1.546075085324232) internal successors, (453), 293 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 453 transitions. [2021-11-03 04:56:04,431 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 453 transitions. Word has length 24 [2021-11-03 04:56:04,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:56:04,432 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 453 transitions. [2021-11-03 04:56:04,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 453 transitions. [2021-11-03 04:56:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-03 04:56:04,437 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:56:04,437 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:56:04,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-03 04:56:04,438 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:56:04,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:56:04,438 INFO L85 PathProgramCache]: Analyzing trace with hash -2003320486, now seen corresponding path program 1 times [2021-11-03 04:56:04,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:56:04,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194176425] [2021-11-03 04:56:04,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:56:04,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:56:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:56:04,583 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:56:04,583 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:56:04,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194176425] [2021-11-03 04:56:04,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194176425] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:56:04,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257169990] [2021-11-03 04:56:04,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:56:04,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:56:04,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:56:04,588 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:56:04,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 04:56:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:56:04,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 04:56:04,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:56:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-03 04:56:04,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:56:05,111 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-03 04:56:05,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257169990] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:56:05,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-03 04:56:05,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2021-11-03 04:56:05,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278382887] [2021-11-03 04:56:05,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:56:05,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:56:05,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:56:05,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:56:05,117 INFO L87 Difference]: Start difference. First operand 294 states and 453 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:05,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:56:05,134 INFO L93 Difference]: Finished difference Result 297 states and 455 transitions. [2021-11-03 04:56:05,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:56:05,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-03 04:56:05,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:56:05,137 INFO L225 Difference]: With dead ends: 297 [2021-11-03 04:56:05,137 INFO L226 Difference]: Without dead ends: 291 [2021-11-03 04:56:05,137 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:56:05,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-11-03 04:56:05,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 290. [2021-11-03 04:56:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 289 states have (on average 1.5259515570934257) internal successors, (441), 289 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 441 transitions. [2021-11-03 04:56:05,148 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 441 transitions. Word has length 26 [2021-11-03 04:56:05,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:56:05,148 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 441 transitions. [2021-11-03 04:56:05,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:05,149 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 441 transitions. [2021-11-03 04:56:05,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 04:56:05,151 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:56:05,151 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:56:05,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:56:05,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-11-03 04:56:05,372 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:56:05,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:56:05,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1408238156, now seen corresponding path program 1 times [2021-11-03 04:56:05,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:56:05,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727117680] [2021-11-03 04:56:05,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:56:05,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:56:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:56:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 04:56:05,423 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:56:05,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727117680] [2021-11-03 04:56:05,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727117680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:56:05,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:56:05,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:56:05,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13650880] [2021-11-03 04:56:05,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:56:05,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:56:05,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:56:05,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:56:05,427 INFO L87 Difference]: Start difference. First operand 290 states and 441 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:05,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:56:05,452 INFO L93 Difference]: Finished difference Result 509 states and 774 transitions. [2021-11-03 04:56:05,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:56:05,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-03 04:56:05,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:56:05,456 INFO L225 Difference]: With dead ends: 509 [2021-11-03 04:56:05,456 INFO L226 Difference]: Without dead ends: 242 [2021-11-03 04:56:05,456 INFO L786 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 [2021-11-03 04:56:05,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-11-03 04:56:05,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 240. [2021-11-03 04:56:05,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.506276150627615) internal successors, (360), 239 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 360 transitions. [2021-11-03 04:56:05,466 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 360 transitions. Word has length 32 [2021-11-03 04:56:05,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:56:05,466 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 360 transitions. [2021-11-03 04:56:05,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 360 transitions. [2021-11-03 