./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.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/geo3-ll_unwindbound10.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 9d07eaa54010553b30999bd4904fe59a5fb610a7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:45:06,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 06:45:06,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 06:45:06,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 06:45:06,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 06:45:06,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 06:45:06,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 06:45:06,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 06:45:06,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 06:45:06,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 06:45:06,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 06:45:06,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 06:45:06,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 06:45:06,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 06:45:06,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 06:45:06,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 06:45:06,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 06:45:06,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 06:45:06,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 06:45:06,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 06:45:06,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 06:45:06,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 06:45:06,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 06:45:06,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 06:45:06,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 06:45:06,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 06:45:06,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 06:45:06,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 06:45:06,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 06:45:06,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 06:45:06,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 06:45:06,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 06:45:06,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 06:45:06,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 06:45:06,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 06:45:06,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 06:45:06,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 06:45:06,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 06:45:06,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 06:45:06,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 06:45:06,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 06:45:06,356 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 06:45:06,382 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 06:45:06,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 06:45:06,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 06:45:06,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 06:45:06,384 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 06:45:06,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 06:45:06,385 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 06:45:06,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 06:45:06,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 06:45:06,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 06:45:06,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 06:45:06,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 06:45:06,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 06:45:06,386 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 06:45:06,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 06:45:06,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 06:45:06,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 06:45:06,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 06:45:06,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 06:45:06,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 06:45:06,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 06:45:06,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 06:45:06,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 06:45:06,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 06:45:06,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 06:45:06,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 06:45:06,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 06:45:06,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 06:45:06,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d07eaa54010553b30999bd4904fe59a5fb610a7 [2021-07-05 06:45:06,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 06:45:06,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 06:45:06,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 06:45:06,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 06:45:06,627 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 06:45:06,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c [2021-07-05 06:45:06,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a80dd8884/433aee8b9401413e9808c143460179c6/FLAGe94258ba2 [2021-07-05 06:45:07,031 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 06:45:07,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c [2021-07-05 06:45:07,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a80dd8884/433aee8b9401413e9808c143460179c6/FLAGe94258ba2 [2021-07-05 06:45:07,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a80dd8884/433aee8b9401413e9808c143460179c6 [2021-07-05 06:45:07,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 06:45:07,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 06:45:07,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 06:45:07,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 06:45:07,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 06:45:07,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 06:45:07" (1/1) ... [2021-07-05 06:45:07,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@117a5f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:45:07, skipping insertion in model container [2021-07-05 06:45:07,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 06:45:07" (1/1) ... [2021-07-05 06:45:07,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 06:45:07,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 06:45:07,604 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/geo3-ll_unwindbound10.c[525,538] [2021-07-05 06:45:07,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 06:45:07,623 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 06:45:07,631 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/geo3-ll_unwindbound10.c[525,538] [2021-07-05 06:45:07,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 06:45:07,657 INFO L208 MainTranslator]: Completed translation [2021-07-05 06:45:07,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:45:07 WrapperNode [2021-07-05 06:45:07,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 06:45:07,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 06:45:07,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 06:45:07,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 06:45:07,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:45:07" (1/1) ... [2021-07-05 06:45:07,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:45:07" (1/1) ... [2021-07-05 06:45:07,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 06:45:07,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 06:45:07,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 06:45:07,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 06:45:07,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:45:07" (1/1) ... [2021-07-05 06:45:07,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:45:07" (1/1) ... [2021-07-05 06:45:07,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:45:07" (1/1) ... [2021-07-05 06:45:07,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:45:07" (1/1) ... [2021-07-05 06:45:07,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:45:07" (1/1) ... [2021-07-05 06:45:07,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:45:07" (1/1) ... [2021-07-05 06:45:07,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:45:07" (1/1) ... [2021-07-05 06:45:07,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 06:45:07,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 06:45:07,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 06:45:07,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 06:45:07,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:45:07" (1/1) ... [2021-07-05 06:45:07,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 06:45:07,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:45:07,737 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 06:45:07,753 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 06:45:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 06:45:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 06:45:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 06:45:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 06:45:07,943 