./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:34:46,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:34:46,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:34:46,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:34:46,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:34:46,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:34:46,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:34:46,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:34:46,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:34:47,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:34:47,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:34:47,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:34:47,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:34:47,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:34:47,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:34:47,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:34:47,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:34:47,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:34:47,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:34:47,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:34:47,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:34:47,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:34:47,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:34:47,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:34:47,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:34:47,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:34:47,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:34:47,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:34:47,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:34:47,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:34:47,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:34:47,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:34:47,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:34:47,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:34:47,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:34:47,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:34:47,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:34:47,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:34:47,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:34:47,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:34:47,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:34:47,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 01:34:47,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:34:47,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:34:47,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:34:47,130 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:34:47,130 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:34:47,130 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:34:47,131 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:34:47,131 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:34:47,131 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:34:47,131 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:34:47,133 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:34:47,133 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:34:47,134 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:34:47,134 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:34:47,134 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:34:47,134 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:34:47,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:34:47,136 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:34:47,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:34:47,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:34:47,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:34:47,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:34:47,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:34:47,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:34:47,137 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:34:47,138 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:34:47,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:34:47,138 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:34:47,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:34:47,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:34:47,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:34:47,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:34:47,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:34:47,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:34:47,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:34:47,143 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:34:47,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:34:47,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:34:47,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:34:47,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:34:47,144 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_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 [2021-11-13 01:34:47,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:34:47,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:34:47,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:34:47,555 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:34:47,556 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:34:47,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2021-11-13 01:34:47,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/data/a78b55368/598661250567454ab86947abb7970bfc/FLAG83859038a [2021-11-13 01:34:48,158 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:34:48,159 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2021-11-13 01:34:48,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/data/a78b55368/598661250567454ab86947abb7970bfc/FLAG83859038a [2021-11-13 01:34:48,524 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/data/a78b55368/598661250567454ab86947abb7970bfc [2021-11-13 01:34:48,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:34:48,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:34:48,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:34:48,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:34:48,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:34:48,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:34:48" (1/1) ... [2021-11-13 01:34:48,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3fd260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:48, skipping insertion in model container [2021-11-13 01:34:48,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:34:48" (1/1) ... [2021-11-13 01:34:48,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:34:48,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:34:48,735 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_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c[520,533] [2021-11-13 01:34:48,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:34:48,769 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:34:48,794 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_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c[520,533] [2021-11-13 01:34:48,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:34:48,835 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:34:48,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:48 WrapperNode [2021-11-13 01:34:48,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:34:48,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:34:48,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:34:48,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:34:48,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:48" (1/1) ... [2021-11-13 01:34:48,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:48" (1/1) ... [2021-11-13 01:34:48,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:34:48,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:34:48,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:34:48,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:34:48,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:48" (1/1) ... [2021-11-13 01:34:48,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:48" (1/1) ... [2021-11-13 01:34:48,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:48" (1/1) ... [2021-11-13 01:34:48,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:48" (1/1) ... [2021-11-13 01:34:48,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:48" (1/1) ... [2021-11-13 01:34:48,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:48" (1/1) ... [2021-11-13 01:34:48,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:48" (1/1) ... [2021-11-13 01:34:48,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:34:48,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:34:48,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:34:48,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:34:48,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:48" (1/1) ... [2021-11-13 01:34:48,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:34:48,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:34:48,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:34:48,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:34:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 01:34:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:34:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:34:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:34:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 01:34:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 01:34:49,188 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:34:49,188 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 01:34:49,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:34:49 BoogieIcfgContainer [2021-11-13 01:34:49,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:34:49,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:34:49,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:34:49,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:34:49,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:34:48" (1/3) ... [2021-11-13 01:34:49,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d478f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:34:49, skipping insertion in model container [2021-11-13 01:34:49,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:34:48" (2/3) ... [2021-11-13 01:34:49,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d478f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:34:49, skipping insertion in model container [2021-11-13 01:34:49,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:34:49" (3/3) ... [2021-11-13 01:34:49,206 INFO L111 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound10.c [2021-11-13 01:34:49,212 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:34:49,212 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 01:34:49,287 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:34:49,302 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 01:34:49,303 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 01:34:49,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-13 01:34:49,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 01:34:49,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:34:49,344 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-13 01:34:49,345 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:34:49,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:34:49,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1839711150, now seen corresponding path program 1 times [2021-11-13 01:34:49,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:34:49,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171347928] [2021-11-13 01:34:49,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:34:49,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:34:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:34:49,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:34:49,587 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:34:49,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171347928] [2021-11-13 01:34:49,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171347928] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:34:49,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:34:49,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 01:34:49,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599163779] [2021-11-13 01:34:49,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:34:49,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 01:34:49,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:34:49,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 01:34:49,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:34:49,629 INFO L87 Difference]: Start difference. First operand has 18 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:34:49,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:34:49,660 INFO L93 Difference]: Finished difference Result 35 states and 57 transitions. [2021-11-13 01:34:49,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 01:34:49,663 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-13 01:34:49,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:34:49,670 INFO L225 Difference]: With dead ends: 35 [2021-11-13 01:34:49,670 INFO L226 Difference]: Without dead ends: 16 [2021-11-13 01:34:49,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:34:49,678 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.72ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.34ms IncrementalHoareTripleChecker+Time [2021-11-13 01:34:49,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 0.72ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.34ms Time] [2021-11-13 01:34:49,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-13 01:34:49,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-13 01:34:49,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-13 01:34:49,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2021-11-13 01:34:49,738 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 22 transitions. Word has length 6 [2021-11-13 01:34:49,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:34:49,739 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-11-13 01:34:49,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:34:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2021-11-13 01:34:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 01:34:49,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:34:49,740 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:34:49,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 01:34:49,741 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:34:49,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:34:49,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1660498327, now seen corresponding path program 1 times [2021-11-13 01:34:49,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:34:49,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783574076] [2021-11-13 01:34:49,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:34:49,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:34:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:34:49,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:34:49,830 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:34:49,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783574076] [2021-11-13 01:34:49,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783574076] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:34:49,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:34:49,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 01:34:49,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635513713] [2021-11-13 01:34:49,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:34:49,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:34:49,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:34:49,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:34:49,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:34:49,835 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:34:49,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:34:49,859 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2021-11-13 01:34:49,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:34:49,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-13 01:34:49,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:34:49,861 INFO L225 Difference]: With dead ends: 27 [2021-11-13 01:34:49,862 INFO L226 Difference]: Without dead ends: 18 [2021-11-13 01:34:49,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:34:49,865 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.30ms IncrementalHoareTripleChecker+Time [2021-11-13 01:34:49,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 9 Unknown, 0 Unchecked, 1.79ms Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 14.30ms Time] [2021-11-13 01:34:49,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-13 01:34:49,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-13 01:34:49,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-13 01:34:49,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-11-13 01:34:49,875 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 7 [2021-11-13 01:34:49,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:34:49,875 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-11-13 01:34:49,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:34:49,876 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-11-13 01:34:49,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 01:34:49,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:34:49,877 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:34:49,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 01:34:49,878 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:34:49,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:34:49,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1658830031, now seen corresponding path program 1 times [2021-11-13 01:34:49,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:34:49,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737030846] [2021-11-13 01:34:49,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:34:49,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:34:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:34:49,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:34:49,987 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:34:49,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737030846] [2021-11-13 01:34:49,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737030846] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:34:49,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:34:49,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 01:34:49,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777886777] [2021-11-13 01:34:49,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:34:49,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:34:49,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:34:49,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:34:49,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 01:34:49,991 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:34:50,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:34:50,119 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2021-11-13 01:34:50,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:34:50,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-13 01:34:50,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:34:50,122 INFO L225 Difference]: With dead ends: 31 [2021-11-13 01:34:50,122 INFO L226 Difference]: Without dead ends: 29 [2021-11-13 01:34:50,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:34:50,125 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 7 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.00ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99.92ms IncrementalHoareTripleChecker+Time [2021-11-13 01:34:50,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 74 Invalid, 28 Unknown, 0 Unchecked, 4.00ms Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 99.92ms Time] [2021-11-13 01:34:50,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-13 01:34:50,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2021-11-13 01:34:50,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-13 01:34:50,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-11-13 01:34:50,144 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 7 [2021-11-13 01:34:50,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:34:50,145 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-11-13 01:34:50,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:34:50,146 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-13 01:34:50,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 01:34:50,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:34:50,147 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:34:50,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 01:34:50,148 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:34:50,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:34:50,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1386799727, now seen corresponding path program 1 times [2021-11-13 01:34:50,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:34:50,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027057599] [2021-11-13 01:34:50,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:34:50,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:34:50,171 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 01:34:50,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1475200204] [2021-11-13 01:34:50,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:34:50,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:34:50,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:34:50,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:34:50,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 01:34:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:34:50,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 01:34:50,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:34:50,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:34:50,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:34:50,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:34:50,569 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:34:50,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027057599] [2021-11-13 01:34:50,569 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:34:50,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475200204] [2021-11-13 01:34:50,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475200204] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:34:50,570 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:34:50,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-13 01:34:50,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274244278] [2021-11-13 01:34:50,571 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:34:50,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:34:50,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:34:50,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:34:50,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:34:50,574 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:34:50,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:34:50,696 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2021-11-13 01:34:50,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 01:34:50,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 12 [2021-11-13 01:34:50,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:34:50,699 INFO L225 Difference]: With dead ends: 35 [2021-11-13 01:34:50,701 INFO L226 Difference]: Without dead ends: 33 [2021-11-13 01:34:50,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:34:50,704 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 6 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.08ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.94ms IncrementalHoareTripleChecker+Time [2021-11-13 01:34:50,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 97 Invalid, 36 Unknown, 0 Unchecked, 3.08ms Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 90.94ms Time] [2021-11-13 01:34:50,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-13 01:34:50,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2021-11-13 01:34:50,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-11-13 01:34:50,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2021-11-13 01:34:50,734 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 42 transitions. Word has length 12 [2021-11-13 01:34:50,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:34:50,735 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-11-13 01:34:50,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:34:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2021-11-13 01:34:50,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 01:34:50,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:34:50,736 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:34:50,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:34:50,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:34:50,954 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:34:50,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:34:50,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1902825039, now seen corresponding path program 1 times [2021-11-13 01:34:50,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:34:50,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579030598] [2021-11-13 01:34:50,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:34:50,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:34:50,986 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 01:34:50,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [893122297] [2021-11-13 01:34:50,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:34:50,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:34:50,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:34:51,006 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:34:51,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 01:34:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:34:51,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 01:34:51,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:34:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 01:34:51,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:34:51,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 01:34:51,434 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:34:51,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579030598] [2021-11-13 01:34:51,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:34:51,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893122297] [2021-11-13 01:34:51,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893122297] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:34:51,438 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:34:51,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-13 01:34:51,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306464928] [2021-11-13 01:34:51,439 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:34:51,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:34:51,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:34:51,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:34:51,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:34:51,441 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 01:34:51,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:34:51,742 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2021-11-13 01:34:51,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:34:51,744 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 17 [2021-11-13 01:34:51,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:34:51,746 INFO L225 Difference]: With dead ends: 39 [2021-11-13 01:34:51,746 INFO L226 Difference]: Without dead ends: 33 [2021-11-13 01:34:51,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:34:51,748 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 8 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 247.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.38ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 263.66ms IncrementalHoareTripleChecker+Time [2021-11-13 01:34:51,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 92 Invalid, 40 Unknown, 0 Unchecked, 3.38ms Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 263.66ms Time] [2021-11-13 01:34:51,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-13 01:34:51,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-13 01:34:51,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-13 01:34:51,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2021-11-13 01:34:51,759 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 17 [2021-11-13 01:34:51,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:34:51,760 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2021-11-13 01:34:51,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-13 01:34:51,760 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2021-11-13 01:34:51,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 01:34:51,761 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:34:51,762 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:34:51,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:34:51,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:34:51,977 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:34:51,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:34:51,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1311551190, now seen corresponding path program 1 times [2021-11-13 01:34:51,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:34:51,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118951394] [2021-11-13 01:34:51,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:34:51,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:34:52,006 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 01:34:52,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1673309778] [2021-11-13 01:34:52,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:34:52,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:34:52,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:34:52,014 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:34:52,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 01:34:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:34:52,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 01:34:52,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:34:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:34:52,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:34:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:34:52,284 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:34:52,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118951394] [2021-11-13 01:34:52,284 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:34:52,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673309778] [2021-11-13 01:34:52,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673309778] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:34:52,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [990800086] [2021-11-13 01:34:52,317 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2021-11-13 01:34:52,317 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:34:52,324 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:34:52,331 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:34:52,333 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:34:52,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,393 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:52,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:34:52,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:52,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:34:52,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-11-13 01:34:52,427 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_9|], 21=[|v_#valid_10|]} [2021-11-13 01:34:52,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:52,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:52,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:52,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 01:34:52,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:34:52,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:34:52,465 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:34:52,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:52,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:52,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:52,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:52,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:52,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:52,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:52,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 01:34:52,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:34:52,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:34:52,534 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:34:52,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-13 01:34:52,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:34:52,563 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:111 [2021-11-13 01:34:52,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-13 01:34:52,580 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-13 01:34:52,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-13 01:34:52,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:34:52,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-13 01:34:52,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:34:52,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:52,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-13 01:34:52,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,825 INFO L180 QuantifierPusher]: treesize reduction 57, result has 73.5 percent of original size [2021-11-13 01:34:52,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 01:34:52,857 INFO L180 QuantifierPusher]: treesize reduction 57, result has 74.3 percent of original size [2021-11-13 01:34:52,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-13 01:34:52,897 INFO L180 QuantifierPusher]: treesize reduction 57, result has 73.5 percent of original size [2021-11-13 01:34:52,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 01:34:52,925 INFO L180 QuantifierPusher]: treesize reduction 57, result has 74.3 percent of original size [2021-11-13 01:34:52,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-13 01:34:52,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:52,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,047 INFO L180 QuantifierPusher]: treesize reduction 59, result has 74.5 percent of original size [2021-11-13 01:34:53,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 01:34:53,062 INFO L180 QuantifierPusher]: treesize reduction 59, result has 75.2 percent of original size [2021-11-13 01:34:53,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-13 01:34:53,081 INFO L180 QuantifierPusher]: treesize reduction 59, result has 74.5 percent of original size [2021-11-13 01:34:53,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 01:34:53,096 INFO L180 QuantifierPusher]: treesize reduction 59, result has 75.2 percent of original size [2021-11-13 01:34:53,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-13 01:34:53,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,159 INFO L180 QuantifierPusher]: treesize reduction 57, result has 74.7 percent of original size [2021-11-13 01:34:53,165 INFO L185 QuantifierPusher]: treesize reduction 12, result has 91.5 percent of original size 129 [2021-11-13 01:34:53,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:53,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 292 [2021-11-13 01:34:53,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:53,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 294 [2021-11-13 01:34:53,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:53,308 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:53,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:53,335 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size 219 [2021-11-13 01:34:53,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:53,350 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.8 percent of original size [2021-11-13 01:34:53,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 252 [2021-11-13 01:34:53,377 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:53,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:53,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 204 [2021-11-13 01:34:53,414 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:53,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:53,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-13 01:34:53,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-13 01:34:53,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:53,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 301 [2021-11-13 01:34:53,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:53,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:53,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:53,517 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size 219 [2021-11-13 01:34:53,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:53,532 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.8 percent of original size [2021-11-13 01:34:53,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 252 [2021-11-13 01:34:53,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:53,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:53,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 204 [2021-11-13 01:34:53,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:53,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:53,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-13 01:34:53,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-13 01:34:53,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:53,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 301 [2021-11-13 01:34:53,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:53,994 INFO L180 QuantifierPusher]: treesize reduction 55, result has 85.6 percent of original size [2021-11-13 01:34:53,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:54,024 INFO L185 QuantifierPusher]: treesize reduction 15, result has 94.1 percent of original size 241 [2021-11-13 01:34:54,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,040 INFO L180 QuantifierPusher]: treesize reduction 15, result has 94.8 percent of original size [2021-11-13 01:34:54,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 288 [2021-11-13 01:34:54,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:54,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-13 01:34:54,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:54,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-11-13 01:34:54,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-13 01:34:54,145 INFO L180 QuantifierPusher]: treesize reduction 55, result has 85.8 percent of original size [2021-11-13 01:34:54,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-13 01:34:54,180 INFO L180 QuantifierPusher]: treesize reduction 55, result has 85.6 percent of original size [2021-11-13 01:34:54,189 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:54,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 260 [2021-11-13 01:34:54,215 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:54,247 INFO L185 QuantifierPusher]: treesize reduction 32, result has 89.8 percent of original size 281 [2021-11-13 01:34:54,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,262 INFO L180 QuantifierPusher]: treesize reduction 32, result has 90.0 percent of original size [2021-11-13 01:34:54,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-13 01:34:54,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:54,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-11-13 01:34:54,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-13 01:34:54,330 INFO L180 QuantifierPusher]: treesize reduction 55, result has 85.8 percent of original size [2021-11-13 01:34:54,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-13 01:34:54,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:54,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:54,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:54,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:54,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:54,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:54,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:54,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:54,600 INFO L180 QuantifierPusher]: treesize reduction 14, result has 96.3 percent of original size [2021-11-13 01:34:54,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:54,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-11-13 01:34:54,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:54,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 250 [2021-11-13 01:34:54,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:54,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 210 [2021-11-13 01:34:54,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:54,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-13 01:34:54,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-13 01:34:54,716 INFO L180 QuantifierPusher]: treesize reduction 14, result has 96.4 percent of original size [2021-11-13 01:34:54,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-13 01:34:54,744 INFO L180 QuantifierPusher]: treesize reduction 14, result has 96.3 percent of original size [2021-11-13 01:34:54,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:54,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-11-13 01:34:54,774 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:54,804 INFO L185 QuantifierPusher]: treesize reduction 29, result has 90.0 percent of original size 261 [2021-11-13 01:34:54,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,819 INFO L180 QuantifierPusher]: treesize reduction 29, result has 90.3 percent of original size [2021-11-13 01:34:54,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 210 [2021-11-13 01:34:54,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:54,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:54,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2021-11-13 01:34:54,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-13 01:34:54,892 INFO L180 QuantifierPusher]: treesize reduction 14, result has 96.4 percent of original size [2021-11-13 01:34:54,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-13 01:34:54,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:54,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,110 INFO L180 QuantifierPusher]: treesize reduction 21, result has 94.6 percent of original size [2021-11-13 01:34:55,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-13 01:34:55,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,243 INFO L180 QuantifierPusher]: treesize reduction 30, result has 65.5 percent of original size [2021-11-13 01:34:55,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-13 01:34:55,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:34:55,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:34:55,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:34:55,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:34:55,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:34:55,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-13 01:34:55,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,297 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:34:55,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:34:55,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:34:55,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:34:55,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-13 01:34:55,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,366 INFO L180 QuantifierPusher]: treesize reduction 31, result has 74.2 percent of original size [2021-11-13 01:34:55,383 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,386 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:34:55,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:34:55,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:34:55,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:34:55,406 INFO L180 QuantifierPusher]: treesize reduction 31, result has 75.6 percent of original size [2021-11-13 01:34:55,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-13 01:34:55,418 INFO L180 QuantifierPusher]: treesize reduction 31, result has 74.2 percent of original size [2021-11-13 01:34:55,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:34:55,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:34:55,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:34:55,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:34:55,446 INFO L180 QuantifierPusher]: treesize reduction 31, result has 75.6 percent of original size [2021-11-13 01:34:55,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-13 01:34:55,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,494 INFO L180 QuantifierPusher]: treesize reduction 35, result has 74.6 percent of original size [2021-11-13 01:34:55,504 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 01:34:55,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:34:55,525 INFO L180 QuantifierPusher]: treesize reduction 35, result has 75.9 percent of original size [2021-11-13 01:34:55,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 01:34:55,535 INFO L180 QuantifierPusher]: treesize reduction 35, result has 74.6 percent of original size [2021-11-13 01:34:55,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 01:34:55,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:34:55,559 INFO L180 QuantifierPusher]: treesize reduction 35, result has 75.9 percent of original size [2021-11-13 01:34:55,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 01:34:55,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,586 INFO L180 QuantifierPusher]: treesize reduction 33, result has 75.0 percent of original size [2021-11-13 01:34:55,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-11-13 01:34:55,597 INFO L180 QuantifierPusher]: treesize reduction 30, result has 65.5 percent of original size [2021-11-13 01:34:55,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-13 01:34:55,604 INFO L180 QuantifierPusher]: treesize reduction 4, result has 93.1 percent of original size [2021-11-13 01:34:55,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-13 01:34:55,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,621 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:34:55,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:34:55,626 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:34:55,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:34:55,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:34:55,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:34:55,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:34:55,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:34:55,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:34:55,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-13 01:34:55,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:34:55,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:34:55,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:34:55,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:34:55,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-13 01:34:55,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,773 INFO L180 QuantifierPusher]: treesize reduction 31, result has 74.2 percent of original size [2021-11-13 01:34:55,779 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:34:55,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:34:55,788 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:34:55,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:34:55,804 INFO L180 QuantifierPusher]: treesize reduction 31, result has 75.6 percent of original size [2021-11-13 01:34:55,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-13 01:34:55,815 INFO L180 QuantifierPusher]: treesize reduction 31, result has 74.2 percent of original size [2021-11-13 01:34:55,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:34:55,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:34:55,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:34:55,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:34:55,849 INFO L180 QuantifierPusher]: treesize reduction 31, result has 75.6 percent of original size [2021-11-13 01:34:55,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-13 01:34:55,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,932 INFO L180 QuantifierPusher]: treesize reduction 35, result has 74.6 percent of original size [2021-11-13 01:34:55,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:55,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:55,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 01:34:55,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:34:55,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:55,997 INFO L180 QuantifierPusher]: treesize reduction 35, result has 74.6 percent of original size [2021-11-13 01:34:56,002 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:56,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:56,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 01:34:56,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:34:56,015 INFO L180 QuantifierPusher]: treesize reduction 35, result has 75.9 percent of original size [2021-11-13 01:34:56,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 01:34:56,025 INFO L180 QuantifierPusher]: treesize reduction 35, result has 74.6 percent of original size [2021-11-13 01:34:56,035 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:56,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:56,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 01:34:56,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:34:56,050 INFO L180 QuantifierPusher]: treesize reduction 35, result has 75.9 percent of original size [2021-11-13 01:34:56,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 01:34:56,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,078 INFO L180 QuantifierPusher]: treesize reduction 31, result has 74.2 percent of original size [2021-11-13 01:34:56,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:56,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:56,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:56,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:56,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:34:56,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:34:56,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:56,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:56,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:34:56,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:34:56,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:56,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:56,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:56,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:56,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:56,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:34:56,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:34:56,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:56,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:56,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:34:56,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:34:56,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:56,173 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 36 for LOIs [2021-11-13 01:34:56,180 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:34:57,233 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:34:57,233 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 01:34:57,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-11-13 01:34:57,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559826332] [2021-11-13 01:34:57,234 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 01:34:57,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 01:34:57,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:34:57,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 01:34:57,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2021-11-13 01:34:57,236 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-13 01:34:57,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:34:57,398 INFO L93 Difference]: Finished difference Result 83 states and 96 transitions. [2021-11-13 01:34:57,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 01:34:57,399 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 25 [2021-11-13 01:34:57,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:34:57,403 INFO L225 Difference]: With dead ends: 83 [2021-11-13 01:34:57,404 INFO L226 Difference]: Without dead ends: 75 [2021-11-13 01:34:57,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:34:57,407 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 41 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.66ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.84ms IncrementalHoareTripleChecker+Time [2021-11-13 01:34:57,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 117 Invalid, 68 Unknown, 0 Unchecked, 3.66ms Time], IncrementalHoareTripleChecker [21 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 100.84ms Time] [2021-11-13 01:34:57,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-13 01:34:57,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2021-11-13 01:34:57,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 46 states have internal predecessors, (50), 18 states have call successors, (18), 9 states have call predecessors, (18), 9 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-13 01:34:57,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 83 transitions. [2021-11-13 01:34:57,448 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 83 transitions. Word has length 25 [2021-11-13 01:34:57,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:34:57,449 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 83 transitions. [2021-11-13 01:34:57,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-13 01:34:57,449 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2021-11-13 01:34:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 01:34:57,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:34:57,451 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:34:57,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:34:57,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-13 01:34:57,673 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:34:57,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:34:57,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1309882894, now seen corresponding path program 1 times [2021-11-13 01:34:57,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:34:57,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897097289] [2021-11-13 01:34:57,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:34:57,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:34:57,693 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 01:34:57,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743502732] [2021-11-13 01:34:57,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:34:57,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:34:57,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:34:57,701 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:34:57,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 01:34:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:34:57,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-13 01:34:57,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:34:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 01:34:57,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:34:57,991 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 01:34:57,992 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:34:57,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897097289] [2021-11-13 01:34:57,992 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:34:57,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743502732] [2021-11-13 01:34:57,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743502732] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 01:34:57,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 01:34:57,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2021-11-13 01:34:57,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463402309] [2021-11-13 01:34:57,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:34:57,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 01:34:57,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:34:57,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 01:34:57,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 01:34:57,995 INFO L87 Difference]: Start difference. First operand 71 states and 83 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 01:34:58,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:34:58,055 INFO L93 Difference]: Finished difference Result 85 states and 96 transitions. [2021-11-13 01:34:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 01:34:58,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2021-11-13 01:34:58,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:34:58,061 INFO L225 Difference]: With dead ends: 85 [2021-11-13 01:34:58,061 INFO L226 Difference]: Without dead ends: 83 [2021-11-13 01:34:58,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:34:58,063 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 7 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.45ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.69ms IncrementalHoareTripleChecker+Time [2021-11-13 01:34:58,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 45 Invalid, 24 Unknown, 0 Unchecked, 1.45ms Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 27.69ms Time] [2021-11-13 01:34:58,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-13 01:34:58,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-11-13 01:34:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 55 states have internal predecessors, (59), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-13 01:34:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 92 transitions. [2021-11-13 01:34:58,102 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 92 transitions. Word has length 25 [2021-11-13 01:34:58,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:34:58,102 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 92 transitions. [2021-11-13 01:34:58,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 01:34:58,103 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2021-11-13 01:34:58,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 01:34:58,105 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:34:58,105 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:34:58,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:34:58,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable135 [2021-11-13 01:34:58,324 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:34:58,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:34:58,325 INFO L85 PathProgramCache]: Analyzing trace with hash 2092232782, now seen corresponding path program 2 times [2021-11-13 01:34:58,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:34:58,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202056429] [2021-11-13 01:34:58,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:34:58,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:34:58,337 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 01:34:58,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1316440628] [2021-11-13 01:34:58,338 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 01:34:58,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:34:58,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:34:58,339 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:34:58,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 01:34:58,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 01:34:58,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:34:58,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 01:34:58,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:34:58,618 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 01:34:58,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:34:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 01:34:58,851 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:34:58,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202056429] [2021-11-13 01:34:58,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:34:58,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316440628] [2021-11-13 01:34:58,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316440628] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:34:58,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1287507458] [2021-11-13 01:34:58,858 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2021-11-13 01:34:58,858 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:34:58,859 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:34:58,859 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:34:58,859 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:34:58,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:58,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:58,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:58,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:34:58,885 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:58,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:58,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:34:58,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 139 [2021-11-13 01:34:58,899 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_10|], 21=[|v_#valid_11|]} [2021-11-13 01:34:58,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:58,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:58,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:58,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 01:34:58,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:58,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:34:58,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:58,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:34:58,924 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:34:58,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:58,942 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:58,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:58,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:58,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:58,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:58,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:58,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:58,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:58,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:58,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:34:58,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 01:34:58,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:58,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:34:58,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:58,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:34:58,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:34:58,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:58,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:58,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-13 01:34:59,002 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:34:59,003 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:111 [2021-11-13 01:34:59,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-13 01:34:59,016 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-13 01:34:59,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-13 01:34:59,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:34:59,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-13 01:34:59,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:34:59,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-11-13 01:34:59,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,132 INFO L180 QuantifierPusher]: treesize reduction 57, result has 73.5 percent of original size [2021-11-13 01:34:59,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 01:34:59,144 INFO L180 QuantifierPusher]: treesize reduction 57, result has 74.3 percent of original size [2021-11-13 01:34:59,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-13 01:34:59,166 INFO L180 QuantifierPusher]: treesize reduction 57, result has 73.5 percent of original size [2021-11-13 01:34:59,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 01:34:59,179 INFO L180 QuantifierPusher]: treesize reduction 57, result has 74.3 percent of original size [2021-11-13 01:34:59,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-13 01:34:59,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,279 INFO L180 QuantifierPusher]: treesize reduction 59, result has 74.5 percent of original size [2021-11-13 01:34:59,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 01:34:59,292 INFO L180 QuantifierPusher]: treesize reduction 59, result has 75.2 percent of original size [2021-11-13 01:34:59,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-13 01:34:59,314 INFO L180 QuantifierPusher]: treesize reduction 59, result has 74.5 percent of original size [2021-11-13 01:34:59,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-13 01:34:59,330 INFO L180 QuantifierPusher]: treesize reduction 59, result has 75.2 percent of original size [2021-11-13 01:34:59,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-13 01:34:59,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,377 INFO L180 QuantifierPusher]: treesize reduction 57, result has 74.7 percent of original size [2021-11-13 01:34:59,382 INFO L185 QuantifierPusher]: treesize reduction 12, result has 91.5 percent of original size 129 [2021-11-13 01:34:59,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 292 [2021-11-13 01:34:59,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 294 [2021-11-13 01:34:59,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:59,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,499 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size 219 [2021-11-13 01:34:59,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:59,509 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.8 percent of original size [2021-11-13 01:34:59,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 252 [2021-11-13 01:34:59,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:59,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 204 [2021-11-13 01:34:59,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:59,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-13 01:34:59,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-13 01:34:59,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 301 [2021-11-13 01:34:59,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:59,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,608 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size 219 [2021-11-13 01:34:59,609 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:59,618 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.8 percent of original size [2021-11-13 01:34:59,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 252 [2021-11-13 01:34:59,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:59,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 204 [2021-11-13 01:34:59,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:59,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-13 01:34:59,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-13 01:34:59,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 301 [2021-11-13 01:34:59,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:34:59,897 INFO L180 QuantifierPusher]: treesize reduction 55, result has 85.6 percent of original size [2021-11-13 01:34:59,900 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:59,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 260 [2021-11-13 01:34:59,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:59,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,946 INFO L185 QuantifierPusher]: treesize reduction 32, result has 89.8 percent of original size 281 [2021-11-13 01:34:59,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:59,960 INFO L180 QuantifierPusher]: treesize reduction 32, result has 90.0 percent of original size [2021-11-13 01:34:59,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-13 01:34:59,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:34:59,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:34:59,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-11-13 01:34:59,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-13 01:35:00,011 INFO L180 QuantifierPusher]: treesize reduction 55, result has 85.8 percent of original size [2021-11-13 01:35:00,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-13 01:35:00,045 INFO L180 QuantifierPusher]: treesize reduction 55, result has 85.6 percent of original size [2021-11-13 01:35:00,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,069 INFO L185 QuantifierPusher]: treesize reduction 7, result has 97.1 percent of original size 232 [2021-11-13 01:35:00,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,081 INFO L180 QuantifierPusher]: treesize reduction 7, result has 97.4 percent of original size [2021-11-13 01:35:00,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 286 [2021-11-13 01:35:00,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-13 01:35:00,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-11-13 01:35:00,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-13 01:35:00,162 INFO L180 QuantifierPusher]: treesize reduction 55, result has 85.8 percent of original size [2021-11-13 01:35:00,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-13 01:35:00,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,359 INFO L180 QuantifierPusher]: treesize reduction 14, result has 96.3 percent of original size [2021-11-13 01:35:00,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-11-13 01:35:00,381 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-13 01:35:00,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-13 01:35:00,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,426 INFO L185 QuantifierPusher]: treesize reduction 29, result has 89.7 percent of original size 252 [2021-11-13 01:35:00,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-13 01:35:00,453 INFO L180 QuantifierPusher]: treesize reduction 14, result has 96.4 percent of original size [2021-11-13 01:35:00,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-13 01:35:00,477 INFO L180 QuantifierPusher]: treesize reduction 14, result has 96.3 percent of original size [2021-11-13 01:35:00,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-11-13 01:35:00,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-13 01:35:00,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-13 01:35:00,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-13 01:35:00,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-13 01:35:00,575 INFO L180 QuantifierPusher]: treesize reduction 14, result has 96.4 percent of original size [2021-11-13 01:35:00,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 342 [2021-11-13 01:35:00,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,706 INFO L180 QuantifierPusher]: treesize reduction 21, result has 94.6 percent of original size [2021-11-13 01:35:00,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-13 01:35:00,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,788 INFO L180 QuantifierPusher]: treesize reduction 30, result has 65.5 percent of original size [2021-11-13 01:35:00,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-13 01:35:00,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:35:00,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,801 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:35:00,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:35:00,808 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:35:00,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:35:00,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-13 01:35:00,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,827 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:35:00,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:35:00,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:35:00,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:35:00,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-13 01:35:00,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,877 INFO L180 QuantifierPusher]: treesize reduction 31, result has 74.2 percent of original size [2021-11-13 01:35:00,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:35:00,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:35:00,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:35:00,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:35:00,897 INFO L180 QuantifierPusher]: treesize reduction 31, result has 75.6 percent of original size [2021-11-13 01:35:00,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-13 01:35:00,907 INFO L180 QuantifierPusher]: treesize reduction 31, result has 74.2 percent of original size [2021-11-13 01:35:00,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:35:00,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:35:00,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:35:00,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:35:00,929 INFO L180 QuantifierPusher]: treesize reduction 31, result has 75.6 percent of original size [2021-11-13 01:35:00,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-13 01:35:00,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:00,978 INFO L180 QuantifierPusher]: treesize reduction 35, result has 74.6 percent of original size [2021-11-13 01:35:00,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:00,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:00,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 01:35:00,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:35:00,996 INFO L180 QuantifierPusher]: treesize reduction 35, result has 75.9 percent of original size [2021-11-13 01:35:01,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 01:35:01,004 INFO L180 QuantifierPusher]: treesize reduction 35, result has 74.6 percent of original size [2021-11-13 01:35:01,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 01:35:01,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:35:01,025 INFO L180 QuantifierPusher]: treesize reduction 35, result has 75.9 percent of original size [2021-11-13 01:35:01,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 01:35:01,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,049 INFO L180 QuantifierPusher]: treesize reduction 33, result has 75.0 percent of original size [2021-11-13 01:35:01,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-13 01:35:01,058 INFO L180 QuantifierPusher]: treesize reduction 30, result has 65.5 percent of original size [2021-11-13 01:35:01,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-13 01:35:01,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:35:01,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:35:01,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:35:01,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:35:01,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:35:01,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-13 01:35:01,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:35:01,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:35:01,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:35:01,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:35:01,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-13 01:35:01,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,171 INFO L180 QuantifierPusher]: treesize reduction 31, result has 74.2 percent of original size [2021-11-13 01:35:01,174 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:35:01,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:35:01,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:35:01,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:35:01,194 INFO L180 QuantifierPusher]: treesize reduction 31, result has 75.6 percent of original size [2021-11-13 01:35:01,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-13 01:35:01,203 INFO L180 QuantifierPusher]: treesize reduction 31, result has 74.2 percent of original size [2021-11-13 01:35:01,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:35:01,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:35:01,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:35:01,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:35:01,225 INFO L180 QuantifierPusher]: treesize reduction 31, result has 75.6 percent of original size [2021-11-13 01:35:01,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-13 01:35:01,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,294 INFO L180 QuantifierPusher]: treesize reduction 35, result has 74.6 percent of original size [2021-11-13 01:35:01,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 01:35:01,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:35:01,310 INFO L180 QuantifierPusher]: treesize reduction 35, result has 74.6 percent of original size [2021-11-13 01:35:01,315 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 01:35:01,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:35:01,326 INFO L180 QuantifierPusher]: treesize reduction 35, result has 75.9 percent of original size [2021-11-13 01:35:01,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 01:35:01,336 INFO L180 QuantifierPusher]: treesize reduction 35, result has 74.6 percent of original size [2021-11-13 01:35:01,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-13 01:35:01,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:35:01,353 INFO L180 QuantifierPusher]: treesize reduction 35, result has 75.9 percent of original size [2021-11-13 01:35:01,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-13 01:35:01,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,379 INFO L180 QuantifierPusher]: treesize reduction 31, result has 74.2 percent of original size [2021-11-13 01:35:01,383 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,385 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:35:01,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:35:01,391 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:35:01,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:35:01,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,429 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:35:01,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-13 01:35:01,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:35:01,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:35:01,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:35:01,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:35:01,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:35:01,482 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 44 for LOIs [2021-11-13 01:35:01,490 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:35:02,705 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:35:02,705 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 01:35:02,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-11-13 01:35:02,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115305529] [2021-11-13 01:35:02,706 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 01:35:02,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 01:35:02,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:35:02,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 01:35:02,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=348, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:35:02,707 INFO L87 Difference]: Start difference. First operand 83 states and 92 transitions. Second operand has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 5 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2021-11-13 01:35:02,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:35:02,924 INFO L93 Difference]: Finished difference Result 88 states and 97 transitions. [2021-11-13 01:35:02,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 01:35:02,924 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 5 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 30 [2021-11-13 01:35:02,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:35:02,925 INFO L225 Difference]: With dead ends: 88 [2021-11-13 01:35:02,925 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 01:35:02,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2021-11-13 01:35:02,927 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 14 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 130.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.95ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 167.38ms IncrementalHoareTripleChecker+Time [2021-11-13 01:35:02,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 98 Invalid, 165 Unknown, 0 Unchecked, 2.95ms Time], IncrementalHoareTripleChecker [26 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 167.38ms Time] [2021-11-13 01:35:02,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 01:35:02,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 01:35:02,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:35:02,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 01:35:02,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2021-11-13 01:35:02,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:35:02,929 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 01:35:02,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 5 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2021-11-13 01:35:02,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 01:35:02,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 01:35:02,933 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 01:35:02,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-13 01:35:03,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable136 [2021-11-13 01:35:03,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 01:35:03,554 INFO L858 garLoopResultBuilder]: For program point L33(lines 30 42) no Hoare annotation was computed. [2021-11-13 01:35:03,555 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 01:35:03,555 INFO L854 garLoopResultBuilder]: At program point L31(line 31) the Hoare annotation is: (and (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|))) (= (* 4 |ULTIMATE.start_main_~s~0#1|) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) [2021-11-13 01:35:03,555 INFO L854 garLoopResultBuilder]: At program point L31-1(line 31) the Hoare annotation is: (and (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|))) (= (* 4 |ULTIMATE.start_main_~s~0#1|) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) [2021-11-13 01:35:03,555 INFO L861 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: true [2021-11-13 01:35:03,555 INFO L854 garLoopResultBuilder]: At program point L44(line 44) the Hoare annotation is: (and (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|))) (= (* 4 |ULTIMATE.start_main_~s~0#1|) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) [2021-11-13 01:35:03,556 INFO L854 garLoopResultBuilder]: At program point L32(line 32) the Hoare annotation is: (and (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|))) (= (* 4 |ULTIMATE.start_main_~s~0#1|) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) [2021-11-13 01:35:03,556 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 01:35:03,556 INFO L858 garLoopResultBuilder]: For program point L30-1(lines 30 42) no Hoare annotation was computed. [2021-11-13 01:35:03,556 INFO L854 garLoopResultBuilder]: At program point L30-3(lines 30 42) the Hoare annotation is: (and (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|))) (= (* 4 |ULTIMATE.start_main_~s~0#1|) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) [2021-11-13 01:35:03,556 INFO L854 garLoopResultBuilder]: At program point L30-4(lines 30 42) the Hoare annotation is: (and (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|))) (= (* 4 |ULTIMATE.start_main_~s~0#1|) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) [2021-11-13 01:35:03,556 INFO L854 garLoopResultBuilder]: At program point L45(line 45) the Hoare annotation is: (= (* 4 |ULTIMATE.start_main_~s~0#1|) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1)) [2021-11-13 01:35:03,556 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 11 17) the Hoare annotation is: true [2021-11-13 01:35:03,556 INFO L858 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2021-11-13 01:35:03,556 INFO L858 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2021-11-13 01:35:03,557 INFO L858 garLoopResultBuilder]: For program point L12-2(lines 11 17) no Hoare annotation was computed. [2021-11-13 01:35:03,557 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 11 17) no Hoare annotation was computed. [2021-11-13 01:35:03,557 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-11-13 01:35:03,560 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2021-11-13 01:35:03,562 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 01:35:03,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:35:03 BoogieIcfgContainer [2021-11-13 01:35:03,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 01:35:03,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 01:35:03,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 01:35:03,580 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 01:35:03,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:34:49" (3/4) ... [2021-11-13 01:35:03,584 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 01:35:03,592 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-13 01:35:03,596 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-13 01:35:03,597 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 01:35:03,597 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 01:35:03,597 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 01:35:03,636 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 01:35:03,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 01:35:03,637 INFO L158 Benchmark]: Toolchain (without parser) took 15110.07ms. Allocated memory was 94.4MB in the beginning and 197.1MB in the end (delta: 102.8MB). Free memory was 58.5MB in the beginning and 88.5MB in the end (delta: -30.0MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2021-11-13 01:35:03,637 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:35:03,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.99ms. Allocated memory is still 94.4MB. Free memory was 58.2MB in the beginning and 69.1MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 01:35:03,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.10ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 67.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:35:03,638 INFO L158 Benchmark]: Boogie Preprocessor took 23.33ms. Allocated memory is still 94.4MB. Free memory was 67.4MB in the beginning and 66.6MB in the end (delta: 712.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:35:03,639 INFO L158 Benchmark]: RCFGBuilder took 284.48ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 56.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 01:35:03,639 INFO L158 Benchmark]: TraceAbstraction took 14385.90ms. Allocated memory was 94.4MB in the beginning and 197.1MB in the end (delta: 102.8MB). Free memory was 56.2MB in the beginning and 91.7MB in the end (delta: -35.5MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2021-11-13 01:35:03,639 INFO L158 Benchmark]: Witness Printer took 57.00ms. Allocated memory is still 197.1MB. Free memory was 91.7MB in the beginning and 88.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:35:03,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.99ms. Allocated memory is still 94.4MB. Free memory was 58.2MB in the beginning and 69.1MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.10ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 67.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.33ms. Allocated memory is still 94.4MB. Free memory was 67.4MB in the beginning and 66.6MB in the end (delta: 712.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.48ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 56.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 14385.90ms. Allocated memory was 94.4MB in the beginning and 197.1MB in the end (delta: 102.8MB). Free memory was 56.2MB in the beginning and 91.7MB in the end (delta: -35.5MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * Witness Printer took 57.00ms. Allocated memory is still 197.1MB. Free memory was 91.7MB in the beginning and 88.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.3s, OverallIterations: 8, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 773.06ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 601 SdHoareTripleChecker+Invalid, 625.38ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 444 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 318 IncrementalHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 168 mSDtfsCounter, 318 mSolverCounterSat, 21.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 282 GetRequests, 213 SyntacticMatches, 6 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=7, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 42 PreInvPairs, 71 NumberOfFragments, 134 HoareAnnotationTreeSize, 42 FomulaSimplifications, 73 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 718 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 129 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 820 SizeOfPredicates, 7 NumberOfNonLiveVariables, 410 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 158/174 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: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: t == 1 + 2 * a && 4 * s == t * t + 2 * t + 1 RESULT: Ultimate proved your program to be correct! [2021-11-13 01:35:03,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eacaa93-719c-4c2c-9c47-fc8a4f4fd08f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE