./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0036602275d14d2f63e3aedc245d67d50c1210f9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 08:57:36,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 08:57:36,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 08:57:36,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 08:57:36,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 08:57:36,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 08:57:36,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 08:57:36,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 08:57:36,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 08:57:36,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 08:57:36,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 08:57:36,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 08:57:36,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 08:57:36,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 08:57:36,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 08:57:36,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 08:57:36,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 08:57:36,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 08:57:36,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 08:57:36,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 08:57:36,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 08:57:36,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 08:57:36,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 08:57:36,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 08:57:36,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 08:57:36,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 08:57:36,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 08:57:36,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 08:57:36,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 08:57:36,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 08:57:36,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 08:57:36,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 08:57:36,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 08:57:36,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 08:57:36,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 08:57:36,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 08:57:36,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 08:57:36,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 08:57:36,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 08:57:36,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 08:57:36,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 08:57:36,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 08:57:36,095 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 08:57:36,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 08:57:36,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 08:57:36,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 08:57:36,097 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 08:57:36,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 08:57:36,097 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 08:57:36,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 08:57:36,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 08:57:36,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 08:57:36,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 08:57:36,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 08:57:36,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 08:57:36,099 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 08:57:36,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 08:57:36,099 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 08:57:36,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 08:57:36,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 08:57:36,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 08:57:36,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 08:57:36,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 08:57:36,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 08:57:36,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 08:57:36,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 08:57:36,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 08:57:36,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 08:57:36,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 08:57:36,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 08:57:36,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0036602275d14d2f63e3aedc245d67d50c1210f9 [2021-07-05 08:57:36,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 08:57:36,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 08:57:36,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 08:57:36,353 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 08:57:36,354 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 08:57:36,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2021-07-05 08:57:36,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b744c426/bd0500acd0ac4de1b8a7a279d89a1d9a/FLAGce7c2e3bf [2021-07-05 08:57:36,768 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 08:57:36,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2021-07-05 08:57:36,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b744c426/bd0500acd0ac4de1b8a7a279d89a1d9a/FLAGce7c2e3bf [2021-07-05 08:57:37,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b744c426/bd0500acd0ac4de1b8a7a279d89a1d9a [2021-07-05 08:57:37,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 08:57:37,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 08:57:37,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 08:57:37,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 08:57:37,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 08:57:37,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 08:57:37" (1/1) ... [2021-07-05 08:57:37,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cd2b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 08:57:37, skipping insertion in model container [2021-07-05 08:57:37,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 08:57:37" (1/1) ... [2021-07-05 08:57:37,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 08:57:37,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 08:57:37,294 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2021-07-05 08:57:37,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 08:57:37,307 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 08:57:37,314 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2021-07-05 08:57:37,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 08:57:37,326 INFO L208 MainTranslator]: Completed translation [2021-07-05 08:57:37,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 08:57:37 WrapperNode [2021-07-05 08:57:37,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 08:57:37,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 08:57:37,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 08:57:37,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 08:57:37,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 08:57:37" (1/1) ... [2021-07-05 08:57:37,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 08:57:37" (1/1) ... [2021-07-05 08:57:37,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 08:57:37,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 08:57:37,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 08:57:37,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 08:57:37,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 08:57:37" (1/1) ... [2021-07-05 08:57:37,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 08:57:37" (1/1) ... [2021-07-05 08:57:37,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 08:57:37" (1/1) ... [2021-07-05 08:57:37,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 08:57:37" (1/1) ... [2021-07-05 08:57:37,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 08:57:37" (1/1) ... [2021-07-05 08:57:37,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 08:57:37" (1/1) ... [2021-07-05 08:57:37,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 08:57:37" (1/1) ... [2021-07-05 08:57:37,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 08:57:37,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 08:57:37,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 08:57:37,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 08:57:37,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 08:57:37" (1/1) ... [2021-07-05 08:57:37,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 08:57:37,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:37,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 08:57:37,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 08:57:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 08:57:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 08:57:37,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 08:57:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 08:57:37,706 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 08:57:37,711 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-07-05 08:57:37,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 08:57:37 BoogieIcfgContainer [2021-07-05 08:57:37,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 08:57:37,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 08:57:37,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 08:57:37,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 08:57:37,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 08:57:37" (1/3) ... [2021-07-05 08:57:37,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be1e1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 08:57:37, skipping insertion in model container [2021-07-05 08:57:37,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 08:57:37" (2/3) ... [2021-07-05 08:57:37,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be1e1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 08:57:37, skipping insertion in model container [2021-07-05 08:57:37,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 08:57:37" (3/3) ... [2021-07-05 08:57:37,719 INFO L111 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound2.c [2021-07-05 08:57:37,736 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 08:57:37,736 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-07-05 08:57:37,770 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 08:57:37,776 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 08:57:37,776 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 08:57:37,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 25 states have (on average 1.6) internal successors, (40), 31 states have internal predecessors, (40), 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) [2021-07-05 08:57:37,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-05 08:57:37,790 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:37,790 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-05 08:57:37,791 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:37,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:37,798 INFO L82 PathProgramCache]: Analyzing trace with hash 889571274, now seen corresponding path program 1 times [2021-07-05 08:57:37,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:37,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443409129] [2021-07-05 08:57:37,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:37,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:37,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:37,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:37,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:37,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 08:57:37,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:37,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 08:57:37,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:37,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:37,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:37,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443409129] [2021-07-05 08:57:37,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443409129] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:37,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:37,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 08:57:37,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628054682] [2021-07-05 08:57:37,938 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 08:57:37,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:37,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 08:57:37,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 08:57:37,952 INFO L87 Difference]: Start difference. First operand has 32 states, 25 states have (on average 1.6) internal successors, (40), 31 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2021-07-05 08:57:38,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:38,037 INFO L93 Difference]: Finished difference Result 89 states and 113 transitions. [2021-07-05 08:57:38,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 08:57:38,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-07-05 08:57:38,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:38,047 INFO L225 Difference]: With dead ends: 89 [2021-07-05 08:57:38,047 INFO L226 Difference]: Without dead ends: 20 [2021-07-05 08:57:38,050 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-05 08:57:38,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-07-05 08:57:38,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2021-07-05 08:57:38,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-07-05 08:57:38,074 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 6 [2021-07-05 08:57:38,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:38,074 INFO L442 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-07-05 08:57:38,074 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2021-07-05 08:57:38,074 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-07-05 08:57:38,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-07-05 08:57:38,075 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:38,075 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:38,076 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 08:57:38,076 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:38,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:38,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1265507748, now seen corresponding path program 1 times [2021-07-05 08:57:38,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:38,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261372014] [2021-07-05 08:57:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:38,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:38,108 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:38,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [283855580] [2021-07-05 08:57:38,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:38,111 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:38,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:38,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:38,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-07-05 08:57:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:38,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 08:57:38,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:38,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 08:57:38,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:38,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:38,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,298 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 08:57:38,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:38,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:38,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261372014] [2021-07-05 08:57:38,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:38,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283855580] [2021-07-05 08:57:38,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283855580] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 08:57:38,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 08:57:38,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-07-05 08:57:38,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222204857] [2021-07-05 08:57:38,306 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 08:57:38,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:38,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 08:57:38,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 08:57:38,316 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:38,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:38,356 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-07-05 08:57:38,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 08:57:38,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-07-05 08:57:38,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:38,357 INFO L225 Difference]: With dead ends: 30 [2021-07-05 08:57:38,357 INFO L226 Difference]: Without dead ends: 28 [2021-07-05 08:57:38,358 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 22.9ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-05 08:57:38,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-07-05 08:57:38,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 23. [2021-07-05 08:57:38,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2021-07-05 08:57:38,362 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 14 [2021-07-05 08:57:38,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:38,362 INFO L442 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2021-07-05 08:57:38,362 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:38,362 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2021-07-05 08:57:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-05 08:57:38,363 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:38,363 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2021-07-05 08:57:38,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:38,568 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:38,569 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:38,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:38,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1785416430, now seen corresponding path program 2 times [2021-07-05 08:57:38,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:38,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037633115] [2021-07-05 08:57:38,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:38,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:38,576 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:38,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [646165036] [2021-07-05 