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 06:45:07,956 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-07-05 06:45:07,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 06:45:07 BoogieIcfgContainer [2021-07-05 06:45:07,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 06:45:07,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 06:45:07,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 06:45:07,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 06:45:07,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 06:45:07" (1/3) ... [2021-07-05 06:45:07,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587f1226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 06:45:07, skipping insertion in model container [2021-07-05 06:45:07,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:45:07" (2/3) ... [2021-07-05 06:45:07,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587f1226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 06:45:07, skipping insertion in model container [2021-07-05 06:45:07,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 06:45:07" (3/3) ... [2021-07-05 06:45:07,963 INFO L111 eAbstractionObserver]: Analyzing ICFG geo3-ll_unwindbound10.c [2021-07-05 06:45:07,967 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 06:45:07,967 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-05 06:45:07,998 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 06:45:08,014 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 06:45:08,024 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 06:45:08,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 15 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 06:45:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-05 06:45:08,037 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:45:08,037 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-05 06:45:08,037 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:45:08,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:45:08,044 INFO L82 PathProgramCache]: Analyzing trace with hash 889571274, now seen corresponding path program 1 times [2021-07-05 06:45:08,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:45:08,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109728109] [2021-07-05 06:45:08,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:45:08,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:45:08,120 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:45:08,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991350369] [2021-07-05 06:45:08,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:45:08,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:45:08,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:45:08,128 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 06:45:08,130 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 06:45:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 06:45:08,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 06:45:08,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:45:08,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-05 06:45:08,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:08,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 06:45:08,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-05 06:45:08,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:08,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:08,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:08,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:08,298 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 06:45:08,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,302 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 06:45:08,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:45:08,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109728109] [2021-07-05 06:45:08,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:45:08,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991350369] [2021-07-05 06:45:08,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991350369] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 06:45:08,304 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 06:45:08,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 06:45:08,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856486689] [2021-07-05 06:45:08,312 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 06:45:08,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:45:08,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 06:45:08,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 06:45:08,325 INFO L87 Difference]: Start difference. First operand has 16 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 15 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) 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 06:45:08,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:45:08,362 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2021-07-05 06:45:08,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 06:45:08,364 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 06:45:08,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:45:08,368 INFO L225 Difference]: With dead ends: 44 [2021-07-05 06:45:08,368 INFO L226 Difference]: Without dead ends: 14 [2021-07-05 06:45:08,370 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-05 06:45:08,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-07-05 06:45:08,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 11. [2021-07-05 06:45:08,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 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 06:45:08,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-07-05 06:45:08,386 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 6 [2021-07-05 06:45:08,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:45:08,386 INFO L442 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2021-07-05 06:45:08,386 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 06:45:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-07-05 06:45:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-07-05 06:45:08,387 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:45:08,387 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-07-05 06:45:08,406 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 06:45:08,595 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-05 06:45:08,596 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:45:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:45:08,596 INFO L82 PathProgramCache]: Analyzing trace with hash 855725686, now seen corresponding path program 1 times [2021-07-05 06:45:08,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:45:08,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114449986] [2021-07-05 06:45:08,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:45:08,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:45:08,603 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:45:08,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1742166822] [2021-07-05 06:45:08,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:45:08,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:45:08,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:45:08,607 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 06:45:08,612 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 06:45:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 06:45:08,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-05 06:45:08,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:45:08,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-05 06:45:08,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-05 06:45:08,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-05 06:45:08,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-05 06:45:08,691 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-07-05 06:45:08,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 06:45:08,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:08,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:08,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:08,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:08,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:08,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:08,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:08,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:08,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:08,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-05 06:45:08,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:08,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-05 06:45:08,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-05 06:45:08,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:08,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:08,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:08,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:08,742 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 06:45:08,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:08,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:08,745 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 06:45:08,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:45:08,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114449986] [2021-07-05 06:45:08,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:45:08,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742166822] [2021-07-05 06:45:08,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742166822] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 06:45:08,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 06:45:08,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-07-05 06:45:08,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424899542] [2021-07-05 06:45:08,746 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 06:45:08,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:45:08,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 06:45:08,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-05 06:45:08,747 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 06:45:08,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:45:08,782 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2021-07-05 06:45:08,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 06:45:08,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 06:45:08,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:45:08,783 INFO L225 Difference]: With dead ends: 20 [2021-07-05 06:45:08,783 INFO L226 Difference]: Without dead ends: 18 [2021-07-05 06:45:08,783 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 42.9ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-05 06:45:08,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-07-05 06:45:08,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2021-07-05 06:45:08,789 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 06:45:08,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-07-05 06:45:08,790 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 10 [2021-07-05 06:45:08,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:45:08,790 INFO L442 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-07-05 06:45:08,790 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 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 06:45:08,791 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-07-05 06:45:08,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-07-05 06:45:08,793 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:45:08,793 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1] [2021-07-05 06:45:08,812 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 06:45:09,012 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,SelfDestructingSolverStorable1 [2021-07-05 06:45:09,012 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:45:09,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:45:09,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1778536670, now seen corresponding path program 2 times [2021-07-05 06:45:09,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:45:09,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846884262] [2021-07-05 06:45:09,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:45:09,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:45:09,019 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:45:09,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [718977666] [2021-07-05 06:45:09,019 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-07-05 06:45:09,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:45:09,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:45:09,020 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 06:45:09,041 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 06:45:09,845 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-05 06:45:09,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 06:45:09,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-05 06:45:09,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:45:09,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:09,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:09,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:09,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:09,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:09,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:09,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:09,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:09,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:09,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:09,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:09,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:09,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-05 06:45:09,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-05 06:45:09,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-05 06:45:09,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-05 06:45:09,911 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-07-05 06:45:09,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 06:45:09,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:09,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:09,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:45:09,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:09,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:09,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:09,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:09,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:09,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:09,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:09,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:09,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-05 06:45:09,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-05 06:45:09,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-07-05 06:45:09,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:09,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-07-05 06:45:10,154 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 14 [2021-07-05 06:45:10,155 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-07-05 06:45:10,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 06:45:10,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:10,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:10,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:10,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:10,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:10,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:10,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:10,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:10,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:10,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:10,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:10,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-05 06:45:10,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:10,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-05 06:45:10,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-05 06:45:10,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:10,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:10,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:10,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:10,198 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 06:45:10,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:10,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:10,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:10,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:10,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 06:45:10,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:45:10,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846884262] [2021-07-05 06:45:10,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:45:10,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718977666] [2021-07-05 06:45:10,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718977666] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 06:45:10,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 06:45:10,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-07-05 06:45:10,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371491947] [2021-07-05 06:45:10,201 INFO L425 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-05 06:45:10,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:45:10,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-05 06:45:10,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-07-05 06:45:10,202 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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 06:45:10,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:45:10,493 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2021-07-05 06:45:10,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-05 06:45:10,494 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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 06:45:10,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:45:10,494 INFO L225 Difference]: With dead ends: 24 [2021-07-05 06:45:10,494 INFO L226 Difference]: Without dead ends: 22 [2021-07-05 06:45:10,495 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 291.1ms TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-05 06:45:10,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-07-05 06:45:10,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2021-07-05 06:45:10,497 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 06:45:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-07-05 06:45:10,497 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 14 [2021-07-05 06:45:10,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:45:10,497 INFO L442 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-07-05 06:45:10,497 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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 06:45:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-07-05 06:45:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-05 06:45:10,498 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:45:10,498 INFO L525 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1] [2021-07-05 06:45:10,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-07-05 06:45:10,704 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:45:10,704 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:45:10,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:45:10,705 INFO L82 PathProgramCache]: Analyzing trace with hash -58338866, now seen corresponding path program 3 times [2021-07-05 06:45:10,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:45:10,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803055650] [2021-07-05 06:45:10,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:45:10,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:45:10,714 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:45:10,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [756885423] [2021-07-05 06:45:10,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-07-05 06:45:10,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:45:10,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:45:10,718 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 06:45:10,719 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 06:45:12,303 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-05 06:45:12,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 06:45:12,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-05 06:45:12,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:45:12,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:12,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:12,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:12,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:12,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 06:45:12,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:45:12,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-05 06:45:12,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 06:45:12,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-05 06:45:12,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-05 06:45:12,366 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-07-05 06:45:12,367 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-07-05 06:45:12,368 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-07-05 06:45:12,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 06:45:12,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 06:45:12,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 06:45:12,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-07-05 06:45:12,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-07-05 06:45:12,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-07-05 06:45:12,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:12,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-07-05 06:45:14,615 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-07-05 06:45:14,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-07-05 06:45:14,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-07-05 06:45:14,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-07-05 06:45:14,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-07-05 06:45:14,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-07-05 06:45:14,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-07-05 06:45:14,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-07-05 06:45:14,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,643 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-05 06:45:14,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,647 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,652 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-05 06:45:14,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,653 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 06:45:14,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-07-05 06:45:14,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-07-05 06:45:14,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-07-05 06:45:14,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,668 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-05 06:45:14,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,669 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 06:45:14,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-07-05 06:45:14,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-07-05 06:45:14,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-07-05 06:45:14,687 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:45:14,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,688 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:14,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-05 06:45:14,698 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:45:14,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,700 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,702 INFO L732 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-07-05 06:45:14,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,703 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-07-05 06:45:14,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-05 06:45:14,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-07-05 06:45:14,712 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-07-05 06:45:14,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:14,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 06:45:14,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-05 06:45:14,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-07-05 06:45:14,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:14,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-07-05 06:45:14,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,734 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:45:14,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,745 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,745 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-07-05 06:45:14,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:45:14,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-07-05 06:45:14,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-07-05 06:45:14,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-07-05 06:45:14,756 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-07-05 06:45:14,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,758 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:45:14,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-05 06:45:14,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-07-05 06:45:14,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-07-05 06:45:14,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:45:14,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-07-05 06:45:14,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-07-05 06:45:14,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-07-05 06:45:14,782 INFO L147 QuantifierPusher]: treesize reduction 44, result has 84.6 percent of original size 241 [2021-07-05 06:45:14,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-07-05 06:45:14,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-07-05 06:45:14,787 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-07-05 06:45:14,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,791 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:14,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-05 06:45:14,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,803 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:45:14,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,805 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,808 INFO L732 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-07-05 06:45:14,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,815 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-07-05 06:45:14,824 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-05 06:45:14,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-07-05 06:45:14,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-07-05 06:45:14,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:14,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 06:45:14,831 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-05 06:45:14,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-07-05 06:45:14,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,834 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:14,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-07-05 06:45:14,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-07-05 06:45:14,837 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,839 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:45:14,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,840 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,842 INFO L732 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-07-05 06:45:14,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,844 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-07-05 06:45:14,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-05 06:45:14,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-07-05 06:45:14,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-07-05 06:45:14,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:14,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 06:45:14,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-05 06:45:14,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-07-05 06:45:14,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:45:14,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-07-05 06:45:14,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-07-05 06:45:14,861 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-07-05 06:45:14,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,862 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,864 INFO L142 QuantifierPusher]: treesize reduction 28, result has 85.1 percent of original size [2021-07-05 06:45:14,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:14,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,876 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:45:14,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,878 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-07-05 06:45:14,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:45:14,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-07-05 06:45:14,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-07-05 06:45:14,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-07-05 06:45:14,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,887 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:45:14,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,888 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-07-05 06:45:14,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:45:14,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-07-05 06:45:14,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-07-05 06:45:14,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-07-05 06:45:14,895 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-07-05 06:45:14,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,896 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:45:14,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-05 06:45:14,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-07-05 06:45:14,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-07-05 06:45:14,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:45:14,919 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-07-05 06:45:14,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-07-05 06:45:14,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-07-05 06:45:14,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-05 06:45:14,924 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-07-05 06:45:14,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:14,926 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:14,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:14,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:14,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:14,944 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:14,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:14,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:14,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:14,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:14,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:14,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 06:45:14,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:14,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:14,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-07-05 06:45:14,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:45:14,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803055650] [2021-07-05 06:45:14,950 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:45:14,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756885423] [2021-07-05 06:45:14,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756885423] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 06:45:14,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 06:45:14,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-07-05 06:45:14,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691469534] [2021-07-05 06:45:14,951 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 06:45:14,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:45:14,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 06:45:14,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-07-05 06:45:14,952 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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 06:45:55,977 WARN L205 SmtUtils]: Spent 8.72 s on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-07-05 06:45:56,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:45:56,004 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2021-07-05 06:45:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 06:45:56,005 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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 18 [2021-07-05 06:45:56,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:45:56,005 INFO L225 Difference]: With dead ends: 19 [2021-07-05 06:45:56,005 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 06:45:56,005 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20271.7ms TimeCoverageRelationStatistics Valid=25, Invalid=30, Unknown=1, NotChecked=0, Total=56 [2021-07-05 06:45:56,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 06:45:56,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 06:45:56,005 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 06:45:56,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 06:45:56,005 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-07-05 06:45:56,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:45:56,006 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 06:45:56,006 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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 06:45:56,006 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 06:45:56,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 06:45:56,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 06:45:56,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:56,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:56,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:56,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:56,518 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2021-07-05 06:45:57,517 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2021-07-05 06:45:57,520 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 06:45:57,520 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 06:45:57,520 INFO L762 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2021-07-05 06:45:57,520 INFO L758 garLoopResultBuilder]: At program point L15-2(lines 37 38) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse1 (= ULTIMATE.start_main_~az~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~z~0)))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~y~0 1) (= (+ ULTIMATE.start_main_~x~0 (* ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0)) (+ ULTIMATE.start_main_~a~0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0)))) (and (let ((.cse2 (= ULTIMATE.start_main_~z~0 0))) (or (and (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0) .cse2) (let ((.cse6 (+ (* ULTIMATE.start_main_~a~0 (- 1)) ULTIMATE.start_main_~x~0))) (and (let ((.cse5 (div .cse6 ULTIMATE.start_main_~z~0))) (let ((.cse3 (= ULTIMATE.start_main_~az~0 0)) (.cse4 (* .cse5 ULTIMATE.start_main_~z~0))) (or (and .cse3 (= (+ .cse4 ULTIMATE.start_main_~a~0) .cse5)) (and (not .cse3) (= ULTIMATE.start_main_~y~0 (* (div (+ .cse4 ULTIMATE.start_main_~a~0 (* (- 1) .cse5)) ULTIMATE.start_main_~az~0) ULTIMATE.start_main_~z~0)) (= (mod (+ .cse4 ULTIMATE.start_main_~a~0 (* .cse5 (- 1))) ULTIMATE.start_main_~az~0) 0))))) (= (mod .cse6 ULTIMATE.start_main_~z~0) 0) (not .cse2))))) .cse0 .cse1))) [2021-07-05 06:45:57,520 INFO L762 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2021-07-05 06:45:57,520 INFO L765 garLoopResultBuilder]: At program point L15-5(lines 14 20) the Hoare annotation is: true [2021-07-05 06:45:57,520 INFO L762 garLoopResultBuilder]: For program point L34-1(lines 34 43) no Hoare annotation was computed. [2021-07-05 06:45:57,520 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 06:45:57,521 INFO L758 garLoopResultBuilder]: At program point L34-3(lines 34 43) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0))) (or (and .cse0 (= ULTIMATE.start_main_~y~0 1) (= (+ ULTIMATE.start_main_~x~0 (* ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0)) (+ ULTIMATE.start_main_~a~0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0)))) (and (let ((.cse1 (= ULTIMATE.start_main_~z~0 0))) (or (and .cse0 .cse1) (let ((.cse5 (+ (* ULTIMATE.start_main_~a~0 (- 1)) ULTIMATE.start_main_~x~0))) (and (let ((.cse4 (div .cse5 ULTIMATE.start_main_~z~0))) (let ((.cse2 (= ULTIMATE.start_main_~az~0 0)) (.cse3 (* .cse4 ULTIMATE.start_main_~z~0))) (or (and .cse2 (= (+ .cse3 ULTIMATE.start_main_~a~0) .cse4)) (and (not .cse2) (= ULTIMATE.start_main_~y~0 (* (div (+ .cse3 ULTIMATE.start_main_~a~0 (* (- 1) .cse4)) ULTIMATE.start_main_~az~0) ULTIMATE.start_main_~z~0)) (= (mod (+ .cse3 ULTIMATE.start_main_~a~0 (* .cse4 (- 1))) ULTIMATE.start_main_~az~0) 0))))) (= (mod .cse5 ULTIMATE.start_main_~z~0) 0) (not .cse1))))) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~az~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~z~0))))) [2021-07-05 06:45:57,521 INFO L762 garLoopResultBuilder]: For program point L34-4(lines 34 43) no Hoare annotation was computed. [2021-07-05 06:45:57,521 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 06:45:57,521 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 06:45:57,521 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 06:45:57,521 INFO L762 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2021-07-05 06:45:57,521 INFO L762 garLoopResultBuilder]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2021-07-05 06:45:57,521 INFO L765 garLoopResultBuilder]: At program point L45(lines 22 46) the Hoare annotation is: true [2021-07-05 06:45:57,531 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 06:45:57,721 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:45:57,722 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 06:45:57,725 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/2) [2021-07-05 06:45:57,726 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 06:45:57,726 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 06:45:57,727 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 06:45:57,727 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 15 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 06:45:57,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-05 06:45:57,727 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:45:57,728 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-05 06:45:57,728 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:45:57,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:45:57,732 INFO L82 PathProgramCache]: Analyzing trace with hash 890245543, now seen corresponding path program 1 times [2021-07-05 06:45:57,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:45:57,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663110551] [2021-07-05 06:45:57,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:45:57,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:45:57,738 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:45:57,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641836492] [2021-07-05 06:45:57,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:45:57,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:45:57,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:45:57,741 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 06:45:57,743 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 06:45:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 06:45:57,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2021-07-05 06:45:57,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:45:57,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:57,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:57,778 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 06:45:57,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:45:57,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663110551] [2021-07-05 06:45:57,779 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:45:57,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641836492] [2021-07-05 06:45:57,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641836492] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 06:45:57,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 06:45:57,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 06:45:57,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648339014] [2021-07-05 06:45:57,779 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 06:45:57,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:45:57,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 06:45:57,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 06:45:57,780 INFO L87 Difference]: Start difference. First operand has 16 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 15 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) 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 06:45:57,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:45:57,782 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2021-07-05 06:45:57,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 06:45:57,782 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 06:45:57,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:45:57,782 INFO L225 Difference]: With dead ends: 30 [2021-07-05 06:45:57,782 INFO L226 Difference]: Without dead ends: 10 [2021-07-05 06:45:57,782 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 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 06:45:57,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-07-05 06:45:57,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-07-05 06:45:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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 06:45:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-07-05 06:45:57,784 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6 [2021-07-05 06:45:57,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:45:57,784 INFO L442 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-07-05 06:45:57,784 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 06:45:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-07-05 06:45:57,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-07-05 06:45:57,784 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:45:57,785 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-05 06:45:57,802 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 06:45:57,988 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,SelfDestructingSolverStorable26 [2021-07-05 06:45:57,989 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:45:57,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:45:57,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1806862075, now seen corresponding path program 1 times [2021-07-05 06:45:57,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:45:57,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654223527] [2021-07-05 06:45:57,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:45:57,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:45:57,998 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:45:57,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [548344077] [2021-07-05 06:45:57,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:45:57,998 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:45:57,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:45:57,999 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 06:45:58,000 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 06:45:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 06:45:58,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-05 06:45:58,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:45:58,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:58,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:58,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:58,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:58,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:58,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:58,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:58,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:58,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:58,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 06:45:58,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 06:45:58,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:58,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 06:45:58,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 06:45:58,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:58,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:58,051 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-07-05 06:45:58,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,056 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 06:45:58,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:45:58,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654223527] [2021-07-05 06:45:58,056 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:45:58,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548344077] [2021-07-05 06:45:58,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548344077] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 06:45:58,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 06:45:58,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 06:45:58,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062167280] [2021-07-05 06:45:58,057 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 06:45:58,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:45:58,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 06:45:58,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 06:45:58,057 INFO L87 Difference]: Start difference. First operand 10 states and 11 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 06:45:58,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:45:58,064 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2021-07-05 06:45:58,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 06:45:58,064 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 06:45:58,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:45:58,064 INFO L225 Difference]: With dead ends: 16 [2021-07-05 06:45:58,064 INFO L226 Difference]: Without dead ends: 12 [2021-07-05 06:45:58,065 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 06:45:58,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-07-05 06:45:58,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-07-05 06:45:58,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 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 06:45:58,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-07-05 06:45:58,066 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 7 [2021-07-05 06:45:58,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:45:58,066 INFO L442 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-07-05 06:45:58,066 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 06:45:58,066 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-07-05 06:45:58,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-07-05 06:45:58,066 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:45:58,066 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 06:45:58,082 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 06:45:58,280 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-07-05 06:45:58,281 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:45:58,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:45:58,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1274494228, now seen corresponding path program 1 times [2021-07-05 06:45:58,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:45:58,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363842560] [2021-07-05 06:45:58,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:45:58,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:45:58,285 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:45:58,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1449308034] [2021-07-05 06:45:58,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:45:58,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:45:58,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:45:58,286 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 06:45:58,291 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 06:45:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 06:45:58,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 06:45:58,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:45:58,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 06:45:58,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 06:45:58,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-05 06:45:58,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-05 06:45:58,349 INFO L142 QuantifierPusher]: treesize reduction 18, result has 51.4 percent of original size [2021-07-05 06:45:58,350 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-07-05 06:45:58,350 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-07-05 06:45:58,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:45:58,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:45:58,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:45:58,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:45:58,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:45:58,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:45:58,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:45:58,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-05 06:45:58,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:45:58,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 06:45:58,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:45:58,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:58,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:45:58,367 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 06:45:58,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:45:58,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:45:58,369 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 06:45:58,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:45:58,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363842560] [2021-07-05 06:45:58,369 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:45:58,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449308034] [2021-07-05 06:45:58,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449308034] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 06:45:58,370 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 06:45:58,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 06:45:58,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125414104] [2021-07-05 06:45:58,370 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 06:45:58,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:45:58,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 06:45:58,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 06:45:58,371 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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 06:45:58,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:45:58,623 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2021-07-05 06:45:58,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 06:45:58,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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 06:45:58,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:45:58,623 INFO L225 Difference]: With dead ends: 12 [2021-07-05 06:45:58,623 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 06:45:58,624 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.6ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-05 06:45:58,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 06:45:58,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 06:45:58,624 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 06:45:58,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 06:45:58,624 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2021-07-05 06:45:58,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:45:58,624 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 06:45:58,624 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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 06:45:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 06:45:58,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 06:45:58,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 06:45:58,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:58,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:58,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:58,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:45:58,639 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 06:45:58,646 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 06:45:58,646 INFO L762 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2021-07-05 06:45:58,646 INFO L758 garLoopResultBuilder]: At program point L15-2(lines 37 38) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (= (+ ULTIMATE.start_main_~x~0 (* ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0)) (+ ULTIMATE.start_main_~a~0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))))) (and (let ((.cse1 (= ULTIMATE.start_main_~az~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~z~0)))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~y~0 1) .cse2) (and (let ((.cse3 (= ULTIMATE.start_main_~z~0 0))) (or (and (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0) .cse3) (let ((.cse7 (+ (* ULTIMATE.start_main_~a~0 (- 1)) ULTIMATE.start_main_~x~0))) (and (let ((.cse6 (div .cse7 ULTIMATE.start_main_~z~0))) (let ((.cse4 (= ULTIMATE.start_main_~az~0 0)) (.cse5 (* .cse6 ULTIMATE.start_main_~z~0))) (or (and .cse4 (= (+ .cse5 ULTIMATE.start_main_~a~0) .cse6)) (and (not .cse4) (= ULTIMATE.start_main_~y~0 (* (div (+ .cse5 ULTIMATE.start_main_~a~0 (* (- 1) .cse6)) ULTIMATE.start_main_~az~0) ULTIMATE.start_main_~z~0)) (= (mod (+ .cse5 ULTIMATE.start_main_~a~0 (* .cse6 (- 1))) ULTIMATE.start_main_~az~0) 0))))) (= (mod .cse7 ULTIMATE.start_main_~z~0) 0) (not .cse3))))) .cse0 .cse1))) .cse0 .cse2)) [2021-07-05 06:45:58,646 INFO L762 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2021-07-05 06:45:58,646 INFO L765 garLoopResultBuilder]: At program point L15-5(lines 14 20) the Hoare annotation is: true [2021-07-05 06:45:58,647 INFO L762 garLoopResultBuilder]: For program point L34-1(lines 34 43) no Hoare annotation was computed. [2021-07-05 06:45:58,647 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 06:45:58,647 INFO L758 garLoopResultBuilder]: At program point L34-3(lines 34 43) the Hoare annotation is: (let ((.cse7 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse1 (= (+ ULTIMATE.start_main_~x~0 (* ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0)) (+ ULTIMATE.start_main_~a~0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))))) (and (let ((.cse0 (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0))) (or (and .cse0 (= ULTIMATE.start_main_~y~0 1) .cse1) (and (let ((.cse2 (= ULTIMATE.start_main_~z~0 0))) (or (and .cse0 .cse2) (let ((.cse6 (+ (* ULTIMATE.start_main_~a~0 (- 1)) ULTIMATE.start_main_~x~0))) (and (let ((.cse5 (div .cse6 ULTIMATE.start_main_~z~0))) (let ((.cse3 (= ULTIMATE.start_main_~az~0 0)) (.cse4 (* .cse5 ULTIMATE.start_main_~z~0))) (or (and .cse3 (= (+ .cse4 ULTIMATE.start_main_~a~0) .cse5)) (and (not .cse3) (= ULTIMATE.start_main_~y~0 (* (div (+ .cse4 ULTIMATE.start_main_~a~0 (* (- 1) .cse5)) ULTIMATE.start_main_~az~0) ULTIMATE.start_main_~z~0)) (= (mod (+ .cse4 ULTIMATE.start_main_~a~0 (* .cse5 (- 1))) ULTIMATE.start_main_~az~0) 0))))) (= (mod .cse6 ULTIMATE.start_main_~z~0) 0) (not .cse2))))) .cse7 (= ULTIMATE.start_main_~az~0 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~z~0))))) (or (and .cse7 .cse1) (and (<= ~counter~0 0) .cse1)))) [2021-07-05 06:45:58,647 INFO L762 garLoopResultBuilder]: For program point L34-4(lines 34 43) no Hoare annotation was computed. [2021-07-05 06:45:58,647 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 06:45:58,647 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 06:45:58,647 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 06:45:58,647 INFO L762 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2021-07-05 06:45:58,647 INFO L762 garLoopResultBuilder]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2021-07-05 06:45:58,647 INFO L765 garLoopResultBuilder]: At program point L45(lines 22 46) the Hoare annotation is: true [2021-07-05 06:45:58,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-07-05 06:45:58,848 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:45:58,848 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 06:45:58,848 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/2) [2021-07-05 06:45:58,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 06:45:58 BoogieIcfgContainer [2021-07-05 06:45:58,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 06:45:58,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 06:45:58,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 06:45:58,863 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 06:45:58,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 06:45:07" (3/4) ... [2021-07-05 06:45:58,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 06:45:58,871 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-07-05 06:45:58,871 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-07-05 06:45:58,871 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 06:45:58,871 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 06:45:58,888 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 06:45:58,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 06:45:58,889 INFO L168 Benchmark]: Toolchain (without parser) took 51407.56 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 43.8 MB in the beginning and 55.8 MB in the end (delta: -12.1 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2021-07-05 06:45:58,889 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 62.9 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 06:45:58,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.61 ms. Allocated memory is still 62.9 MB. Free memory was 43.5 MB in the beginning and 47.4 MB in the end (delta: -3.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-07-05 06:45:58,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.73 ms. Allocated memory is still 62.9 MB. Free memory was 47.2 MB in the beginning and 45.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 06:45:58,889 INFO L168 Benchmark]: Boogie Preprocessor took 27.27 ms. Allocated memory is still 62.9 MB. Free memory was 45.8 MB in the beginning and 44.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 06:45:58,889 INFO L168 Benchmark]: RCFGBuilder took 240.61 ms. Allocated memory is still 62.9 MB. Free memory was 44.7 MB in the beginning and 31.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-05 06:45:58,890 INFO L168 Benchmark]: TraceAbstraction took 50900.30 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 31.5 MB in the beginning and 58.7 MB in the end (delta: -27.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2021-07-05 06:45:58,890 INFO L168 Benchmark]: Witness Printer took 25.78 ms. Allocated memory is still 77.6 MB. Free memory was 58.7 MB in the beginning and 55.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 06:45:58,890 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 62.9 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 173.61 ms. Allocated memory is still 62.9 MB. Free memory was 43.5 MB in the beginning and 47.4 MB in the end (delta: -3.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.73 ms. Allocated memory is still 62.9 MB. Free memory was 47.2 MB in the beginning and 45.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.27 ms. Allocated memory is still 62.9 MB. Free memory was 45.8 MB in the beginning and 44.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 240.61 ms. Allocated memory is still 62.9 MB. Free memory was 44.7 MB in the beginning and 31.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 50900.30 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 31.5 MB in the beginning and 58.7 MB in the end (delta: -27.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * Witness Printer took 25.78 ms. Allocated memory is still 77.6 MB. Free memory was 58.7 MB in the beginning and 55.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 17]: 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 49727.6ms, OverallIterations: 4, TraceHistogramMax: 4, EmptinessCheckTime: 8.4ms, AutomataDifference: 41440.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1511.7ms, InitialAbstractionConstructionTime: 7.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 31 SDtfs, 39 SDslu, 65 SDs, 0 SdLazy, 88 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23328.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 20625.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=3, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 17.6ms AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 15 NumberOfFragments, 265 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 28.9ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 380 FormulaSimplificationTreeSizeReductionInter, 1478.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 29.3ms SsaConstructionTime, 2375.7ms SatisfiabilityAnalysisTime, 3210.6ms InterpolantComputationTime, 48 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 606 SizeOfPredicates, 34 NumberOfNonLiveVariables, 328 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 18/34 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1122.2ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 1.1ms, AutomataDifference: 263.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 14.7ms, InitialAbstractionConstructionTime: 0.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 32 SDtfs, 11 SDslu, 20 SDs, 0 SdLazy, 14 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 239.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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: 2.4ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 9 NumberOfFragments, 48 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 2.6ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 11.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 15.3ms SsaConstructionTime, 21.2ms SatisfiabilityAnalysisTime, 82.1ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 8 NumberOfNonLiveVariables, 197 ConjunctsInSsa, 15 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 2 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((a == x && y == 1) && x + az * y == a + z * x) || ((((a == x && z == 0) || ((((az == 0 && (a * -1 + x) / z * z + a == (a * -1 + x) / z) || ((!(az == 0) && y == ((a * -1 + x) / z * z + a + -1 * ((a * -1 + x) / z)) / az * z) && ((a * -1 + x) / z * z + a + (a * -1 + x) / z * -1) % az == 0)) && (a * -1 + x) % z == 0) && !(z == 0))) && 1 == cond) && az == a * z)) && ((1 == cond && x + az * y == a + z * x) || (counter <= 0 && x + az * y == a + z * x)) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: (((((1 == cond && az == a * z) && y == 1) && x + az * y == a + z * x) || ((((a == x && z == 0) || ((((az == 0 && (a * -1 + x) / z * z + a == (a * -1 + x) / z) || ((!(az == 0) && y == ((a * -1 + x) / z * z + a + -1 * ((a * -1 + x) / z)) / az * z) && ((a * -1 + x) / z * z + a + (a * -1 + x) / z * -1) % az == 0)) && (a * -1 + x) % z == 0) && !(z == 0))) && 1 == cond) && az == a * z)) && 1 == cond) && x + az * y == a + z * x - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-07-05 06:45:58,906 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...