04:56:05,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-03 04:56:05,471 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:56:05,471 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 2, 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] [2021-11-03 04:56:05,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-03 04:56:05,471 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:56:05,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:56:05,472 INFO L85 PathProgramCache]: Analyzing trace with hash -487022107, now seen corresponding path program 1 times [2021-11-03 04:56:05,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:56:05,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016332636] [2021-11-03 04:56:05,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:56:05,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:56:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:56:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-03 04:56:05,518 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:56:05,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016332636] [2021-11-03 04:56:05,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016332636] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:56:05,519 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:56:05,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:56:05,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207083283] [2021-11-03 04:56:05,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:56:05,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:56:05,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:56:05,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:56:05,521 INFO L87 Difference]: Start difference. First operand 240 states and 360 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:05,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:56:05,547 INFO L93 Difference]: Finished difference Result 423 states and 631 transitions. [2021-11-03 04:56:05,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:56:05,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-03 04:56:05,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:56:05,550 INFO L225 Difference]: With dead ends: 423 [2021-11-03 04:56:05,550 INFO L226 Difference]: Without dead ends: 224 [2021-11-03 04:56:05,551 INFO L786 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 [2021-11-03 04:56:05,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-11-03 04:56:05,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2021-11-03 04:56:05,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.4615384615384615) internal successors, (323), 221 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:05,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 323 transitions. [2021-11-03 04:56:05,560 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 323 transitions. Word has length 36 [2021-11-03 04:56:05,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:56:05,560 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 323 transitions. [2021-11-03 04:56:05,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:05,561 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 323 transitions. [2021-11-03 04:56:05,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 04:56:05,561 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:56:05,561 INFO L513 BasicCegarLoop]: trace histogram [5, 4, 3, 3, 2, 2, 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] [2021-11-03 04:56:05,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-03 04:56:05,562 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:56:05,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:56:05,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1378383767, now seen corresponding path program 1 times [2021-11-03 04:56:05,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:56:05,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499212554] [2021-11-03 04:56:05,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:56:05,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:56:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:56:05,624 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-03 04:56:05,625 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:56:05,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499212554] [2021-11-03 04:56:05,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499212554] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:56:05,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:56:05,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:56:05,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313397530] [2021-11-03 04:56:05,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:56:05,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:56:05,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:56:05,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:56:05,627 INFO L87 Difference]: Start difference. First operand 222 states and 323 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:05,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:56:05,650 INFO L93 Difference]: Finished difference Result 304 states and 441 transitions. [2021-11-03 04:56:05,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:56:05,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-03 04:56:05,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:56:05,653 INFO L225 Difference]: With dead ends: 304 [2021-11-03 04:56:05,653 INFO L226 Difference]: Without dead ends: 142 [2021-11-03 04:56:05,654 INFO L786 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 [2021-11-03 04:56:05,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-03 04:56:05,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2021-11-03 04:56:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.4244604316546763) internal successors, (198), 139 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 198 transitions. [2021-11-03 04:56:05,659 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 198 transitions. Word has length 45 [2021-11-03 04:56:05,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:56:05,660 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 198 transitions. [2021-11-03 04:56:05,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:05,660 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 198 transitions. [2021-11-03 04:56:05,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-03 04:56:05,661 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:56:05,662 INFO L513 BasicCegarLoop]: trace histogram [5, 4, 3, 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] [2021-11-03 04:56:05,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-03 04:56:05,662 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:56:05,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:56:05,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1173572958, now seen corresponding path program 1 times [2021-11-03 04:56:05,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:56:05,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51048326] [2021-11-03 04:56:05,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:56:05,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:56:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:56:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-03 04:56:05,775 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:56:05,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51048326] [2021-11-03 