08:57:38,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-07-05 08:57:38,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:38,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:38,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:38,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-07-05 08:57:38,640 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-05 08:57:38,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 08:57:38,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-05 08:57:38,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:38,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:38,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:38,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:38,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:38,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:38,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 08:57:38,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:38,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:38,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:38,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:38,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:38,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 08:57:38,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:38,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:38,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:38,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:38,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:38,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:38,754 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-07-05 08:57:38,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:38,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:38,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:38,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037633115] [2021-07-05 08:57:38,757 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:38,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646165036] [2021-07-05 08:57:38,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646165036] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 08:57:38,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 08:57:38,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-07-05 08:57:38,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908292300] [2021-07-05 08:57:38,758 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 08:57:38,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:38,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 08:57:38,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-05 08:57:38,759 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-07-05 08:57:38,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:38,774 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-07-05 08:57:38,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 08:57:38,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-07-05 08:57:38,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:38,775 INFO L225 Difference]: With dead ends: 30 [2021-07-05 08:57:38,775 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 08:57:38,775 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 15.4ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-07-05 08:57:38,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 08:57:38,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 08:57:38,776 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) [2021-07-05 08:57:38,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 08:57:38,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-07-05 08:57:38,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:38,776 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 08:57:38,776 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-07-05 08:57:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 08:57:38,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 08:57:38,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 08:57:38,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:38,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:38,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:38,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:38,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:38,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:38,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:38,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:38,884 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:38,885 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:38,885 INFO L758 garLoopResultBuilder]: At program point L48(lines 21 49) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:38,885 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 08:57:38,885 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:38,885 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 08:57:38,885 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 08:57:38,885 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:38,885 INFO L762 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L758 garLoopResultBuilder]: At program point L12-2(lines 11 17) the Hoare annotation is: (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~a~0 0) (<= 1 ~counter~0) (= ULTIMATE.start_main_~t~0 1)) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= 2 ~counter~0))) [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point L12-3(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L758 garLoopResultBuilder]: At program point L12-5(lines 11 17) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and (= ULTIMATE.start_main_~a~0 0) .cse0 (<= 1 ~counter~0) (= ULTIMATE.start_main_~t~0 1)) (and .cse0 (<= 2 ~counter~0)))) [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point L12-6(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L758 garLoopResultBuilder]: At program point L12-8(lines 36 37) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and (= ULTIMATE.start_main_~a~0 0) .cse0 (<= 1 ~counter~0) (= ULTIMATE.start_main_~t~0 1)) (and .cse0 (<= 2 ~counter~0)))) [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point L12-9(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L758 garLoopResultBuilder]: At program point L12-11(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point L12-12(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L758 garLoopResultBuilder]: At program point L12-14(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point L12-15(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L758 garLoopResultBuilder]: At program point L12-17(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point L13-1(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point L13-2(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point L13-3(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point L13-4(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point L13-5(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:38,886 INFO L762 garLoopResultBuilder]: For program point L30-1(lines 30 42) no Hoare annotation was computed. [2021-07-05 08:57:38,887 INFO L758 garLoopResultBuilder]: At program point L30-3(lines 30 42) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and (<= 0 ~counter~0) (= (+ (* 2 ULTIMATE.start_main_~a~0) 1) ULTIMATE.start_main_~t~0) (= ULTIMATE.start_main_~t~0 1)) (and .cse0 (<= 2 ~counter~0)) (and (= ULTIMATE.start_main_~t~0 3) (= ULTIMATE.start_main_~a~0 1) .cse0 (<= 1 ~counter~0)))) [2021-07-05 08:57:38,887 INFO L762 garLoopResultBuilder]: For program point L30-4(lines 30 42) no Hoare annotation was computed. [2021-07-05 08:57:38,887 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:38,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:39,095 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-07-05 08:57:39,096 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 08:57:39,098 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/6) [2021-07-05 08:57:39,100 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 08:57:39,108 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 08:57:39,108 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 08:57:39,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 25 states have (on average 1.6) internal successors, (40), 31 states have internal predecessors, (40), 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) [2021-07-05 08:57:39,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-07-05 08:57:39,109 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:39,109 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:39,109 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:39,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:39,110 INFO L82 PathProgramCache]: Analyzing trace with hash 179657965, now seen corresponding path program 1 times [2021-07-05 08:57:39,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:39,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729477215] [2021-07-05 08:57:39,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:39,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:39,117 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:39,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1650978330] [2021-07-05 08:57:39,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:39,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:39,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:39,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:39,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-07-05 08:57:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:39,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-05 08:57:39,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:39,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 08:57:39,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:39,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:39,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,205 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 08:57:39,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:39,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:39,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729477215] [2021-07-05 08:57:39,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:39,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650978330] [2021-07-05 08:57:39,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650978330] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:39,208 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:39,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 08:57:39,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722885047] [2021-07-05 08:57:39,209 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 08:57:39,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:39,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 08:57:39,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 08:57:39,210 INFO L87 Difference]: Start difference. First operand has 32 states, 25 states have (on average 1.6) internal successors, (40), 31 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:39,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:39,266 INFO L93 Difference]: Finished difference Result 88 states and 112 transitions. [2021-07-05 08:57:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 08:57:39,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-07-05 08:57:39,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:39,267 INFO L225 Difference]: With dead ends: 88 [2021-07-05 08:57:39,267 INFO L226 Difference]: Without dead ends: 20 [2021-07-05 08:57:39,267 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-05 08:57:39,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-07-05 08:57:39,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2021-07-05 08:57:39,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 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) [2021-07-05 08:57:39,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2021-07-05 08:57:39,269 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 8 [2021-07-05 08:57:39,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:39,269 INFO L442 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2021-07-05 08:57:39,269 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:39,269 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2021-07-05 08:57:39,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-07-05 08:57:39,269 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:39,269 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:39,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:39,470 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:39,470 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:39,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:39,471 INFO L82 PathProgramCache]: Analyzing trace with hash -677045505, now seen corresponding path program 1 times [2021-07-05 08:57:39,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:39,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816036569] [2021-07-05 08:57:39,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:39,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:39,476 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:39,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1703103099] [2021-07-05 08:57:39,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:39,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:39,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:39,485 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:39,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-07-05 08:57:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:39,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-05 08:57:39,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:39,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:39,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:39,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 08:57:39,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:39,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:39,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,588 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 08:57:39,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:39,590 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:39,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:39,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816036569] [2021-07-05 08:57:39,591 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:39,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703103099] [2021-07-05 08:57:39,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703103099] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 08:57:39,591 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 08:57:39,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-07-05 08:57:39,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728642443] [2021-07-05 08:57:39,592 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 08:57:39,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:39,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 08:57:39,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 08:57:39,592 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-07-05 08:57:39,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:39,635 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-07-05 08:57:39,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 08:57:39,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-07-05 08:57:39,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:39,636 INFO L225 Difference]: With dead ends: 30 [2021-07-05 08:57:39,636 INFO L226 Difference]: Without dead ends: 28 [2021-07-05 08:57:39,637 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 23.4ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-05 08:57:39,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-07-05 08:57:39,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2021-07-05 08:57:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 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) [2021-07-05 08:57:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2021-07-05 08:57:39,643 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 16 [2021-07-05 08:57:39,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:39,644 INFO L442 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2021-07-05 08:57:39,644 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2021-07-05 08:57:39,644 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2021-07-05 08:57:39,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-05 08:57:39,645 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:39,645 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1] [2021-07-05 08:57:39,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:39,858 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:39,858 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:39,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:39,858 INFO L82 PathProgramCache]: Analyzing trace with hash 2093393681, now seen corresponding path program 2 times [2021-07-05 08:57:39,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:39,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922265527] [2021-07-05 08:57:39,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:39,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:39,864 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:39,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [762458337] [2021-07-05 08:57:39,864 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-07-05 08:57:39,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:39,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:39,865 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:39,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-07-05 08:57:39,912 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-05 08:57:39,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 08:57:39,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-05 08:57:39,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:39,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:39,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:39,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:39,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:39,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:39,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 08:57:39,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:39,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:39,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:39,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:39,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:39,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 08:57:39,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:39,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:39,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:39,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:39,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:39,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:39,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:40,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:40,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:40,005 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-07-05 08:57:40,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:40,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:40,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922265527] [2021-07-05 08:57:40,015 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:40,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762458337] [2021-07-05 08:57:40,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762458337] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 08:57:40,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 08:57:40,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-07-05 08:57:40,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840384619] [2021-07-05 08:57:40,016 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 08:57:40,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:40,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 08:57:40,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-05 08:57:40,017 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-07-05 08:57:40,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:40,037 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2021-07-05 08:57:40,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 08:57:40,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-07-05 08:57:40,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:40,038 INFO L225 Difference]: With dead ends: 30 [2021-07-05 08:57:40,039 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 08:57:40,039 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.1ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-07-05 08:57:40,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 08:57:40,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 08:57:40,039 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) [2021-07-05 08:57:40,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 08:57:40,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-07-05 08:57:40,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:40,039 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 08:57:40,039 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-07-05 08:57:40,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 08:57:40,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 08:57:40,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 08:57:40,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:40,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:40,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:40,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:40,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:40,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:40,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:40,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:40,126 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:40,126 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:40,126 INFO L758 garLoopResultBuilder]: At program point L48(lines 21 49) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:40,126 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 08:57:40,126 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:40,126 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 08:57:40,126 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 08:57:40,126 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:40,126 INFO L762 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:40,126 INFO L758 garLoopResultBuilder]: At program point L12-2(lines 11 17) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= ULTIMATE.start_main_~a~0 0)) (.cse3 (<= 1 ~counter~0)) (.cse4 (= ULTIMATE.start_main_~t~0 1)) (.cse0 (<= 2 ~counter~0))) (and (or (and (= ULTIMATE.start_main_~s~0 4) (= ULTIMATE.start_main_~a~0 1) .cse0) (and .cse1 (= ULTIMATE.start_main_~s~0 1) .cse2 .cse3 .cse4)) (or (and .cse1 .cse2 .cse3 .cse4) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) .cse0)))) [2021-07-05 08:57:40,126 INFO L762 garLoopResultBuilder]: For program point L12-3(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:40,126 INFO L758 garLoopResultBuilder]: At program point L12-5(lines 11 17) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~a~0 0)) (.cse2 (<= 1 ~counter~0)) (.cse3 (= ULTIMATE.start_main_~t~0 1)) (.cse4 (<= 2 ~counter~0))) (and (let ((.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4))) (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 1) .cse0 .cse2 .cse3) .cse4))) [2021-07-05 08:57:40,126 INFO L762 garLoopResultBuilder]: For program point L12-6(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L758 garLoopResultBuilder]: At program point L12-8(lines 36 37) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~a~0 0)) (.cse2 (<= 1 ~counter~0)) (.cse3 (= ULTIMATE.start_main_~t~0 1)) (.cse4 (<= 2 ~counter~0))) (and (let ((.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4))) (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 1) .cse0 .cse2 .cse3) .cse4))) [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point L12-9(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L758 garLoopResultBuilder]: At program point L12-11(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point L12-12(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L758 garLoopResultBuilder]: At program point L12-14(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point L12-15(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L758 garLoopResultBuilder]: At program point L12-17(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point L13-1(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point L13-2(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point L13-3(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point L13-4(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point L13-5(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point L30-1(lines 30 42) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L758 garLoopResultBuilder]: At program point L30-3(lines 30 42) the Hoare annotation is: (let ((.cse0 (<= 0 ~counter~0)) (.cse1 (= ULTIMATE.start_main_~t~0 1)) (.cse4 (<= 2 ~counter~0)) (.cse2 (= ULTIMATE.start_main_~a~0 1)) (.cse3 (<= 1 ~counter~0))) (and (or (and (= ULTIMATE.start_main_~s~0 1) (= ULTIMATE.start_main_~a~0 0) .cse0 .cse1) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 4) .cse2 .cse3) .cse4) (let ((.cse5 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 (= (+ (* 2 ULTIMATE.start_main_~a~0) 1) ULTIMATE.start_main_~t~0) .cse1) (and .cse5 .cse4) (and (= ULTIMATE.start_main_~t~0 3) .cse2 .cse5 .cse3))))) [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point L30-4(lines 30 42) no Hoare annotation was computed. [2021-07-05 08:57:40,127 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:40,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:40,328 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-05 08:57:40,328 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 08:57:40,328 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/6) [2021-07-05 08:57:40,329 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 08:57:40,329 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 08:57:40,329 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 08:57:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 25 states have (on average 1.6) internal successors, (40), 31 states have internal predecessors, (40), 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) [2021-07-05 08:57:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-07-05 08:57:40,330 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:40,330 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:40,331 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:40,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:40,331 INFO L82 PathProgramCache]: Analyzing trace with hash 852768432, now seen corresponding path program 1 times [2021-07-05 08:57:40,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:40,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936198568] [2021-07-05 08:57:40,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:40,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:40,336 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:40,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [200042762] [2021-07-05 08:57:40,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:40,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:40,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:40,337 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:40,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-07-05 08:57:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:40,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-05 08:57:40,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:40,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-05 08:57:40,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:40,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:40,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:40,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:40,412 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 08:57:40,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:40,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:40,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936198568] [2021-07-05 08:57:40,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:40,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200042762] [2021-07-05 08:57:40,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200042762] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:40,415 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:40,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 08:57:40,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417335774] [2021-07-05 08:57:40,415 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 08:57:40,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:40,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 08:57:40,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 08:57:40,415 INFO L87 Difference]: Start difference. First operand has 32 states, 25 states have (on average 1.6) internal successors, (40), 31 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-07-05 08:57:40,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:40,477 INFO L93 Difference]: Finished difference Result 92 states and 118 transitions. [2021-07-05 08:57:40,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 08:57:40,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-07-05 08:57:40,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:40,480 INFO L225 Difference]: With dead ends: 92 [2021-07-05 08:57:40,480 INFO L226 Difference]: Without dead ends: 22 [2021-07-05 08:57:40,480 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-05 08:57:40,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-07-05 08:57:40,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2021-07-05 08:57:40,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:40,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-07-05 08:57:40,481 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 10 [2021-07-05 08:57:40,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:40,482 INFO L442 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-07-05 08:57:40,482 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-07-05 08:57:40,482 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-07-05 08:57:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-05 08:57:40,482 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:40,482 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:40,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:40,688 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:40,689 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:40,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:40,689 INFO L82 PathProgramCache]: Analyzing trace with hash -2100512702, now seen corresponding path program 1 times [2021-07-05 08:57:40,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:40,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780972214] [2021-07-05 08:57:40,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:40,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:40,694 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:40,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [93695130] [2021-07-05 08:57:40,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:40,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:40,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:40,695 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:40,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-07-05 08:57:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:40,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 08:57:40,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:40,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 08:57:40,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 08:57:40,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 08:57:40,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 08:57:40,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 08:57:40,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-05 08:57:40,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:40,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:40,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:40,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:40,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:40,797 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 08:57:40,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:40,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:40,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:40,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780972214] [2021-07-05 08:57:40,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:40,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93695130] [2021-07-05 08:57:40,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93695130] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 08:57:40,800 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 08:57:40,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-07-05 08:57:40,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494599045] [2021-07-05 08:57:40,801 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 08:57:40,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:40,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 08:57:40,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 08:57:40,801 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-07-05 08:57:40,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:40,838 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2021-07-05 08:57:40,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-05 08:57:40,839 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-07-05 08:57:40,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:40,839 INFO L225 Difference]: With dead ends: 32 [2021-07-05 08:57:40,839 INFO L226 Difference]: Without dead ends: 30 [2021-07-05 08:57:40,840 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 21.8ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-05 08:57:40,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-07-05 08:57:40,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2021-07-05 08:57:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 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) [2021-07-05 08:57:40,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2021-07-05 08:57:40,842 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 18 [2021-07-05 08:57:40,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:40,842 INFO L442 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2021-07-05 08:57:40,842 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-07-05 08:57:40,842 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2021-07-05 08:57:40,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-07-05 08:57:40,843 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:40,843 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2021-07-05 08:57:40,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:41,056 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:41,057 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:41,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:41,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1706788820, now seen corresponding path program 2 times [2021-07-05 08:57:41,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:41,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773353789] [2021-07-05 08:57:41,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:41,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:41,063 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:41,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1985577980] [2021-07-05 08:57:41,063 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-07-05 08:57:41,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:41,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:41,064 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:41,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-07-05 08:57:41,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-07-05 08:57:41,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 08:57:41,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-05 08:57:41,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:41,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 08:57:41,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:41,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 08:57:41,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 08:57:41,155 INFO L142 QuantifierPusher]: treesize reduction 14, result has 51.7 percent of original size [2021-07-05 08:57:41,157 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-07-05 08:57:41,157 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-07-05 08:57:41,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:41,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:41,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:41,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-05 08:57:41,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-05 08:57:41,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-05 08:57:41,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-05 08:57:41,204 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.1 percent of original size [2021-07-05 08:57:41,205 INFO L147 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size 33 [2021-07-05 08:57:41,206 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.5 percent of original size [2021-07-05 08:57:41,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-05 08:57:41,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-05 08:57:41,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-05 08:57:41,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-05 08:57:41,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:41,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-05 08:57:41,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-05 08:57:41,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:41,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:41,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:41,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:41,313 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 08:57:41,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:41,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:41,315 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-05 08:57:41,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:41,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773353789] [2021-07-05 08:57:41,316 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:41,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985577980] [2021-07-05 08:57:41,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985577980] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:41,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:41,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-05 08:57:41,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524074633] [2021-07-05 08:57:41,316 INFO L425 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-05 08:57:41,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:41,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-05 08:57:41,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-05 08:57:41,317 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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) [2021-07-05 08:57:50,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:50,195 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2021-07-05 08:57:50,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 08:57:50,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-07-05 08:57:50,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:50,196 INFO L225 Difference]: With dead ends: 27 [2021-07-05 08:57:50,196 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 08:57:50,196 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 120.6ms TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-05 08:57:50,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 08:57:50,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 08:57:50,196 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) [2021-07-05 08:57:50,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 08:57:50,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-07-05 08:57:50,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:50,197 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 08:57:50,197 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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) [2021-07-05 08:57:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 08:57:50,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 08:57:50,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 08:57:50,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,264 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:50,264 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:50,264 INFO L758 garLoopResultBuilder]: At program point L48(lines 21 49) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:50,264 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 08:57:50,264 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:50,264 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 08:57:50,264 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 08:57:50,264 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:50,264 INFO L762 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L758 garLoopResultBuilder]: At program point L12-2(lines 11 17) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= ULTIMATE.start_main_~a~0 0)) (.cse3 (<= 1 ~counter~0)) (.cse4 (= ULTIMATE.start_main_~t~0 1)) (.cse0 (<= 2 ~counter~0))) (and (or (and (= ULTIMATE.start_main_~s~0 4) (= ULTIMATE.start_main_~a~0 1) .cse0) (and .cse1 (= ULTIMATE.start_main_~s~0 1) .cse2 .cse3 .cse4)) (= ULTIMATE.start_main_~s~0 (let ((.cse5 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse5) (* .cse5 .cse5) 1))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (+ (* 2 ULTIMATE.start_main_~a~0) 1) ULTIMATE.start_main_~t~0) (or (and .cse1 .cse2 .cse3 .cse4) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) .cse0)))) [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point L12-3(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L758 garLoopResultBuilder]: At program point L12-5(lines 11 17) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~a~0 0)) (.cse2 (<= 1 ~counter~0)) (.cse3 (= ULTIMATE.start_main_~t~0 1)) (.cse4 (<= 2 ~counter~0))) (and (let ((.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4))) (= ULTIMATE.start_main_~s~0 (let ((.cse5 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse5) (* .cse5 .cse5) 1))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 1) .cse0 .cse2 .cse3) .cse4) (= (+ (* 2 ULTIMATE.start_main_~a~0) 1) ULTIMATE.start_main_~t~0))) [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point L12-6(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L758 garLoopResultBuilder]: At program point L12-8(lines 36 37) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~a~0 0)) (.cse2 (<= 1 ~counter~0)) (.cse3 (= ULTIMATE.start_main_~t~0 1)) (.cse4 (<= 2 ~counter~0))) (and (let ((.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4))) (= ULTIMATE.start_main_~s~0 (let ((.cse5 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse5) (* .cse5 .cse5) 1))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 1) .cse0 .cse2 .cse3) .cse4) (= (+ (* 2 ULTIMATE.start_main_~a~0) 1) ULTIMATE.start_main_~t~0))) [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point L12-9(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L758 garLoopResultBuilder]: At program point L12-11(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point L12-12(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L758 garLoopResultBuilder]: At program point L12-14(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point L12-15(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L758 garLoopResultBuilder]: At program point L12-17(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point L13-1(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point L13-2(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point L13-3(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point L13-4(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point L13-5(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L762 garLoopResultBuilder]: For program point L30-1(lines 30 42) no Hoare annotation was computed. [2021-07-05 08:57:50,265 INFO L758 garLoopResultBuilder]: At program point L30-3(lines 30 42) the Hoare annotation is: (let ((.cse0 (<= 0 ~counter~0)) (.cse4 (<= 2 ~counter~0)) (.cse2 (= ULTIMATE.start_main_~a~0 1)) (.cse3 (<= 1 ~counter~0)) (.cse5 (= (+ (* 2 ULTIMATE.start_main_~a~0) 1) ULTIMATE.start_main_~t~0)) (.cse1 (= ULTIMATE.start_main_~t~0 1))) (and (or (and (= ULTIMATE.start_main_~s~0 1) (= ULTIMATE.start_main_~a~0 0) .cse0 .cse1) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 4) .cse2 .cse3) .cse4) (let ((.cse6 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 .cse5 .cse1) (and .cse6 .cse4) (and (= ULTIMATE.start_main_~t~0 3) .cse2 .cse6 .cse3))) (let ((.cse7 (= ULTIMATE.start_main_~s~0 (let ((.cse8 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse8) (* .cse8 .cse8) 1))))) (or (and .cse7 (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse5) (and .cse7 .cse5 .cse1))))) [2021-07-05 08:57:50,266 INFO L762 garLoopResultBuilder]: For program point L30-4(lines 30 42) no Hoare annotation was computed. [2021-07-05 08:57:50,266 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:50,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:50,466 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-07-05 08:57:50,466 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 08:57:50,467 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/6) [2021-07-05 08:57:50,468 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 08:57:50,468 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 08:57:50,468 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 08:57:50,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 25 states have (on average 1.6) internal successors, (40), 31 states have internal predecessors, (40), 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) [2021-07-05 08:57:50,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-05 08:57:50,469 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:50,469 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-05 08:57:50,469 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:50,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:50,469 INFO L82 PathProgramCache]: Analyzing trace with hash 890922791, now seen corresponding path program 1 times [2021-07-05 08:57:50,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:50,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177867045] [2021-07-05 08:57:50,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:50,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:50,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:50,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:50,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177867045] [2021-07-05 08:57:50,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177867045] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:50,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:50,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 08:57:50,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624899800] [2021-07-05 08:57:50,478 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 08:57:50,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:50,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 08:57:50,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 08:57:50,481 INFO L87 Difference]: Start difference. First operand has 32 states, 25 states have (on average 1.6) internal successors, (40), 31 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-07-05 08:57:50,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:50,482 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2021-07-05 08:57:50,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 08:57:50,482 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-07-05 08:57:50,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:50,482 INFO L225 Difference]: With dead ends: 62 [2021-07-05 08:57:50,482 INFO L226 Difference]: Without dead ends: 14 [2021-07-05 08:57:50,482 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 08:57:50,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-07-05 08:57:50,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-07-05 08:57:50,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:50,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-07-05 08:57:50,484 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 6 [2021-07-05 08:57:50,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:50,484 INFO L442 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-07-05 08:57:50,484 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-07-05 08:57:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-07-05 08:57:50,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-07-05 08:57:50,484 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:50,484 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:50,484 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-07-05 08:57:50,485 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:50,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:50,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1806883921, now seen corresponding path program 1 times [2021-07-05 08:57:50,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:50,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032918189] [2021-07-05 08:57:50,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:50,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:50,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:50,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:50,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032918189] [2021-07-05 08:57:50,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032918189] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:50,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:50,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 08:57:50,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987937996] [2021-07-05 08:57:50,502 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 08:57:50,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:50,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 08:57:50,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 08:57:50,503 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-07-05 08:57:50,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:50,509 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2021-07-05 08:57:50,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 08:57:50,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-07-05 08:57:50,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:50,510 INFO L225 Difference]: With dead ends: 20 [2021-07-05 08:57:50,510 INFO L226 Difference]: Without dead ends: 16 [2021-07-05 08:57:50,511 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 08:57:50,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-07-05 08:57:50,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-07-05 08:57:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 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) [2021-07-05 08:57:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2021-07-05 08:57:50,512 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 7 [2021-07-05 08:57:50,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:50,512 INFO L442 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2021-07-05 08:57:50,512 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-07-05 08:57:50,512 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-07-05 08:57:50,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-07-05 08:57:50,513 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:50,513 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:50,513 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-07-05 08:57:50,513 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:50,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:50,513 INFO L82 PathProgramCache]: Analyzing trace with hash 97710532, now seen corresponding path program 1 times [2021-07-05 08:57:50,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:50,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100534953] [2021-07-05 08:57:50,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:50,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:50,518 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:50,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [345388498] [2021-07-05 08:57:50,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:50,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:50,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:50,519 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:50,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-07-05 08:57:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:50,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 08:57:50,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 08:57:50,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:50,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 08:57:50,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 08:57:50,582 INFO L142 QuantifierPusher]: treesize reduction 14, result has 51.7 percent of original size [2021-07-05 08:57:50,582 INFO L147 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size 11 [2021-07-05 08:57:50,583 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-07-05 08:57:50,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 08:57:50,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:50,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 08:57:50,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 08:57:50,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,607 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 08:57:50,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:50,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:50,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100534953] [2021-07-05 08:57:50,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:50,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345388498] [2021-07-05 08:57:50,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345388498] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:50,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:50,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 08:57:50,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928487637] [2021-07-05 08:57:50,610 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 08:57:50,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:50,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 08:57:50,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 08:57:50,612 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2021-07-05 08:57:50,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:50,637 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2021-07-05 08:57:50,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 08:57:50,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-07-05 08:57:50,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:50,642 INFO L225 Difference]: With dead ends: 16 [2021-07-05 08:57:50,642 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 08:57:50,643 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.5ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-05 08:57:50,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 08:57:50,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 08:57:50,643 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) [2021-07-05 08:57:50,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 08:57:50,643 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2021-07-05 08:57:50,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:50,643 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 08:57:50,644 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2021-07-05 08:57:50,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 08:57:50,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 08:57:50,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 08:57:50,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:50,657 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:50,657 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:50,657 INFO L758 garLoopResultBuilder]: At program point L48(lines 21 49) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:50,657 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 08:57:50,657 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:50,657 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 08:57:50,657 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 08:57:50,657 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:50,658 INFO L762 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:50,658 INFO L758 garLoopResultBuilder]: At program point L12-2(lines 11 17) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= ULTIMATE.start_main_~a~0 0)) (.cse3 (<= 1 ~counter~0)) (.cse4 (= ULTIMATE.start_main_~t~0 1)) (.cse0 (<= 2 ~counter~0))) (and (or (and (= ULTIMATE.start_main_~s~0 4) (= ULTIMATE.start_main_~a~0 1) .cse0) (and .cse1 (= ULTIMATE.start_main_~s~0 1) .cse2 .cse3 .cse4)) (= ULTIMATE.start_main_~s~0 (let ((.cse5 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse5) (* .cse5 .cse5) 1))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (+ (* 2 ULTIMATE.start_main_~a~0) 1) ULTIMATE.start_main_~t~0) (or (and .cse1 .cse2 .cse3 .cse4) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) .cse0)))) [2021-07-05 08:57:50,658 INFO L762 garLoopResultBuilder]: For program point L12-3(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:50,658 INFO L758 garLoopResultBuilder]: At program point L12-5(lines 11 17) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~a~0 0)) (.cse2 (<= 1 ~counter~0)) (.cse3 (= ULTIMATE.start_main_~t~0 1)) (.cse4 (<= 2 ~counter~0))) (and (let ((.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4))) (= ULTIMATE.start_main_~s~0 (let ((.cse5 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse5) (* .cse5 .cse5) 1))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 1) .cse0 .cse2 .cse3) .cse4) (= (+ (* 2 ULTIMATE.start_main_~a~0) 1) ULTIMATE.start_main_~t~0))) [2021-07-05 08:57:50,658 INFO L762 garLoopResultBuilder]: For program point L12-6(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:50,658 INFO L758 garLoopResultBuilder]: At program point L12-8(lines 36 37) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~a~0 0)) (.cse2 (<= 1 ~counter~0)) (.cse3 (= ULTIMATE.start_main_~t~0 1)) (.cse4 (<= 2 ~counter~0))) (and (let ((.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4))) (= ULTIMATE.start_main_~s~0 (let ((.cse5 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse5) (* .cse5 .cse5) 1))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 1) .cse0 .cse2 .cse3) .cse4) (= (+ (* 2 ULTIMATE.start_main_~a~0) 1) ULTIMATE.start_main_~t~0))) [2021-07-05 08:57:50,658 INFO L762 garLoopResultBuilder]: For program point L12-9(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:50,659 INFO L758 garLoopResultBuilder]: At program point L12-11(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:50,659 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 08:57:50,659 INFO L762 garLoopResultBuilder]: For program point L12-12(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:50,659 INFO L758 garLoopResultBuilder]: At program point L12-14(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:50,660 INFO L762 garLoopResultBuilder]: For program point L12-15(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:50,660 INFO L758 garLoopResultBuilder]: At program point L12-17(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:50,660 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:50,660 INFO L762 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:50,660 INFO L762 garLoopResultBuilder]: For program point L13-1(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:50,660 INFO L762 garLoopResultBuilder]: For program point L13-2(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:50,660 INFO L762 garLoopResultBuilder]: For program point L13-3(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:50,661 INFO L762 garLoopResultBuilder]: For program point L13-4(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:50,661 INFO L762 garLoopResultBuilder]: For program point L13-5(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:50,661 INFO L762 garLoopResultBuilder]: For program point L30-1(lines 30 42) no Hoare annotation was computed. [2021-07-05 08:57:50,661 INFO L758 garLoopResultBuilder]: At program point L30-3(lines 30 42) the Hoare annotation is: (let ((.cse0 (<= 0 ~counter~0)) (.cse4 (<= 2 ~counter~0)) (.cse2 (= ULTIMATE.start_main_~a~0 1)) (.cse3 (<= 1 ~counter~0)) (.cse1 (= ULTIMATE.start_main_~t~0 1)) (.cse5 (= (+ (* 2 ULTIMATE.start_main_~a~0) 1) ULTIMATE.start_main_~t~0))) (and (or (and (= ULTIMATE.start_main_~s~0 1) (= ULTIMATE.start_main_~a~0 0) .cse0 .cse1) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 4) .cse2 .cse3) .cse4) (let ((.cse6 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 .cse5 .cse1) (and .cse6 .cse4) (and (= ULTIMATE.start_main_~t~0 3) .cse2 .cse6 .cse3))) (let ((.cse7 (= ULTIMATE.start_main_~s~0 (let ((.cse8 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse8) (* .cse8 .cse8) 1))))) (or (and .cse7 (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse5) (and .cse7 .cse5 .cse1))) .cse5)) [2021-07-05 08:57:50,661 INFO L762 garLoopResultBuilder]: For program point L30-4(lines 30 42) no Hoare annotation was computed. [2021-07-05 08:57:50,661 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:50,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:50,866 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-07-05 08:57:50,866 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 08:57:50,866 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION was SAFE (4/6) [2021-07-05 08:57:50,867 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 08:57:50,867 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 08:57:50,867 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 08:57:50,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 25 states have (on average 1.6) internal successors, (40), 31 states have internal predecessors, (40), 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) [2021-07-05 08:57:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-07-05 08:57:50,868 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:50,868 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:50,868 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:50,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:50,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1478467114, now seen corresponding path program 1 times [2021-07-05 08:57:50,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:50,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105939714] [2021-07-05 08:57:50,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:50,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:50,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:50,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:50,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105939714] [2021-07-05 08:57:50,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105939714] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:50,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:50,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 08:57:50,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673271626] [2021-07-05 08:57:50,876 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 08:57:50,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:50,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 08:57:50,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 08:57:50,876 INFO L87 Difference]: Start difference. First operand has 32 states, 25 states have (on average 1.6) internal successors, (40), 31 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:50,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:50,877 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2021-07-05 08:57:50,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 08:57:50,877 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-07-05 08:57:50,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:50,877 INFO L225 Difference]: With dead ends: 62 [2021-07-05 08:57:50,877 INFO L226 Difference]: Without dead ends: 16 [2021-07-05 08:57:50,878 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 08:57:50,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-07-05 08:57:50,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-07-05 08:57:50,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 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) [2021-07-05 08:57:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2021-07-05 08:57:50,879 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8 [2021-07-05 08:57:50,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:50,879 INFO L442 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2021-07-05 08:57:50,879 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-07-05 08:57:50,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-07-05 08:57:50,879 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:50,879 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:50,879 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-07-05 08:57:50,879 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:50,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:50,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1248817364, now seen corresponding path program 1 times [2021-07-05 08:57:50,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:50,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488292903] [2021-07-05 08:57:50,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:50,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:50,883 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:50,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1876507497] [2021-07-05 08:57:50,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:50,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:50,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:50,889 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:50,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-07-05 08:57:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:50,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-05 08:57:50,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:50,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:50,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:50,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:50,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:50,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:50,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:50,926 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-07-05 08:57:50,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:50,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:50,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:50,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:50,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488292903] [2021-07-05 08:57:50,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:50,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876507497] [2021-07-05 08:57:50,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876507497] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:50,932 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:50,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 08:57:50,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623207605] [2021-07-05 08:57:50,932 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 08:57:50,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:50,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 08:57:50,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 08:57:50,933 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:50,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:50,939 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2021-07-05 08:57:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 08:57:50,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-07-05 08:57:50,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:50,939 INFO L225 Difference]: With dead ends: 24 [2021-07-05 08:57:50,939 INFO L226 Difference]: Without dead ends: 18 [2021-07-05 08:57:50,940 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 08:57:50,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-07-05 08:57:50,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-07-05 08:57:50,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:50,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-07-05 08:57:50,941 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 9 [2021-07-05 08:57:50,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:50,941 INFO L442 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-07-05 08:57:50,941 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:50,941 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-07-05 08:57:50,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-07-05 08:57:50,941 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:50,941 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:50,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:51,144 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-07-05 08:57:51,145 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:51,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:51,145 INFO L82 PathProgramCache]: Analyzing trace with hash -589302393, now seen corresponding path program 1 times [2021-07-05 08:57:51,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:51,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133952422] [2021-07-05 08:57:51,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:51,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:51,149 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:51,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1857938089] [2021-07-05 08:57:51,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:51,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:51,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:51,150 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:51,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-07-05 08:57:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:51,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 08:57:51,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:51,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 08:57:51,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:51,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-05 08:57:51,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-05 08:57:51,201 INFO L142 QuantifierPusher]: treesize reduction 17, result has 51.4 percent of original size [2021-07-05 08:57:51,201 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-07-05 08:57:51,202 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-07-05 08:57:51,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-05 08:57:51,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:51,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-05 08:57:51,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 08:57:51,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,230 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 08:57:51,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:51,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:51,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133952422] [2021-07-05 08:57:51,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:51,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857938089] [2021-07-05 08:57:51,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857938089] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:51,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:51,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 08:57:51,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115453115] [2021-07-05 08:57:51,240 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 08:57:51,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:51,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 08:57:51,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 08:57:51,241 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:51,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:51,358 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2021-07-05 08:57:51,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 08:57:51,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-07-05 08:57:51,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:51,359 INFO L225 Difference]: With dead ends: 27 [2021-07-05 08:57:51,359 INFO L226 Difference]: Without dead ends: 21 [2021-07-05 08:57:51,360 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.5ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-05 08:57:51,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-07-05 08:57:51,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2021-07-05 08:57:51,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 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) [2021-07-05 08:57:51,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2021-07-05 08:57:51,361 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 15 [2021-07-05 08:57:51,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:51,362 INFO L442 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2021-07-05 08:57:51,362 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:51,362 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2021-07-05 08:57:51,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-07-05 08:57:51,362 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:51,362 INFO L525 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:51,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:51,564 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-07-05 08:57:51,565 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:51,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:51,565 INFO L82 PathProgramCache]: Analyzing trace with hash 460813570, now seen corresponding path program 1 times [2021-07-05 08:57:51,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:51,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660674075] [2021-07-05 08:57:51,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:51,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:51,569 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:51,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [268779907] [2021-07-05 08:57:51,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:51,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:51,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:51,573 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:51,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-07-05 08:57:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:51,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-05 08:57:51,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:51,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:51,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:51,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:51,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:51,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:51,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:51,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:51,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 08:57:51,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:51,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:51,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:51,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:51,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:51,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:51,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:51,648 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-07-05 08:57:51,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:51,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:51,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660674075] [2021-07-05 08:57:51,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:51,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268779907] [2021-07-05 08:57:51,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268779907] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 08:57:51,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 08:57:51,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-07-05 08:57:51,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621383210] [2021-07-05 08:57:51,657 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 08:57:51,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:51,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 08:57:51,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-05 08:57:51,657 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-07-05 08:57:51,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:51,671 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2021-07-05 08:57:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 08:57:51,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-07-05 08:57:51,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:51,674 INFO L225 Difference]: With dead ends: 32 [2021-07-05 08:57:51,674 INFO L226 Difference]: Without dead ends: 26 [2021-07-05 08:57:51,675 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-05 08:57:51,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-07-05 08:57:51,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-07-05 08:57:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 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) [2021-07-05 08:57:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2021-07-05 08:57:51,683 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 17 [2021-07-05 08:57:51,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:51,684 INFO L442 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2021-07-05 08:57:51,684 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-07-05 08:57:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2021-07-05 08:57:51,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-07-05 08:57:51,684 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:51,684 INFO L525 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:51,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-07-05 08:57:51,889 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-05 08:57:51,889 INFO L374 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:51,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:51,889 INFO L82 PathProgramCache]: Analyzing trace with hash 445082416, now seen corresponding path program 2 times [2021-07-05 08:57:51,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:51,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222799558] [2021-07-05 08:57:51,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:51,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:51,893 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:51,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1379368837] [2021-07-05 08:57:51,893 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-07-05 08:57:51,894 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:51,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:51,896 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:51,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-07-05 08:57:51,939 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-05 08:57:51,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 08:57:51,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-05 08:57:51,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:51,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:51,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,978 INFO L142 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result has 100.0 percent of original size [2021-07-05 08:57:51,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 08:57:51,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 08:57:51,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 08:57:51,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 08:57:51,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 08:57:51,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:51,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:51,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:51,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:51,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:51,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:51,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:51,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:51,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:51,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 08:57:52,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 08:57:52,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:52,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:52,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:52,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:52,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:52,041 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 08:57:52,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:52,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:52,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222799558] [2021-07-05 08:57:52,044 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:52,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379368837] [2021-07-05 08:57:52,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379368837] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 08:57:52,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 08:57:52,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-07-05 08:57:52,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482151470] [2021-07-05 08:57:52,047 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 08:57:52,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:52,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 08:57:52,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-05 08:57:52,047 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-07-05 08:57:52,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:52,121 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2021-07-05 08:57:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-05 08:57:52,121 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-07-05 08:57:52,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:52,122 INFO L225 Difference]: With dead ends: 46 [2021-07-05 08:57:52,122 INFO L226 Difference]: Without dead ends: 40 [2021-07-05 08:57:52,122 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 35.4ms TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-05 08:57:52,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-07-05 08:57:52,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2021-07-05 08:57:52,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.0303030303030303) internal successors, (34), 33 states have internal predecessors, (34), 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) [2021-07-05 08:57:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2021-07-05 08:57:52,135 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 25 [2021-07-05 08:57:52,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:52,135 INFO L442 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2021-07-05 08:57:52,135 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-07-05 08:57:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2021-07-05 08:57:52,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-05 08:57:52,137 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:52,137 INFO L525 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:52,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:52,348 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-05 08:57:52,349 INFO L374 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:52,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:52,349 INFO L82 PathProgramCache]: Analyzing trace with hash 26039134, now seen corresponding path program 3 times [2021-07-05 08:57:52,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:52,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984125652] [2021-07-05 08:57:52,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:52,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:52,353 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:52,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1525906010] [2021-07-05 08:57:52,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-07-05 08:57:52,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:52,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:52,354 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:52,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-07-05 08:57:52,398 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-05 08:57:52,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 08:57:52,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-05 08:57:52,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:52,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 08:57:52,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 08:57:52,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-05 08:57:52,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-05 08:57:52,452 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-05 08:57:52,453 INFO L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-07-05 08:57:52,454 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-07-05 08:57:52,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 08:57:52,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 08:57:52,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 08:57:52,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 08:57:52,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:52,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-05 08:57:52,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:52,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-05 08:57:52,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 08:57:52,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,473 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-05 08:57:52,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:52,475 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:52,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:52,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-05 08:57:52,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-05 08:57:52,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:52,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-05 08:57:52,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-05 08:57:52,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:52,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-05 08:57:52,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-05 08:57:52,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:52,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-05 08:57:52,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-05 08:57:52,521 INFO L142 QuantifierPusher]: treesize reduction 28, result has 44.0 percent of original size [2021-07-05 08:57:52,522 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size 18 [2021-07-05 08:57:52,524 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-07-05 08:57:52,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:52,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:52,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 08:57:52,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-05 08:57:52,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:52,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-05 08:57:52,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 08:57:52,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:52,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:52,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:52,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:52,556 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 08:57:52,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:52,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-07-05 08:57:52,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:52,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984125652] [2021-07-05 08:57:52,560 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:52,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525906010] [2021-07-05 08:57:52,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525906010] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:52,560 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:52,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-05 08:57:52,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602140429] [2021-07-05 08:57:52,561 INFO L425 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-05 08:57:52,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:52,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-05 08:57:52,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-05 08:57:52,562 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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) [2021-07-05 08:57:55,677 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2021-07-05 08:57:55,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:55,812 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2021-07-05 08:57:55,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-05 08:57:55,813 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-07-05 08:57:55,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:55,813 INFO L225 Difference]: With dead ends: 34 [2021-07-05 08:57:55,813 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 08:57:55,813 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3261.6ms TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-07-05 08:57:55,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 08:57:55,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 08:57:55,813 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) [2021-07-05 08:57:55,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 08:57:55,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-07-05 08:57:55,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:55,814 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 08:57:55,814 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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) [2021-07-05 08:57:55,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 08:57:55,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 08:57:55,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 08:57:55,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:55,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:55,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:55,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:55,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:55,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:55,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:55,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:55,894 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:55,894 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:55,894 INFO L758 garLoopResultBuilder]: At program point L48(lines 21 49) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:55,894 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 08:57:55,894 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:55,894 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 08:57:55,894 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 08:57:55,894 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:55,894 INFO L762 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L758 garLoopResultBuilder]: At program point L12-2(lines 11 17) the Hoare annotation is: (let ((.cse0 (* 4 ULTIMATE.start_main_~s~0)) (.cse2 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse3 (= ULTIMATE.start_main_~a~0 0)) (.cse4 (<= 1 ~counter~0)) (.cse5 (= ULTIMATE.start_main_~t~0 1)) (.cse1 (<= 2 ~counter~0))) (and (= (+ (* 4 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~a~0)) (* 8 ULTIMATE.start_main_~a~0) 4) .cse0) (or (and (= ULTIMATE.start_main_~s~0 4) (= ULTIMATE.start_main_~a~0 1) .cse1) (and .cse2 (= ULTIMATE.start_main_~s~0 1) .cse3 .cse4 .cse5)) (= ULTIMATE.start_main_~s~0 (let ((.cse6 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse6) (* .cse6 .cse6) 1))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= .cse0 (+ (* ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~t~0) (* 2 ULTIMATE.start_main_~t~0) 1)) (= (+ (* 2 ULTIMATE.start_main_~a~0) 1) ULTIMATE.start_main_~t~0) (or (and .cse2 .cse3 .cse4 .cse5) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) .cse1)))) [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point L12-3(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L758 garLoopResultBuilder]: At program point L12-5(lines 11 17) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~a~0 0)) (.cse2 (<= 1 ~counter~0)) (.cse3 (= ULTIMATE.start_main_~t~0 1)) (.cse4 (<= 2 ~counter~0)) (.cse6 (* 2 ULTIMATE.start_main_~a~0))) (and (let ((.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4))) (= ULTIMATE.start_main_~s~0 (let ((.cse5 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse5) (* .cse5 .cse5) 1))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 1) .cse0 .cse2 .cse3) .cse4) (= (* 4 ULTIMATE.start_main_~s~0) (+ (* ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~t~0) (* 2 ULTIMATE.start_main_~t~0) 1)) (= ULTIMATE.start_main_~s~0 (+ .cse6 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~a~0) 1)) (= (+ .cse6 1) ULTIMATE.start_main_~t~0))) [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point L12-6(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L758 garLoopResultBuilder]: At program point L12-8(lines 36 37) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~a~0 0)) (.cse2 (<= 1 ~counter~0)) (.cse3 (= ULTIMATE.start_main_~t~0 1)) (.cse4 (<= 2 ~counter~0)) (.cse6 (* 2 ULTIMATE.start_main_~a~0))) (and (let ((.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4))) (= ULTIMATE.start_main_~s~0 (let ((.cse5 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse5) (* .cse5 .cse5) 1))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 1) .cse0 .cse2 .cse3) .cse4) (= (* 4 ULTIMATE.start_main_~s~0) (+ (* ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~t~0) (* 2 ULTIMATE.start_main_~t~0) 1)) (= ULTIMATE.start_main_~s~0 (+ .cse6 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~a~0) 1)) (= (+ .cse6 1) ULTIMATE.start_main_~t~0))) [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point L12-9(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L758 garLoopResultBuilder]: At program point L12-11(lines 11 17) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (= ULTIMATE.start_main_~s~0 (+ (* 2 ULTIMATE.start_main_~a~0) (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~a~0) 1))) [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point L12-12(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L758 garLoopResultBuilder]: At program point L12-14(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point L12-15(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L758 garLoopResultBuilder]: At program point L12-17(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point L13-1(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point L13-2(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point L13-3(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point L13-4(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point L13-5(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:55,895 INFO L762 garLoopResultBuilder]: For program point L30-1(lines 30 42) no Hoare annotation was computed. [2021-07-05 08:57:55,896 INFO L758 garLoopResultBuilder]: At program point L30-3(lines 30 42) the Hoare annotation is: (let ((.cse11 (* 2 ULTIMATE.start_main_~a~0))) (let ((.cse1 (<= 0 ~counter~0)) (.cse5 (<= 2 ~counter~0)) (.cse3 (= ULTIMATE.start_main_~a~0 1)) (.cse4 (<= 1 ~counter~0)) (.cse6 (= (+ .cse11 1) ULTIMATE.start_main_~t~0)) (.cse0 (= ULTIMATE.start_main_~a~0 0)) (.cse2 (= ULTIMATE.start_main_~t~0 1)) (.cse9 (= 1 ULTIMATE.start___VERIFIER_assert_~cond))) (and (or (and (= ULTIMATE.start_main_~s~0 1) .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 4) .cse3 .cse4) .cse5) (let ((.cse7 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse1 .cse6 .cse2) (and .cse7 .cse5) (and (= ULTIMATE.start_main_~t~0 3) .cse3 .cse7 .cse4))) (let ((.cse8 (= ULTIMATE.start_main_~s~0 (let ((.cse10 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse10) (* .cse10 .cse10) 1))))) (or (and .cse8 .cse9 .cse6) (and .cse8 .cse6 .cse2))) .cse6 (or (and .cse0 (<= ~counter~0 0) (= ULTIMATE.start_main_~s~0 (+ .cse11 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~a~0) 1)) .cse2) (and .cse9 (= (* 4 ULTIMATE.start_main_~s~0) (+ (* ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~t~0) (* 2 ULTIMATE.start_main_~t~0) 1))))))) [2021-07-05 08:57:55,896 INFO L762 garLoopResultBuilder]: For program point L30-4(lines 30 42) no Hoare annotation was computed. [2021-07-05 08:57:55,896 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:55,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:56,105 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:56,105 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 08:57:56,105 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION was SAFE (5/6) [2021-07-05 08:57:56,106 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 08:57:56,106 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 08:57:56,106 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 08:57:56,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 25 states have (on average 1.6) internal successors, (40), 31 states have internal predecessors, (40), 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) [2021-07-05 08:57:56,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-07-05 08:57:56,107 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:56,107 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:56,107 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:56,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:56,107 INFO L82 PathProgramCache]: Analyzing trace with hash -827121203, now seen corresponding path program 1 times [2021-07-05 08:57:56,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:56,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521701068] [2021-07-05 08:57:56,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:56,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:56,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:56,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:56,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521701068] [2021-07-05 08:57:56,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521701068] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:56,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:56,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 08:57:56,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184756081] [2021-07-05 08:57:56,119 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 08:57:56,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:56,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 08:57:56,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 08:57:56,119 INFO L87 Difference]: Start difference. First operand has 32 states, 25 states have (on average 1.6) internal successors, (40), 31 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-07-05 08:57:56,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:56,120 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2021-07-05 08:57:56,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 08:57:56,120 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-07-05 08:57:56,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:56,121 INFO L225 Difference]: With dead ends: 62 [2021-07-05 08:57:56,121 INFO L226 Difference]: Without dead ends: 18 [2021-07-05 08:57:56,121 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 08:57:56,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-07-05 08:57:56,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-07-05 08:57:56,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 08:57:56,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-07-05 08:57:56,122 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 10 [2021-07-05 08:57:56,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:56,122 INFO L442 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-07-05 08:57:56,122 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-07-05 08:57:56,122 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-07-05 08:57:56,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-07-05 08:57:56,123 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:56,123 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:56,123 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-07-05 08:57:56,123 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:56,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:56,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1817768439, now seen corresponding path program 1 times [2021-07-05 08:57:56,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:56,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585721941] [2021-07-05 08:57:56,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:56,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:56,127 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:56,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1148186711] [2021-07-05 08:57:56,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:56,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:56,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:56,128 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:56,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-07-05 08:57:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:56,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-05 08:57:56,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:56,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:56,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:56,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:56,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:56,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:56,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:56,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:56,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:56,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:56,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:56,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:56,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:56,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 08:57:56,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 08:57:56,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:56,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:56,171 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-07-05 08:57:56,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:56,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:56,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585721941] [2021-07-05 08:57:56,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:56,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148186711] [2021-07-05 08:57:56,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148186711] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:56,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:56,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 08:57:56,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105246592] [2021-07-05 08:57:56,180 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 08:57:56,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:56,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 08:57:56,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 08:57:56,180 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-07-05 08:57:56,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:56,186 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2021-07-05 08:57:56,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 08:57:56,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-07-05 08:57:56,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:56,186 INFO L225 Difference]: With dead ends: 28 [2021-07-05 08:57:56,186 INFO L226 Difference]: Without dead ends: 20 [2021-07-05 08:57:56,186 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 08:57:56,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-07-05 08:57:56,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-07-05 08:57:56,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 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) [2021-07-05 08:57:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2021-07-05 08:57:56,187 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 11 [2021-07-05 08:57:56,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:56,187 INFO L442 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-07-05 08:57:56,187 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-07-05 08:57:56,187 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-07-05 08:57:56,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-07-05 08:57:56,188 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 08:57:56,188 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 08:57:56,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:56,400 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:56,401 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 08:57:56,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 08:57:56,401 INFO L82 PathProgramCache]: Analyzing trace with hash 616240618, now seen corresponding path program 1 times [2021-07-05 08:57:56,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 08:57:56,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572788421] [2021-07-05 08:57:56,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:56,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 08:57:56,405 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 08:57:56,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831085195] [2021-07-05 08:57:56,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 08:57:56,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:56,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 08:57:56,409 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 08:57:56,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-07-05 08:57:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 08:57:56,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 08:57:56,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 08:57:56,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 08:57:56,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 08:57:56,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-05 08:57:56,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-05 08:57:56,474 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-07-05 08:57:56,475 INFO L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-07-05 08:57:56,475 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-07-05 08:57:56,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 08:57:56,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-05 08:57:56,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 08:57:56,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-05 08:57:56,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-05 08:57:56,495 INFO L142 QuantifierPusher]: treesize reduction 33, result has 34.0 percent of original size [2021-07-05 08:57:56,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:56,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 08:57:56,502 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 08:57:56,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 08:57:56,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 08:57:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 08:57:56,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 08:57:56,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572788421] [2021-07-05 08:57:56,505 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 08:57:56,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831085195] [2021-07-05 08:57:56,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831085195] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 08:57:56,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 08:57:56,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 08:57:56,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657357633] [2021-07-05 08:57:56,505 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 08:57:56,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 08:57:56,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 08:57:56,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 08:57:56,506 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2021-07-05 08:57:56,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 08:57:56,549 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2021-07-05 08:57:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 08:57:56,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-07-05 08:57:56,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 08:57:56,549 INFO L225 Difference]: With dead ends: 20 [2021-07-05 08:57:56,549 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 08:57:56,550 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.5ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-05 08:57:56,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 08:57:56,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 08:57:56,550 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) [2021-07-05 08:57:56,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 08:57:56,550 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-07-05 08:57:56,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 08:57:56,550 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 08:57:56,550 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2021-07-05 08:57:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 08:57:56,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 08:57:56,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 08:57:56,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:56,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:56,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:56,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:56,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:56,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:56,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:56,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 08:57:56,585 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:56,585 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L758 garLoopResultBuilder]: At program point L48(lines 21 49) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L758 garLoopResultBuilder]: At program point L12-2(lines 11 17) the Hoare annotation is: (let ((.cse0 (* 4 ULTIMATE.start_main_~s~0)) (.cse2 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse3 (= ULTIMATE.start_main_~a~0 0)) (.cse4 (<= 1 ~counter~0)) (.cse5 (= ULTIMATE.start_main_~t~0 1)) (.cse1 (<= 2 ~counter~0))) (and (= (+ (* 4 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~a~0)) (* 8 ULTIMATE.start_main_~a~0) 4) .cse0) (or (and (= ULTIMATE.start_main_~s~0 4) (= ULTIMATE.start_main_~a~0 1) .cse1) (and .cse2 (= ULTIMATE.start_main_~s~0 1) .cse3 .cse4 .cse5)) (= ULTIMATE.start_main_~s~0 (let ((.cse6 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse6) (* .cse6 .cse6) 1))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= .cse0 (+ (* ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~t~0) (* 2 ULTIMATE.start_main_~t~0) 1)) (= (+ (* 2 ULTIMATE.start_main_~a~0) 1) ULTIMATE.start_main_~t~0) (or (and .cse2 .cse3 .cse4 .cse5) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) .cse1)))) [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point L12-3(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L758 garLoopResultBuilder]: At program point L12-5(lines 11 17) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~a~0 0)) (.cse2 (<= 1 ~counter~0)) (.cse3 (= ULTIMATE.start_main_~t~0 1)) (.cse4 (<= 2 ~counter~0)) (.cse6 (* 2 ULTIMATE.start_main_~a~0))) (and (let ((.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4))) (= ULTIMATE.start_main_~s~0 (let ((.cse5 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse5) (* .cse5 .cse5) 1))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 1) .cse0 .cse2 .cse3) .cse4) (= (* 4 ULTIMATE.start_main_~s~0) (+ (* ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~t~0) (* 2 ULTIMATE.start_main_~t~0) 1)) (= ULTIMATE.start_main_~s~0 (+ .cse6 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~a~0) 1)) (= (+ .cse6 1) ULTIMATE.start_main_~t~0))) [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point L12-6(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L758 garLoopResultBuilder]: At program point L12-8(lines 36 37) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~a~0 0)) (.cse2 (<= 1 ~counter~0)) (.cse3 (= ULTIMATE.start_main_~t~0 1)) (.cse4 (<= 2 ~counter~0)) (.cse6 (* 2 ULTIMATE.start_main_~a~0))) (and (let ((.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4))) (= ULTIMATE.start_main_~s~0 (let ((.cse5 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse5) (* .cse5 .cse5) 1))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 1) .cse0 .cse2 .cse3) .cse4) (= (* 4 ULTIMATE.start_main_~s~0) (+ (* ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~t~0) (* 2 ULTIMATE.start_main_~t~0) 1)) (= ULTIMATE.start_main_~s~0 (+ .cse6 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~a~0) 1)) (= (+ .cse6 1) ULTIMATE.start_main_~t~0))) [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point L12-9(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L758 garLoopResultBuilder]: At program point L12-11(lines 11 17) the Hoare annotation is: (and (= (* 4 ULTIMATE.start_main_~s~0) (+ (* ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~t~0) (* 2 ULTIMATE.start_main_~t~0) 1)) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (= ULTIMATE.start_main_~s~0 (+ (* 2 ULTIMATE.start_main_~a~0) (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~a~0) 1))) [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point L12-12(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L758 garLoopResultBuilder]: At program point L12-14(lines 11 17) the Hoare annotation is: (and (= (* 4 ULTIMATE.start_main_~s~0) (+ (* ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~t~0) (* 2 ULTIMATE.start_main_~t~0) 1)) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point L12-15(lines 12 15) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L758 garLoopResultBuilder]: At program point L12-17(lines 11 17) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point L13-1(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point L13-2(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:56,586 INFO L762 garLoopResultBuilder]: For program point L13-3(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:56,587 INFO L762 garLoopResultBuilder]: For program point L13-4(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:56,587 INFO L762 garLoopResultBuilder]: For program point L13-5(lines 13 14) no Hoare annotation was computed. [2021-07-05 08:57:56,587 INFO L762 garLoopResultBuilder]: For program point L30-1(lines 30 42) no Hoare annotation was computed. [2021-07-05 08:57:56,587 INFO L758 garLoopResultBuilder]: At program point L30-3(lines 30 42) the Hoare annotation is: (let ((.cse12 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse9 (= (* 4 ULTIMATE.start_main_~s~0) (+ (* ULTIMATE.start_main_~t~0 ULTIMATE.start_main_~t~0) (* 2 ULTIMATE.start_main_~t~0) 1))) (.cse14 (* 2 ULTIMATE.start_main_~a~0))) (let ((.cse1 (<= 0 ~counter~0)) (.cse5 (<= 2 ~counter~0)) (.cse3 (= ULTIMATE.start_main_~a~0 1)) (.cse4 (<= 1 ~counter~0)) (.cse6 (= (+ .cse14 1) ULTIMATE.start_main_~t~0)) (.cse0 (= ULTIMATE.start_main_~a~0 0)) (.cse8 (<= ~counter~0 0)) (.cse2 (= ULTIMATE.start_main_~t~0 1)) (.cse10 (and .cse12 .cse9))) (and (or (and (= ULTIMATE.start_main_~s~0 1) .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~s~0 4) .cse3 .cse4) .cse5) (let ((.cse7 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse1 .cse6 .cse2) (and .cse7 .cse5) (and (= ULTIMATE.start_main_~t~0 3) .cse3 .cse7 .cse4))) (or (and .cse8 .cse9) .cse10) (let ((.cse11 (= ULTIMATE.start_main_~s~0 (let ((.cse13 (div (+ (- 1) ULTIMATE.start_main_~t~0) 2))) (+ (* 2 .cse13) (* .cse13 .cse13) 1))))) (or (and .cse11 .cse12 .cse6) (and .cse11 .cse6 .cse2))) .cse6 (or (and .cse0 .cse8 (= ULTIMATE.start_main_~s~0 (+ .cse14 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~a~0) 1)) .cse2) .cse10)))) [2021-07-05 08:57:56,587 INFO L762 garLoopResultBuilder]: For program point L30-4(lines 30 42) no Hoare annotation was computed. [2021-07-05 08:57:56,587 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 08:57:56,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-07-05 08:57:56,787 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 08:57:56,787 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 08:57:56,787 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION was SAFE (6/6) [2021-07-05 08:57:56,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 08:57:56 BoogieIcfgContainer [2021-07-05 08:57:56,805 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 08:57:56,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 08:57:56,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 08:57:56,805 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 08:57:56,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 08:57:37" (3/4) ... [2021-07-05 08:57:56,808 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 08:57:56,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-07-05 08:57:56,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-07-05 08:57:56,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 08:57:56,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 08:57:56,841 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 08:57:56,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 08:57:56,842 INFO L168 Benchmark]: Toolchain (without parser) took 19641.87 ms. Allocated memory was 58.7 MB in the beginning and 92.3 MB in the end (delta: 33.6 MB). Free memory was 38.0 MB in the beginning and 73.0 MB in the end (delta: -35.0 MB). Peak memory consumption was 49.9 MB. Max. memory is 16.1 GB. [2021-07-05 08:57:56,842 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 58.7 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 08:57:56,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 124.52 ms. Allocated memory is still 58.7 MB. Free memory was 37.8 MB in the beginning and 28.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-07-05 08:57:56,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.73 ms. Allocated memory is still 58.7 MB. Free memory was 28.0 MB in the beginning and 42.2 MB in the end (delta: -14.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 08:57:56,842 INFO L168 Benchmark]: Boogie Preprocessor took 31.30 ms. Allocated memory is still 58.7 MB. Free memory was 42.2 MB in the beginning and 41.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 08:57:56,843 INFO L168 Benchmark]: RCFGBuilder took 309.06 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 41.0 MB in the beginning and 58.7 MB in the end (delta: -17.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-07-05 08:57:56,843 INFO L168 Benchmark]: TraceAbstraction took 19090.78 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 58.1 MB in the beginning and 23.0 MB in the end (delta: 35.1 MB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. [2021-07-05 08:57:56,843 INFO L168 Benchmark]: Witness Printer took 36.46 ms. Allocated memory is still 92.3 MB. Free memory was 23.0 MB in the beginning and 73.0 MB in the end (delta: -50.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 08:57:56,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 58.7 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 124.52 ms. Allocated memory is still 58.7 MB. Free memory was 37.8 MB in the beginning and 28.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.73 ms. Allocated memory is still 58.7 MB. Free memory was 28.0 MB in the beginning and 42.2 MB in the end (delta: -14.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.30 ms. Allocated memory is still 58.7 MB. Free memory was 42.2 MB in the beginning and 41.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 309.06 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 41.0 MB in the beginning and 58.7 MB in the end (delta: -17.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19090.78 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 58.1 MB in the beginning and 23.0 MB in the end (delta: 35.1 MB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. * Witness Printer took 36.46 ms. Allocated memory is still 92.3 MB. Free memory was 23.0 MB in the beginning and 73.0 MB in the end (delta: -50.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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 - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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 for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1330.7ms, OverallIterations: 3, TraceHistogramMax: 3, EmptinessCheckTime: 6.4ms, AutomataDifference: 179.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 104.3ms, InitialAbstractionConstructionTime: 8.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 53 SDtfs, 48 SDslu, 73 SDs, 0 SdLazy, 74 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 70.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 61.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 19.9ms AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 25 NumberOfFragments, 121 HoareAnnotationTreeSize, 8 FomulaSimplifications, 270 FormulaSimplificationTreeSizeReduction, 26.9ms HoareSimplificationTime, 8 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 72.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 18.7ms SsaConstructionTime, 83.8ms SatisfiabilityAnalysisTime, 295.3ms InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 5 NumberOfNonLiveVariables, 191 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 12/17 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1228.3ms, OverallIterations: 3, TraceHistogramMax: 3, EmptinessCheckTime: 1.5ms, AutomataDifference: 125.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 85.9ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 47 SDtfs, 38 SDslu, 72 SDs, 0 SdLazy, 82 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 55.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 8.4ms AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 25 NumberOfFragments, 101 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 21.1ms HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 63.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 20.2ms SsaConstructionTime, 35.1ms SatisfiabilityAnalysisTime, 218.2ms InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 9 NumberOfNonLiveVariables, 261 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 16/23 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 10137.4ms, OverallIterations: 3, TraceHistogramMax: 3, EmptinessCheckTime: 1.1ms, AutomataDifference: 8983.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 66.9ms, InitialAbstractionConstructionTime: 0.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 40 SDtfs, 55 SDslu, 66 SDs, 0 SdLazy, 83 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8842.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 152.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 3.7ms AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 27 NumberOfFragments, 170 HoareAnnotationTreeSize, 8 FomulaSimplifications, 249 FormulaSimplificationTreeSizeReduction, 16.5ms HoareSimplificationTime, 8 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 49.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 13.2ms SsaConstructionTime, 51.2ms SatisfiabilityAnalysisTime, 310.4ms InterpolantComputationTime, 54 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 308 SizeOfPredicates, 14 NumberOfNonLiveVariables, 222 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 22/29 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 398.5ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 1.0ms, AutomataDifference: 44.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 12.5ms, InitialAbstractionConstructionTime: 0.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 53 SDtfs, 6 SDslu, 32 SDs, 0 SdLazy, 25 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2.7ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 17 NumberOfFragments, 36 HoareAnnotationTreeSize, 8 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 3.8ms HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 8.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3.7ms SsaConstructionTime, 12.8ms SatisfiabilityAnalysisTime, 62.1ms InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 SizeOfPredicates, 5 NumberOfNonLiveVariables, 71 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 5237.8ms, OverallIterations: 6, TraceHistogramMax: 4, EmptinessCheckTime: 3.2ms, AutomataDifference: 3473.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 80.0ms, InitialAbstractionConstructionTime: 0.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 86 SDtfs, 49 SDslu, 113 SDs, 0 SdLazy, 155 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 177.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3336.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=5, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 24.8ms AutomataMinimizationTime, 6 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 27 NumberOfFragments, 132 HoareAnnotationTreeSize, 8 FomulaSimplifications, 414 FormulaSimplificationTreeSizeReduction, 11.9ms HoareSimplificationTime, 8 FomulaSimplificationsInter, 95 FormulaSimplificationTreeSizeReductionInter, 67.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 20.4ms SsaConstructionTime, 61.3ms SatisfiabilityAnalysisTime, 402.9ms InterpolantComputationTime, 107 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 101 ConstructedInterpolants, 1 QuantifiedInterpolants, 542 SizeOfPredicates, 18 NumberOfNonLiveVariables, 424 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 30/44 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 32 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 681.6ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 0.8ms, AutomataDifference: 53.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 34.9ms, InitialAbstractionConstructionTime: 0.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 59 SDtfs, 16 SDslu, 36 SDs, 0 SdLazy, 37 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1.8ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 17 NumberOfFragments, 99 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 3.9ms HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 30.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 6.8ms SsaConstructionTime, 16.6ms SatisfiabilityAnalysisTime, 90.9ms InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 5 NumberOfNonLiveVariables, 146 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 6 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((((4 * (a * a) + 8 * a + 4 == 4 * s && (((s == 4 && a == 1) && 2 <= counter) || ((((1 <= cond && s == 1) && a == 0) && 1 <= counter) && t == 1))) && s == 2 * ((-1 + t) / 2) + (-1 + t) / 2 * ((-1 + t) / 2) + 1) && 1 == cond) && 4 * s == t * t + 2 * t + 1) && 2 * a + 1 == t) && ((((1 <= cond && a == 0) && 1 <= counter) && t == 1) || (!(0 == cond) && 2 <= counter)) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: !(0 == cond) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: !(0 == cond) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((s == 1 && a == 0) && 0 <= counter) && t == 1) || (((1 <= cond && s == 4) && a == 1) && 1 <= counter)) || 2 <= counter) && ((((0 <= counter && 2 * a + 1 == t) && t == 1) || (!(0 == cond) && 2 <= counter)) || (((t == 3 && a == 1) && !(0 == cond)) && 1 <= counter))) && ((counter <= 0 && 4 * s == t * t + 2 * t + 1) || (1 == cond && 4 * s == t * t + 2 * t + 1))) && (((s == 2 * ((-1 + t) / 2) + (-1 + t) / 2 * ((-1 + t) / 2) + 1 && 1 == cond) && 2 * a + 1 == t) || ((s == 2 * ((-1 + t) / 2) + (-1 + t) / 2 * ((-1 + t) / 2) + 1 && 2 * a + 1 == t) && t == 1))) && 2 * a + 1 == t) && ((((a == 0 && counter <= 0) && s == 2 * a + a * a + 1) && t == 1) || (1 == cond && 4 * s == t * t + 2 * t + 1)) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (4 * s == t * t + 2 * t + 1 && !(0 == cond)) && s == 2 * a + a * a + 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: (((((((((a == 0 && !(0 == cond)) && 1 <= counter) && t == 1) || (!(0 == cond) && 2 <= counter)) && s == 2 * ((-1 + t) / 2) + (-1 + t) / 2 * ((-1 + t) / 2) + 1) && 1 == cond) && (((((1 <= cond && s == 1) && a == 0) && 1 <= counter) && t == 1) || 2 <= counter)) && 4 * s == t * t + 2 * t + 1) && s == 2 * a + a * a + 1) && 2 * a + 1 == t - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 4 * s == t * t + 2 * t + 1 && !(0 == cond) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((((a == 0 && !(0 == cond)) && 1 <= counter) && t == 1) || (!(0 == cond) && 2 <= counter)) && s == 2 * ((-1 + t) / 2) + (-1 + t) / 2 * ((-1 + t) / 2) + 1) && 1 == cond) && (((((1 <= cond && s == 1) && a == 0) && 1 <= counter) && t == 1) || 2 <= counter)) && 4 * s == t * t + 2 * t + 1) && s == 2 * a + a * a + 1) && 2 * a + 1 == t RESULT: Ultimate proved your program to be correct! [2021-07-05 08:57:56,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...