04:56:05,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51048326] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:56:05,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590912864] [2021-11-03 04:56:05,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:56:05,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:56:05,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:56:05,777 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:56:05,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 04:56:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:56:05,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-03 04:56:05,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:56:06,236 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:56:06,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:56:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:56:06,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590912864] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:56:06,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1333094885] [2021-11-03 04:56:06,615 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2021-11-03 04:56:06,615 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:56:06,618 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:56:06,618 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:56:06,618 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:56:06,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:56:06,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:56:06,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:56:06,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:56:06,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:56:06,658 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_10|], 21=[|v_#valid_11|]} [2021-11-03 04:56:06,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:56:06,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:56:06,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:56:06,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:56:06,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:56:06,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:56:06,673 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:56:06,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:06,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:56:06,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:56:06,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:56:06,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:56:06,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:56:06,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:56:06,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:56:06,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:56:06,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:56:06,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:56:06,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:56:06,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:56:06,704 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:56:06,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:06,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:56:06,713 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:56:06,714 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:146, output treesize:121 [2021-11-03 04:56:06,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:56:06,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-03 04:56:06,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:56:06,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:56:06,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:06,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:06,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:06,925 INFO L180 QuantifierPusher]: treesize reduction 3, result has 99.4 percent of original size [2021-11-03 04:56:06,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 470 [2021-11-03 04:56:06,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 470 [2021-11-03 04:56:06,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:06,974 INFO L185 QuantifierPusher]: treesize reduction 75, result has 73.2 percent of original size 205 [2021-11-03 04:56:06,990 INFO L180 QuantifierPusher]: treesize reduction 75, result has 80.3 percent of original size [2021-11-03 04:56:07,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-03 04:56:07,032 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:56:07,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 470 [2021-11-03 04:56:07,059 INFO L180 QuantifierPusher]: treesize reduction 29, result has 94.3 percent of original size [2021-11-03 04:56:07,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 475 [2021-11-03 04:56:07,093 INFO L180 QuantifierPusher]: treesize reduction 104, result has 83.1 percent of original size [2021-11-03 04:56:07,113 INFO L185 QuantifierPusher]: treesize reduction 85, result has 72.8 percent of original size 228 [2021-11-03 04:56:07,144 INFO L180 QuantifierPusher]: treesize reduction 85, result has 79.4 percent of original size [2021-11-03 04:56:07,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-03 04:56:07,177 INFO L180 QuantifierPusher]: treesize reduction 256, result has 0.4 percent of original size [2021-11-03 04:56:07,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:07,195 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:56:07,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 470 [2021-11-03 04:56:07,220 INFO L180 QuantifierPusher]: treesize reduction 29, result has 94.3 percent of original size [2021-11-03 04:56:07,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 475 [2021-11-03 04:56:07,255 INFO L180 QuantifierPusher]: treesize reduction 104, result has 83.1 percent of original size [2021-11-03 04:56:07,285 INFO L185 QuantifierPusher]: treesize reduction 85, result has 72.8 percent of original size 228 [2021-11-03 04:56:07,328 INFO L180 QuantifierPusher]: treesize reduction 85, result has 79.4 percent of original size [2021-11-03 04:56:07,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-03 04:56:07,350 INFO L180 QuantifierPusher]: treesize reduction 236, result has 0.4 percent of original size [2021-11-03 04:56:07,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:07,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:07,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:07,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:07,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:07,608 INFO L180 QuantifierPusher]: treesize reduction 36, result has 94.7 percent of original size [2021-11-03 04:56:07,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-11-03 04:56:07,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:07,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 632 [2021-11-03 04:56:07,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:07,736 INFO L185 QuantifierPusher]: treesize reduction 186, result has 69.9 percent of original size 431 [2021-11-03 04:56:07,775 INFO L180 QuantifierPusher]: treesize reduction 188, result has 71.6 percent of original size [2021-11-03 04:56:07,788 INFO L185 QuantifierPusher]: treesize reduction 12, result has 95.4 percent of original size 250 [2021-11-03 04:56:07,819 INFO L180 QuantifierPusher]: treesize reduction 40, result has 94.2 percent of original size [2021-11-03 04:56:07,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-11-03 04:56:07,847 INFO L180 QuantifierPusher]: treesize reduction 8, result has 98.8 percent of original size [2021-11-03 04:56:07,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-11-03 04:56:07,873 INFO L180 QuantifierPusher]: treesize reduction 8, result has 98.8 percent of original size [2021-11-03 04:56:07,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 640 [2021-11-03 04:56:07,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:07,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 632 [2021-11-03 04:56:07,930 INFO L180 QuantifierPusher]: treesize reduction 88, result has 88.1 percent of original size [2021-11-03 04:56:07,991 INFO L185 QuantifierPusher]: treesize reduction 192, result has 69.4 percent of original size 436 [2021-11-03 04:56:08,030 INFO L180 QuantifierPusher]: treesize reduction 405, result has 55.2 percent of original size [2021-11-03 04:56:08,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:08,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,175 INFO L180 QuantifierPusher]: treesize reduction 16, result has 97.6 percent of original size [2021-11-03 04:56:08,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:56:08,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:08,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-03 04:56:08,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:56:08,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:08,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-03 04:56:08,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:56:08,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:08,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:56:08,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:08,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:56:08,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:56:08,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:56:08,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:08,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 322 [2021-11-03 04:56:08,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 494 [2021-11-03 04:56:08,310 INFO L180 QuantifierPusher]: treesize reduction 509, result has 0.2 percent of original size [2021-11-03 04:56:08,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:08,323 INFO L180 QuantifierPusher]: treesize reduction 513, result has 0.2 percent of original size [2021-11-03 04:56:08,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:08,332 INFO L180 QuantifierPusher]: treesize reduction 513, result has 0.2 percent of original size [2021-11-03 04:56:08,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:08,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,564 INFO L180 QuantifierPusher]: treesize reduction 89, result has 62.0 percent of original size [2021-11-03 04:56:08,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:56:08,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:08,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:56:08,578 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.3 percent of original size [2021-11-03 04:56:08,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-03 04:56:08,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:08,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:56:08,596 INFO L180 QuantifierPusher]: treesize reduction 93, result has 60.9 percent of original size [2021-11-03 04:56:08,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:56:08,602 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.8 percent of original size [2021-11-03 04:56:08,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:56:08,608 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.8 percent of original size [2021-11-03 04:56:08,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:56:08,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:08,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:56:08,640 INFO L180 QuantifierPusher]: treesize reduction 88, result has 63.2 percent of original size [2021-11-03 04:56:08,643 INFO L185 QuantifierPusher]: treesize reduction 11, result has 92.5 percent of original size 136 [2021-11-03 04:56:08,657 INFO L180 QuantifierPusher]: treesize reduction 224, result has 47.0 percent of original size [2021-11-03 04:56:08,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-03 04:56:08,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,742 INFO L180 QuantifierPusher]: treesize reduction 72, result has 76.9 percent of original size [2021-11-03 04:56:08,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-03 04:56:08,756 INFO L180 QuantifierPusher]: treesize reduction 157, result has 0.6 percent of original size [2021-11-03 04:56:08,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:08,762 INFO L180 QuantifierPusher]: treesize reduction 161, result has 0.6 percent of original size [2021-11-03 04:56:08,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:08,766 INFO L180 QuantifierPusher]: treesize reduction 161, result has 0.6 percent of original size [2021-11-03 04:56:08,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:08,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:08,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,030 INFO L180 QuantifierPusher]: treesize reduction 125, result has 70.3 percent of original size [2021-11-03 04:56:09,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 292 [2021-11-03 04:56:09,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:09,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-11-03 04:56:09,050 INFO L180 QuantifierPusher]: treesize reduction 8, result has 97.3 percent of original size [2021-11-03 04:56:09,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:56:09,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:09,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-11-03 04:56:09,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 273 [2021-11-03 04:56:09,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:09,085 INFO L185 QuantifierPusher]: treesize reduction 24, result has 87.4 percent of original size 166 [2021-11-03 04:56:09,099 INFO L180 QuantifierPusher]: treesize reduction 129, result has 69.6 percent of original size [2021-11-03 04:56:09,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 292 [2021-11-03 04:56:09,109 INFO L180 QuantifierPusher]: treesize reduction 8, result has 97.4 percent of original size [2021-11-03 04:56:09,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 292 [2021-11-03 04:56:09,119 INFO L180 QuantifierPusher]: treesize reduction 8, result has 97.4 percent of original size [2021-11-03 04:56:09,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 292 [2021-11-03 04:56:09,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:09,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 284 [2021-11-03 04:56:09,143 INFO L180 QuantifierPusher]: treesize reduction 88, result has 77.4 percent of original size [2021-11-03 04:56:09,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:56:09,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:09,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-11-03 04:56:09,163 INFO L185 QuantifierPusher]: treesize reduction 11, result has 96.2 percent of original size 281 [2021-11-03 04:56:09,179 INFO L180 QuantifierPusher]: treesize reduction 224, result has 60.6 percent of original size [2021-11-03 04:56:09,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-03 04:56:09,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,281 INFO L180 QuantifierPusher]: treesize reduction 72, result has 76.7 percent of original size [2021-11-03 04:56:09,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-11-03 04:56:09,295 INFO L180 QuantifierPusher]: treesize reduction 154, result has 0.6 percent of original size [2021-11-03 04:56:09,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:09,301 INFO L180 QuantifierPusher]: treesize reduction 158, result has 0.6 percent of original size [2021-11-03 04:56:09,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:09,305 INFO L180 QuantifierPusher]: treesize reduction 158, result has 0.6 percent of original size [2021-11-03 04:56:09,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:09,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,469 INFO L180 QuantifierPusher]: treesize reduction 83, result has 63.1 percent of original size [2021-11-03 04:56:09,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-03 04:56:09,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:09,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-03 04:56:09,484 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.2 percent of original size [2021-11-03 04:56:09,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-03 04:56:09,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:09,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-03 04:56:09,501 INFO L180 QuantifierPusher]: treesize reduction 87, result has 62.0 percent of original size [2021-11-03 04:56:09,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-03 04:56:09,508 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.7 percent of original size [2021-11-03 04:56:09,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-03 04:56:09,514 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.7 percent of original size [2021-11-03 04:56:09,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-03 04:56:09,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:09,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-03 04:56:09,530 INFO L180 QuantifierPusher]: treesize reduction 88, result has 62.7 percent of original size [2021-11-03 04:56:09,533 INFO L185 QuantifierPusher]: treesize reduction 11, result has 92.4 percent of original size 133 [2021-11-03 04:56:09,546 INFO L180 QuantifierPusher]: treesize reduction 224, result has 46.7 percent of original size [2021-11-03 04:56:09,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:56:09,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,622 INFO L180 QuantifierPusher]: treesize reduction 72, result has 76.5 percent of original size [2021-11-03 04:56:09,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:56:09,637 INFO L180 QuantifierPusher]: treesize reduction 151, result has 0.7 percent of original size [2021-11-03 04:56:09,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:09,643 INFO L180 QuantifierPusher]: treesize reduction 155, result has 0.6 percent of original size [2021-11-03 04:56:09,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:09,646 INFO L180 QuantifierPusher]: treesize reduction 155, result has 0.6 percent of original size [2021-11-03 04:56:09,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:09,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,695 INFO L180 QuantifierPusher]: treesize reduction 83, result has 63.1 percent of original size [2021-11-03 04:56:09,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-03 04:56:09,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:09,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-03 04:56:09,710 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.2 percent of original size [2021-11-03 04:56:09,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-03 04:56:09,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:09,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-03 04:56:09,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,772 INFO L180 QuantifierPusher]: treesize reduction 87, result has 62.0 percent of original size [2021-11-03 04:56:09,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-03 04:56:09,780 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.7 percent of original size [2021-11-03 04:56:09,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-03 04:56:09,790 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.7 percent of original size [2021-11-03 04:56:09,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-03 04:56:09,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:09,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-03 04:56:09,808 INFO L180 QuantifierPusher]: treesize reduction 88, result has 62.7 percent of original size [2021-11-03 04:56:09,812 INFO L185 QuantifierPusher]: treesize reduction 11, result has 92.4 percent of original size 133 [2021-11-03 04:56:09,826 INFO L180 QuantifierPusher]: treesize reduction 224, result has 46.7 percent of original size [2021-11-03 04:56:09,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2021-11-03 04:56:09,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,924 INFO L180 QuantifierPusher]: treesize reduction 72, result has 76.5 percent of original size [2021-11-03 04:56:09,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:56:09,939 INFO L180 QuantifierPusher]: treesize reduction 151, result has 0.7 percent of original size [2021-11-03 04:56:09,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:09,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:09,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,156 INFO L180 QuantifierPusher]: treesize reduction 155, result has 0.6 percent of original size [2021-11-03 04:56:10,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:10,166 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.6 percent of original size [2021-11-03 04:56:10,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 470 [2021-11-03 04:56:10,192 INFO L180 QuantifierPusher]: treesize reduction 29, result has 94.3 percent of original size [2021-11-03 04:56:10,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 475 [2021-11-03 04:56:10,222 INFO L180 QuantifierPusher]: treesize reduction 104, result has 83.1 percent of original size [2021-11-03 04:56:10,241 INFO L185 QuantifierPusher]: treesize reduction 85, result has 72.0 percent of original size 219 [2021-11-03 04:56:10,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,381 INFO L180 QuantifierPusher]: treesize reduction 85, result has 79.0 percent of original size [2021-11-03 04:56:10,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-11-03 04:56:10,402 INFO L180 QuantifierPusher]: treesize reduction 247, result has 0.4 percent of original size [2021-11-03 04:56:10,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 04:56:10,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:10,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 551 [2021-11-03 04:56:10,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:10,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:56:10,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:10,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:56:10,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:10,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-03 04:56:10,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 734 [2021-11-03 04:56:10,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 741 [2021-11-03 04:56:10,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:10,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:56:10,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:10,905 INFO L180 QuantifierPusher]: treesize reduction 91, result has 60.9 percent of original size [2021-11-03 04:56:10,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-03 04:56:10,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:56:10,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-03 04:56:10,920 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.2 percent of original size [2021-11-03 04:56:10,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-03 04:56:10,926 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:56:18,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:56:18,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:56:18,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2021-11-03 04:56:18,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872630383] [2021-11-03 04:56:18,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 04:56:18,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:56:18,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 04:56:18,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1533, Unknown=0, NotChecked=0, Total=1806 [2021-11-03 04:56:18,400 INFO L87 Difference]: Start difference. First operand 140 states and 198 transitions. Second operand has 14 states, 14 states have (on average 8.571428571428571) internal successors, (120), 14 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:18,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:56:18,622 INFO L93 Difference]: Finished difference Result 162 states and 230 transitions. [2021-11-03 04:56:18,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 04:56:18,623 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.571428571428571) internal successors, (120), 14 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-03 04:56:18,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:56:18,624 INFO L225 Difference]: With dead ends: 162 [2021-11-03 04:56:18,624 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 04:56:18,625 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=317, Invalid=1939, Unknown=0, NotChecked=0, Total=2256 [2021-11-03 04:56:18,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 04:56:18,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 04:56:18,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:18,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 04:56:18,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2021-11-03 04:56:18,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:56:18,625 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 04:56:18,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.571428571428571) internal successors, (120), 14 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:56:18,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 04:56:18,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 04:56:18,628 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:56:18,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:56:18,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2021-11-03 04:56:18,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-03 04:56:18,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:18,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:18,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:18,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:56:19,033 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 434) no Hoare annotation was computed. [2021-11-03 04:56:19,033 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 302) no Hoare annotation was computed. [2021-11-03 04:56:19,033 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 170) no Hoare annotation was computed. [2021-11-03 04:56:19,034 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 534) no Hoare annotation was computed. [2021-11-03 04:56:19,034 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 402) no Hoare annotation was computed. [2021-11-03 04:56:19,034 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 270) no Hoare annotation was computed. [2021-11-03 04:56:19,034 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 502) no Hoare annotation was computed. [2021-11-03 04:56:19,034 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2021-11-03 04:56:19,034 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2021-11-03 04:56:19,034 INFO L857 garLoopResultBuilder]: For program point L41(lines 41 60) no Hoare annotation was computed. [2021-11-03 04:56:19,035 INFO L857 garLoopResultBuilder]: For program point L42(lines 42 57) no Hoare annotation was computed. [2021-11-03 04:56:19,035 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 157) no Hoare annotation was computed. [2021-11-03 04:56:19,035 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 257) no Hoare annotation was computed. [2021-11-03 04:56:19,035 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 125) no Hoare annotation was computed. [2021-11-03 04:56:19,035 INFO L857 garLoopResultBuilder]: For program point L44(lines 44 55) no Hoare annotation was computed. [2021-11-03 04:56:19,035 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 357) no Hoare annotation was computed. [2021-11-03 04:56:19,035 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 225) no Hoare annotation was computed. [2021-11-03 04:56:19,036 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 155) no Hoare annotation was computed. [2021-11-03 04:56:19,036 INFO L857 garLoopResultBuilder]: For program point L78(lines 78 93) no Hoare annotation was computed. [2021-11-03 04:56:19,036 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 457) no Hoare annotation was computed. [2021-11-03 04:56:19,036 INFO L857 garLoopResultBuilder]: For program point L310(lines 310 325) no Hoare annotation was computed. [2021-11-03 04:56:19,036 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 255) no Hoare annotation was computed. [2021-11-03 04:56:19,036 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 193) no Hoare annotation was computed. [2021-11-03 04:56:19,036 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 123) no Hoare annotation was computed. [2021-11-03 04:56:19,036 INFO L857 garLoopResultBuilder]: For program point L542(lines 542 557) no Hoare annotation was computed. [2021-11-03 04:56:19,036 INFO L857 garLoopResultBuilder]: For program point L410(lines 410 425) no Hoare annotation was computed. [2021-11-03 04:56:19,037 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 355) no Hoare annotation was computed. [2021-11-03 04:56:19,037 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 293) no Hoare annotation was computed. [2021-11-03 04:56:19,037 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 223) no Hoare annotation was computed. [2021-11-03 04:56:19,037 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 91) no Hoare annotation was computed. [2021-11-03 04:56:19,037 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 525) no Hoare annotation was computed. [2021-11-03 04:56:19,037 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 455) no Hoare annotation was computed. [2021-11-03 04:56:19,037 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 393) no Hoare annotation was computed. [2021-11-03 04:56:19,038 INFO L857 garLoopResultBuilder]: For program point L312(lines 312 323) no Hoare annotation was computed. [2021-11-03 04:56:19,038 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2021-11-03 04:56:19,038 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 50) no Hoare annotation was computed. [2021-11-03 04:56:19,038 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 555) no Hoare annotation was computed. [2021-11-03 04:56:19,038 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 493) no Hoare annotation was computed. [2021-11-03 04:56:19,038 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-11-03 04:56:19,038 INFO L857 garLoopResultBuilder]: For program point L280(lines 280 291) no Hoare annotation was computed. [2021-11-03 04:56:19,039 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 150) no Hoare annotation was computed. [2021-11-03 04:56:19,039 INFO L860 garLoopResultBuilder]: At program point L16(lines 16 568) the Hoare annotation is: true [2021-11-03 04:56:19,039 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 523) no Hoare annotation was computed. [2021-11-03 04:56:19,039 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 391) no Hoare annotation was computed. [2021-11-03 04:56:19,039 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 250) no Hoare annotation was computed. [2021-11-03 04:56:19,039 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 118) no Hoare annotation was computed. [2021-11-03 04:56:19,040 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 491) no Hoare annotation was computed. [2021-11-03 04:56:19,040 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 350) no Hoare annotation was computed. [2021-11-03 04:56:19,040 INFO L857 garLoopResultBuilder]: For program point L216(lines 216 218) no Hoare annotation was computed. [2021-11-03 04:56:19,040 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 86) no Hoare annotation was computed. [2021-11-03 04:56:19,040 INFO L857 garLoopResultBuilder]: For program point L448(lines 448 450) no Hoare annotation was computed. [2021-11-03 04:56:19,040 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 318) no Hoare annotation was computed. [2021-11-03 04:56:19,040 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 186) no Hoare annotation was computed. [2021-11-03 04:56:19,041 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 550) no Hoare annotation was computed. [2021-11-03 04:56:19,041 INFO L857 garLoopResultBuilder]: For program point L416(lines 416 418) no Hoare annotation was computed. [2021-11-03 04:56:19,041 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-03 04:56:19,041 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 286) no Hoare annotation was computed. [2021-11-03 04:56:19,041 INFO L853 garLoopResultBuilder]: At program point L549(lines 16 568) the Hoare annotation is: false [2021-11-03 04:56:19,041 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 518) no Hoare annotation was computed. [2021-11-03 04:56:19,042 INFO L857 garLoopResultBuilder]: For program point L384(lines 384 386) no Hoare annotation was computed. [2021-11-03 04:56:19,042 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 486) no Hoare annotation was computed. [2021-11-03 04:56:19,042 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-03 04:56:19,042 INFO L853 garLoopResultBuilder]: At program point L26-2(lines 26 563) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~this_buffer_empty~0 0))) (or (and (<= 0 (+ ULTIMATE.start_main_~P8~0 2147483648)) (<= 5 ULTIMATE.start_main_~q~0) .cse0 (<= ULTIMATE.start_main_~this_expect~0 (+ 2 (* 2 (div (+ (- 2) ULTIMATE.start_main_~this_expect~0) 2)))) (<= ULTIMATE.start_main_~P8~0 2147483647)) (and .cse0 (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~this_expect~0 0)))) [2021-11-03 04:56:19,042 INFO L857 garLoopResultBuilder]: For program point L26-3(lines 26 563) no Hoare annotation was computed. [2021-11-03 04:56:19,042 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 141) no Hoare annotation was computed. [2021-11-03 04:56:19,042 INFO L857 garLoopResultBuilder]: For program point L226(lines 226 241) no Hoare annotation was computed. [2021-11-03 04:56:19,043 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 109) no Hoare annotation was computed. [2021-11-03 04:56:19,043 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 160) no Hoare annotation was computed. [2021-11-03 04:56:19,043 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 341) no Hoare annotation was computed. [2021-11-03 04:56:19,043 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 209) no Hoare annotation was computed. [2021-11-03 04:56:19,043 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 260) no Hoare annotation was computed. [2021-11-03 04:56:19,043 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 139) no Hoare annotation was computed. [2021-11-03 04:56:19,043 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 77) no Hoare annotation was computed. [2021-11-03 04:56:19,044 INFO L857 garLoopResultBuilder]: For program point L426(lines 426 441) no Hoare annotation was computed. [2021-11-03 04:56:19,044 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 309) no Hoare annotation was computed. [2021-11-03 04:56:19,044 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 360) no Hoare annotation was computed. [2021-11-03 04:56:19,044 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 239) no Hoare annotation was computed. [2021-11-03 04:56:19,044 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 177) no Hoare annotation was computed. [2021-11-03 04:56:19,044 INFO L857 garLoopResultBuilder]: For program point L96(lines 96 107) no Hoare annotation was computed. [2021-11-03 04:56:19,045 INFO L853 garLoopResultBuilder]: At program point L559(lines 26 563) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~this_buffer_empty~0 1)) (.cse0 (<= ULTIMATE.start_main_~this_expect~0 (+ (* 2 (div (+ (- 1) ULTIMATE.start_main_~this_expect~0) 2)) 1))) (.cse1 (<= 0 (+ ULTIMATE.start_main_~P8~0 2147483648))) (.cse4 (<= ULTIMATE.start_main_~this_expect~0 (+ 2 (* 2 (div (+ (- 2) ULTIMATE.start_main_~this_expect~0) 2))))) (.cse3 (<= ULTIMATE.start_main_~P8~0 2147483647)) (.cse5 (= ULTIMATE.start_main_~this_buffer_empty~0 0))) (or (and .cse0 (= ULTIMATE.start_main_~q~0 4) .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3 (= ULTIMATE.start_main_~q~0 1)) (and .cse0 .cse1 .cse5 .cse3 (= ULTIMATE.start_main_~q~0 3)) (and .cse1 (<= 5 ULTIMATE.start_main_~q~0) .cse5 .cse4 .cse3) (and .cse5 (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~this_expect~0 0)))) [2021-11-03 04:56:19,045 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 541) no Hoare annotation was computed. [2021-11-03 04:56:19,045 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 409) no Hoare annotation was computed. [2021-11-03 04:56:19,045 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 460) no Hoare annotation was computed. [2021-11-03 04:56:19,045 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 339) no Hoare annotation was computed. [2021-11-03 04:56:19,045 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 277) no Hoare annotation was computed. [2021-11-03 04:56:19,045 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 207) no Hoare annotation was computed. [2021-11-03 04:56:19,046 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 75) no Hoare annotation was computed. [2021-11-03 04:56:19,046 INFO L857 garLoopResultBuilder]: For program point L494(lines 494 509) no Hoare annotation was computed. [2021-11-03 04:56:19,046 INFO L857 garLoopResultBuilder]: For program point L461(lines 461 560) no Hoare annotation was computed. [2021-11-03 04:56:19,046 INFO L857 garLoopResultBuilder]: For program point L428(lines 428 439) no Hoare annotation was computed. [2021-11-03 04:56:19,046 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 377) no Hoare annotation was computed. [2021-11-03 04:56:19,046 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 307) no Hoare annotation was computed. [2021-11-03 04:56:19,046 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 175) no Hoare annotation was computed. [2021-11-03 04:56:19,047 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 567) no Hoare annotation was computed. [2021-11-03 04:56:19,047 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 539) no Hoare annotation was computed. [2021-11-03 04:56:19,047 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 477) no Hoare annotation was computed. [2021-11-03 04:56:19,047 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 407) no Hoare annotation was computed. [2021-11-03 04:56:19,047 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 275) no Hoare annotation was computed. [2021-11-03 04:56:19,047 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 134) no Hoare annotation was computed. [2021-11-03 04:56:19,048 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 507) no Hoare annotation was computed. [2021-11-03 04:56:19,048 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 375) no Hoare annotation was computed. [2021-11-03 04:56:19,048 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2021-11-03 04:56:19,048 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 102) no Hoare annotation was computed. [2021-11-03 04:56:19,048 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 475) no Hoare annotation was computed. [2021-11-03 04:56:19,048 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 334) no Hoare annotation was computed. [2021-11-03 04:56:19,048 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 202) no Hoare annotation was computed. [2021-11-03 04:56:19,049 INFO L857 garLoopResultBuilder]: For program point L68(lines 68 70) no Hoare annotation was computed. [2021-11-03 04:56:19,051 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:56:19,053 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 04:56:19,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:56:19 BoogieIcfgContainer [2021-11-03 04:56:19,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 04:56:19,068 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 04:56:19,069 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 04:56:19,069 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 04:56:19,069 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:55:54" (3/4) ... [2021-11-03 04:56:19,072 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 04:56:19,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-03 04:56:19,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-03 04:56:19,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 04:56:19,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 04:56:19,111 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 04:56:19,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 04:56:19,112 INFO L168 Benchmark]: Toolchain (without parser) took 26693.83 ms. Allocated memory was 98.6 MB in the beginning and 281.0 MB in the end (delta: 182.5 MB). Free memory was 63.9 MB in the beginning and 103.9 MB in the end (delta: -40.0 MB). Peak memory consumption was 141.7 MB. Max. memory is 16.1 GB. [2021-11-03 04:56:19,113 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 98.6 MB. Free memory was 68.3 MB in the beginning and 68.3 MB in the end (delta: 21.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:56:19,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.39 ms. Allocated memory is still 98.6 MB. Free memory was 63.6 MB in the beginning and 66.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:56:19,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.92 ms. Allocated memory is still 98.6 MB. Free memory was 66.1 MB in the beginning and 61.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:56:19,114 INFO L168 Benchmark]: Boogie Preprocessor took 99.07 ms. Allocated memory is still 98.6 MB. Free memory was 61.4 MB in the beginning and 58.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:56:19,114 INFO L168 Benchmark]: RCFGBuilder took 939.48 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 58.4 MB in the beginning and 82.9 MB in the end (delta: -24.5 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. [2021-11-03 04:56:19,114 INFO L168 Benchmark]: TraceAbstraction took 25012.15 ms. Allocated memory was 119.5 MB in the beginning and 281.0 MB in the end (delta: 161.5 MB). Free memory was 82.9 MB in the beginning and 107.0 MB in the end (delta: -24.1 MB). Peak memory consumption was 137.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:56:19,115 INFO L168 Benchmark]: Witness Printer took 43.36 ms. Allocated memory is still 281.0 MB. Free memory was 107.0 MB in the beginning and 103.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:56:19,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 98.6 MB. Free memory was 68.3 MB in the beginning and 68.3 MB in the end (delta: 21.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 478.39 ms. Allocated memory is still 98.6 MB. Free memory was 63.6 MB in the beginning and 66.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.92 ms. Allocated memory is still 98.6 MB. Free memory was 66.1 MB in the beginning and 61.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.07 ms. Allocated memory is still 98.6 MB. Free memory was 61.4 MB in the beginning and 58.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 939.48 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 58.4 MB in the beginning and 82.9 MB in the end (delta: -24.5 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25012.15 ms. Allocated memory was 119.5 MB in the beginning and 281.0 MB in the end (delta: 161.5 MB). Free memory was 82.9 MB in the beginning and 107.0 MB in the end (delta: -24.1 MB). Peak memory consumption was 137.1 MB. Max. memory is 16.1 GB. * Witness Printer took 43.36 ms. Allocated memory is still 281.0 MB. Free memory was 107.0 MB in the beginning and 103.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 567]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.9s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1790 SDtfs, 2395 SDslu, 1982 SDs, 0 SdLazy, 467 SolverSat, 175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 314 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=294occurred in iteration=7, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 71 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 17 NumberOfFragments, 154 HoareAnnotationTreeSize, 4 FomulaSimplifications, 287 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 209 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 391 NumberOfCodeBlocks, 391 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 467 ConstructedInterpolants, 0 QuantifiedInterpolants, 2669 SizeOfPredicates, 11 NumberOfNonLiveVariables, 779 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 153/235 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((((((this_expect <= 2 * ((-1 + this_expect) / 2) + 1 && q == 4) && 0 <= P8 + 2147483648) && this_buffer_empty == 1) && P8 <= 2147483647) || ((((0 <= P8 + 2147483648 && this_buffer_empty == 1) && this_expect <= 2 + 2 * ((-2 + this_expect) / 2)) && P8 <= 2147483647) && q == 1)) || ((((this_expect <= 2 * ((-1 + this_expect) / 2) + 1 && 0 <= P8 + 2147483648) && this_buffer_empty == 0) && P8 <= 2147483647) && q == 3)) || ((((0 <= P8 + 2147483648 && 5 <= q) && this_buffer_empty == 0) && this_expect <= 2 + 2 * ((-2 + this_expect) / 2)) && P8 <= 2147483647)) || ((this_buffer_empty == 0 && q == 0) && this_expect == 0) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((((0 <= P8 + 2147483648 && 5 <= q) && this_buffer_empty == 0) && this_expect <= 2 + 2 * ((-2 + this_expect) / 2)) && P8 <= 2147483647) || ((this_buffer_empty == 0 && q == 0) && this_expect == 0) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-03 04:56:19,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf0348e-a080-425b-87ab-0ef6569ffce3/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE