./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.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_unwindbound50.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 6d5533b4e642e546ba6236116dd70a2992ad773b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 06:46:32,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 06:46:32,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 06:46:32,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 06:46:32,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 06:46:32,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 06:46:32,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 06:46:32,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 06:46:32,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 06:46:32,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 06:46:32,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 06:46:32,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 06:46:32,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 06:46:32,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 06:46:32,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 06:46:32,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 06:46:32,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 06:46:32,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 06:46:32,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 06:46:32,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 06:46:32,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 06:46:32,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 06:46:32,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 06:46:32,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 06:46:32,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 06:46:32,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 06:46:32,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 06:46:32,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 06:46:32,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 06:46:32,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 06:46:32,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 06:46:32,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 06:46:32,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 06:46:32,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 06:46:32,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 06:46:32,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 06:46:32,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 06:46:32,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 06:46:32,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 06:46:32,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 06:46:32,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 06:46:32,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 06:46:32,719 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 06:46:32,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 06:46:32,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 06:46:32,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 06:46:32,724 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 06:46:32,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 06:46:32,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 06:46:32,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 06:46:32,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 06:46:32,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 06:46:32,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 06:46:32,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 06:46:32,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 06:46:32,726 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 06:46:32,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 06:46:32,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 06:46:32,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 06:46:32,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 06:46:32,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 06:46:32,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 06:46:32,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 06:46:32,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 06:46:32,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 06:46:32,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 06:46:32,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 06:46:32,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 06:46:32,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 06:46:32,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 06:46:32,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d5533b4e642e546ba6236116dd70a2992ad773b [2021-07-05 06:46:32,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 06:46:32,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 06:46:32,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 06:46:32,975 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 06:46:32,975 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 06:46:32,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2021-07-05 06:46:33,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/746fa76e7/a9cd5652b5bf4c3184af31a70726045e/FLAGaa725c03f [2021-07-05 06:46:33,428 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 06:46:33,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2021-07-05 06:46:33,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/746fa76e7/a9cd5652b5bf4c3184af31a70726045e/FLAGaa725c03f [2021-07-05 06:46:33,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/746fa76e7/a9cd5652b5bf4c3184af31a70726045e [2021-07-05 06:46:33,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 06:46:33,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 06:46:33,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 06:46:33,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 06:46:33,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 06:46:33,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 06:46:33" (1/1) ... [2021-07-05 06:46:33,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f2efd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:46:33, skipping insertion in model container [2021-07-05 06:46:33,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 06:46:33" (1/1) ... [2021-07-05 06:46:33,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 06:46:33,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 06:46:33,581 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_unwindbound50.c[525,538] [2021-07-05 06:46:33,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 06:46:33,595 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 06:46:33,639 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_unwindbound50.c[525,538] [2021-07-05 06:46:33,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 06:46:33,655 INFO L208 MainTranslator]: Completed translation [2021-07-05 06:46:33,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:46:33 WrapperNode [2021-07-05 06:46:33,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 06:46:33,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 06:46:33,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 06:46:33,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 06:46:33,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:46:33" (1/1) ... [2021-07-05 06:46:33,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:46:33" (1/1) ... [2021-07-05 06:46:33,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 06:46:33,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 06:46:33,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 06:46:33,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 06:46:33,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:46:33" (1/1) ... [2021-07-05 06:46:33,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:46:33" (1/1) ... [2021-07-05 06:46:33,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:46:33" (1/1) ... [2021-07-05 06:46:33,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:46:33" (1/1) ... [2021-07-05 06:46:33,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:46:33" (1/1) ... [2021-07-05 06:46:33,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:46:33" (1/1) ... [2021-07-05 06:46:33,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:46:33" (1/1) ... [2021-07-05 06:46:33,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 06:46:33,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 06:46:33,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 06:46:33,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 06:46:33,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:46:33" (1/1) ... [2021-07-05 06:46:33,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 06:46:33,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:46:33,718 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 06:46:33,734 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 06:46:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 06:46:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 06:46:33,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 06:46:33,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 06:46:33,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 06:46:33,887 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-07-05 06:46:33,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 06:46:33 BoogieIcfgContainer [2021-07-05 06:46:33,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 06:46:33,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 06:46:33,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 06:46:33,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 06:46:33,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 06:46:33" (1/3) ... [2021-07-05 06:46:33,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52710e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 06:46:33, skipping insertion in model container [2021-07-05 06:46:33,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 06:46:33" (2/3) ... [2021-07-05 06:46:33,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52710e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 06:46:33, skipping insertion in model container [2021-07-05 06:46:33,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 06:46:33" (3/3) ... [2021-07-05 06:46:33,899 INFO L111 eAbstractionObserver]: Analyzing ICFG geo3-ll_unwindbound50.c [2021-07-05 06:46:33,903 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 06:46:33,908 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-05 06:46:33,939 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 06:46:33,942 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 06:46:33,942 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 06:46:33,950 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 06:46:33,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-05 06:46:33,953 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:46:33,954 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-05 06:46:33,954 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:46:33,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:46:33,958 INFO L82 PathProgramCache]: Analyzing trace with hash 889571274, now seen corresponding path program 1 times [2021-07-05 06:46:33,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:46:33,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6345939] [2021-07-05 06:46:33,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:46:33,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:46:34,049 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:46:34,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1770397561] [2021-07-05 06:46:34,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:46:34,051 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:46:34,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:46:34,052 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 06:46:34,053 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 06:46:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 06:46:34,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 06:46:34,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:46:34,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-05 06:46:34,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:46:34,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 06:46:34,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-05 06:46:34,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:46:34,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:46:34,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:46:34,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:46:34,282 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 06:46:34,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,286 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 06:46:34,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:46:34,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6345939] [2021-07-05 06:46:34,287 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:46:34,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770397561] [2021-07-05 06:46:34,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770397561] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 06:46:34,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 06:46:34,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 06:46:34,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789972216] [2021-07-05 06:46:34,292 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 06:46:34,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:46:34,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 06:46:34,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 06:46:34,305 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 06:46:34,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:46:34,357 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2021-07-05 06:46:34,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 06:46:34,359 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 06:46:34,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:46:34,364 INFO L225 Difference]: With dead ends: 44 [2021-07-05 06:46:34,364 INFO L226 Difference]: Without dead ends: 14 [2021-07-05 06:46:34,366 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-05 06:46:34,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-07-05 06:46:34,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 11. [2021-07-05 06:46:34,384 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 06:46:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-07-05 06:46:34,385 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 6 [2021-07-05 06:46:34,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:46:34,386 INFO L442 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2021-07-05 06:46:34,386 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 06:46:34,386 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-07-05 06:46:34,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-07-05 06:46:34,387 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:46:34,387 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-07-05 06:46:34,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-07-05 06:46:34,605 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 06:46:34,605 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:46:34,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:46:34,606 INFO L82 PathProgramCache]: Analyzing trace with hash 855725686, now seen corresponding path program 1 times [2021-07-05 06:46:34,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:46:34,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009622512] [2021-07-05 06:46:34,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:46:34,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:46:34,614 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:46:34,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1173992439] [2021-07-05 06:46:34,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:46:34,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:46:34,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:46:34,615 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 06:46:34,616 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 06:46:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 06:46:34,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-05 06:46:34,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:46:34,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-05 06:46:34,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-05 06:46:34,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-05 06:46:34,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-05 06:46:34,710 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-07-05 06:46:34,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 06:46:34,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:34,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:34,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:34,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:34,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:34,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:34,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:34,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:34,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:34,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-05 06:46:34,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:46:34,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-05 06:46:34,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-05 06:46:34,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:46:34,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:46:34,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:46:34,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:46:34,757 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 06:46:34,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:34,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:34,759 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 06:46:34,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:46:34,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009622512] [2021-07-05 06:46:34,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:46:34,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173992439] [2021-07-05 06:46:34,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173992439] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 06:46:34,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 06:46:34,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-07-05 06:46:34,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495354048] [2021-07-05 06:46:34,760 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 06:46:34,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:46:34,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 06:46:34,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-05 06:46:34,763 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 06:46:34,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:46:34,808 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2021-07-05 06:46:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 06:46:34,808 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 06:46:34,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:46:34,809 INFO L225 Difference]: With dead ends: 20 [2021-07-05 06:46:34,809 INFO L226 Difference]: Without dead ends: 18 [2021-07-05 06:46:34,810 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 54.1ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-05 06:46:34,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-07-05 06:46:34,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2021-07-05 06:46:34,814 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 06:46:34,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-07-05 06:46:34,814 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 10 [2021-07-05 06:46:34,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:46:34,814 INFO L442 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-07-05 06:46:34,815 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 06:46:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-07-05 06:46:34,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-07-05 06:46:34,817 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:46:34,818 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1] [2021-07-05 06:46:34,837 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 06:46:35,024 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 06:46:35,024 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:46:35,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:46:35,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1778536670, now seen corresponding path program 2 times [2021-07-05 06:46:35,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:46:35,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807637210] [2021-07-05 06:46:35,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:46:35,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:46:35,031 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:46:35,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975846322] [2021-07-05 06:46:35,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-07-05 06:46:35,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:46:35,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:46:35,033 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 06:46:35,063 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 06:46:35,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-05 06:46:35,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 06:46:35,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-05 06:46:35,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:46:35,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:35,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:35,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:35,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:35,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:35,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:35,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:35,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:35,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:35,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:35,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:35,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:35,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-05 06:46:35,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-05 06:46:35,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-05 06:46:35,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-05 06:46:35,915 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-07-05 06:46:35,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 06:46:35,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:35,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:35,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 06:46:35,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:35,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:35,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:35,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:35,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:35,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:35,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:35,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:35,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-05 06:46:35,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-05 06:46:35,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-07-05 06:46:35,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:35,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-07-05 06:46:36,265 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 14 [2021-07-05 06:46:36,267 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-07-05 06:46:36,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 06:46:36,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:36,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:36,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:46:36,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:46:36,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:46:36,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:46:36,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:46:36,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:46:36,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:46:36,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:46:36,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:46:36,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-05 06:46:36,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:46:36,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-05 06:46:36,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-05 06:46:36,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:46:36,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:46:36,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:46:36,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:46:36,315 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 06:46:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:36,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:36,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:36,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:36,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:36,318 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 06:46:36,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:46:36,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807637210] [2021-07-05 06:46:36,318 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:46:36,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975846322] [2021-07-05 06:46:36,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975846322] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 06:46:36,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 06:46:36,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-07-05 06:46:36,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426790163] [2021-07-05 06:46:36,319 INFO L425 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-05 06:46:36,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:46:36,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-05 06:46:36,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-07-05 06:46:36,320 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 06:46:36,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:46:36,441 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2021-07-05 06:46:36,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-05 06:46:36,442 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 06:46:36,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:46:36,442 INFO L225 Difference]: With dead ends: 24 [2021-07-05 06:46:36,442 INFO L226 Difference]: Without dead ends: 22 [2021-07-05 06:46:36,443 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 384.9ms TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-05 06:46:36,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-07-05 06:46:36,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2021-07-05 06:46:36,445 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 06:46:36,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-07-05 06:46:36,445 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 14 [2021-07-05 06:46:36,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:46:36,445 INFO L442 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-07-05 06:46:36,446 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 06:46:36,446 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-07-05 06:46:36,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-05 06:46:36,446 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:46:36,446 INFO L525 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1] [2021-07-05 06:46:36,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-07-05 06:46:36,652 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 06:46:36,652 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:46:36,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:46:36,653 INFO L82 PathProgramCache]: Analyzing trace with hash -58338866, now seen corresponding path program 3 times [2021-07-05 06:46:36,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:46:36,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258346981] [2021-07-05 06:46:36,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:46:36,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:46:36,659 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:46:36,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1675816806] [2021-07-05 06:46:36,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-07-05 06:46:36,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:46:36,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:46:36,660 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 06:46:36,672 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 06:46:37,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-05 06:46:37,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 06:46:37,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-05 06:46:37,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:46:37,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:37,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:37,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:37,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:46:37,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 06:46:37,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 06:46:37,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-05 06:46:37,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 06:46:37,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-05 06:46:37,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-05 06:46:37,280 INFO L142 QuantifierPusher]: treesize reduction 18, result has 57.1 percent of original size [2021-07-05 06:46:37,281 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-07-05 06:46:37,282 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-07-05 06:46:37,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 06:46:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 06:46:37,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 06:46:37,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-07-05 06:46:37,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-07-05 06:46:37,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-07-05 06:46:37,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:46:37,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-07-05 06:47:04,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-07-05 06:47:04,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-07-05 06:47:04,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-07-05 06:47:04,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-07-05 06:47:04,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-07-05 06:47:04,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-07-05 06:47:04,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-07-05 06:47:04,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,455 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-05 06:47:04,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,459 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,463 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-05 06:47:04,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,465 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 06:47:04,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-07-05 06:47:04,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-07-05 06:47:04,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-07-05 06:47:04,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,482 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-05 06:47:04,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,483 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 06:47:04,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2021-07-05 06:47:04,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-07-05 06:47:04,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-07-05 06:47:04,493 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:47:04,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,494 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:47:04,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-05 06:47:04,515 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:47:04,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,517 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,519 INFO L732 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-07-05 06:47:04,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,524 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-07-05 06:47:04,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-05 06:47:04,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-07-05 06:47:04,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-07-05 06:47:04,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:47:04,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 06:47:04,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-05 06:47:04,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-07-05 06:47:04,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:47:04,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-07-05 06:47:04,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,549 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:47:04,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,561 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-07-05 06:47:04,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:47:04,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-07-05 06:47:04,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-07-05 06:47:04,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-07-05 06:47:04,570 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-07-05 06:47:04,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,571 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:47:04,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-05 06:47:04,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-07-05 06:47:04,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-07-05 06:47:04,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:47:04,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-07-05 06:47:04,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-07-05 06:47:04,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-07-05 06:47:04,593 INFO L147 QuantifierPusher]: treesize reduction 44, result has 84.6 percent of original size 241 [2021-07-05 06:47:04,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-07-05 06:47:04,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-07-05 06:47:04,596 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-07-05 06:47:04,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,597 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:47:04,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-05 06:47:04,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,607 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:47:04,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,608 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,610 INFO L732 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-07-05 06:47:04,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,611 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-07-05 06:47:04,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-05 06:47:04,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-07-05 06:47:04,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-07-05 06:47:04,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:47:04,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 06:47:04,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-05 06:47:04,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-07-05 06:47:04,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:47:04,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-07-05 06:47:04,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-07-05 06:47:04,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,630 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:47:04,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,632 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,633 INFO L732 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-07-05 06:47:04,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,635 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-07-05 06:47:04,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-05 06:47:04,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-07-05 06:47:04,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-07-05 06:47:04,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:47:04,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 06:47:04,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-05 06:47:04,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-07-05 06:47:04,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 06:47:04,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-07-05 06:47:04,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-07-05 06:47:04,651 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-07-05 06:47:04,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,652 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,655 INFO L142 QuantifierPusher]: treesize reduction 28, result has 85.1 percent of original size [2021-07-05 06:47:04,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:04,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,671 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:47:04,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,672 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-07-05 06:47:04,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:47:04,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-07-05 06:47:04,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-07-05 06:47:04,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-07-05 06:47:04,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,682 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 06:47:04,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,683 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-07-05 06:47:04,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:47:04,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-07-05 06:47:04,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-07-05 06:47:04,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-07-05 06:47:04,690 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-07-05 06:47:04,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,691 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:47:04,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-05 06:47:04,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-07-05 06:47:04,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-07-05 06:47:04,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-07-05 06:47:04,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-07-05 06:47:04,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-07-05 06:47:04,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-07-05 06:47:04,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-05 06:47:04,706 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-07-05 06:47:04,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:04,707 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:04,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:04,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:04,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:04,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:04,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:04,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:04,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:04,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:04,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:04,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 06:47:04,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:04,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:04,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:04,725 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 06:47:04,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:47:04,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258346981] [2021-07-05 06:47:04,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:47:04,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675816806] [2021-07-05 06:47:04,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675816806] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 06:47:04,725 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-07-05 06:47:04,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-07-05 06:47:04,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797699507] [2021-07-05 06:47:04,726 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 06:47:04,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:47:04,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 06:47:04,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-05 06:47:04,726 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 06:47:31,772 WARN L205 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-07-05 06:47:31,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:47:31,790 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2021-07-05 06:47:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 06:47:31,790 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 06:47:31,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:47:31,791 INFO L225 Difference]: With dead ends: 19 [2021-07-05 06:47:31,791 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 06:47:31,792 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 54125.3ms TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-07-05 06:47:31,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 06:47:31,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 06:47:31,792 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 06:47:31,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 06:47:31,793 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-07-05 06:47:31,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:47:31,793 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 06:47:31,793 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 06:47:31,793 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 06:47:31,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 06:47:31,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 06:47:31,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:31,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:31,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:31,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:32,213 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2021-07-05 06:47:32,948 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2021-07-05 06:47:32,951 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 06:47:32,951 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 06:47:32,951 INFO L762 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2021-07-05 06:47:32,952 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 06:47:32,952 INFO L762 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2021-07-05 06:47:32,952 INFO L765 garLoopResultBuilder]: At program point L15-5(lines 14 20) the Hoare annotation is: true [2021-07-05 06:47:32,952 INFO L762 garLoopResultBuilder]: For program point L34-1(lines 34 43) no Hoare annotation was computed. [2021-07-05 06:47:32,952 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 06:47:32,952 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 06:47:32,952 INFO L762 garLoopResultBuilder]: For program point L34-4(lines 34 43) no Hoare annotation was computed. [2021-07-05 06:47:32,952 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 06:47:32,952 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 06:47:32,953 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 06:47:32,953 INFO L762 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2021-07-05 06:47:32,953 INFO L762 garLoopResultBuilder]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2021-07-05 06:47:32,953 INFO L765 garLoopResultBuilder]: At program point L45(lines 22 46) the Hoare annotation is: true [2021-07-05 06:47:32,958 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 06:47:33,156 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 06:47:33,157 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 06:47:33,161 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/2) [2021-07-05 06:47:33,163 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 06:47:33,163 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 06:47:33,163 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 06:47:33,164 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 06:47:33,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-05 06:47:33,165 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:47:33,165 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-05 06:47:33,165 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:47:33,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:47:33,165 INFO L82 PathProgramCache]: Analyzing trace with hash 890245543, now seen corresponding path program 1 times [2021-07-05 06:47:33,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:47:33,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804004700] [2021-07-05 06:47:33,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:47:33,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:47:33,171 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:47:33,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242377544] [2021-07-05 06:47:33,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:47:33,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:47:33,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:47:33,172 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 06:47:33,174 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 06:47:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 06:47:33,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2021-07-05 06:47:33,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:47:33,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,214 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 06:47:33,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:47:33,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804004700] [2021-07-05 06:47:33,214 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:47:33,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242377544] [2021-07-05 06:47:33,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242377544] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 06:47:33,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 06:47:33,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 06:47:33,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105050616] [2021-07-05 06:47:33,215 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 06:47:33,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:47:33,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 06:47:33,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 06:47:33,217 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 06:47:33,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:47:33,220 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2021-07-05 06:47:33,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 06:47:33,220 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 06:47:33,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:47:33,221 INFO L225 Difference]: With dead ends: 30 [2021-07-05 06:47:33,221 INFO L226 Difference]: Without dead ends: 10 [2021-07-05 06:47:33,221 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 06:47:33,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-07-05 06:47:33,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-07-05 06:47:33,222 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 06:47:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-07-05 06:47:33,223 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6 [2021-07-05 06:47:33,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:47:33,223 INFO L442 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-07-05 06:47:33,223 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 06:47:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-07-05 06:47:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-07-05 06:47:33,224 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:47:33,224 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-05 06:47:33,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-07-05 06:47:33,428 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 06:47:33,429 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:47:33,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:47:33,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1806862075, now seen corresponding path program 1 times [2021-07-05 06:47:33,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:47:33,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776153830] [2021-07-05 06:47:33,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:47:33,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:47:33,434 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:47:33,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [213676478] [2021-07-05 06:47:33,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:47:33,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:47:33,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:47:33,449 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 06:47:33,491 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 06:47:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 06:47:33,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-05 06:47:33,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:47:33,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:33,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:33,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:33,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:33,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:33,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:33,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:33,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:33,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:33,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 06:47:33,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 06:47:33,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:33,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 06:47:33,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 06:47:33,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:33,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:33,542 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-07-05 06:47:33,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,549 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 06:47:33,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:47:33,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776153830] [2021-07-05 06:47:33,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:47:33,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213676478] [2021-07-05 06:47:33,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213676478] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 06:47:33,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 06:47:33,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 06:47:33,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581488089] [2021-07-05 06:47:33,551 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 06:47:33,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:47:33,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 06:47:33,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 06:47:33,552 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 06:47:33,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:47:33,561 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2021-07-05 06:47:33,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 06:47:33,561 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 06:47:33,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:47:33,562 INFO L225 Difference]: With dead ends: 16 [2021-07-05 06:47:33,562 INFO L226 Difference]: Without dead ends: 12 [2021-07-05 06:47:33,562 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 06:47:33,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-07-05 06:47:33,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-07-05 06:47:33,564 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 06:47:33,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-07-05 06:47:33,565 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 7 [2021-07-05 06:47:33,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:47:33,565 INFO L442 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-07-05 06:47:33,565 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 06:47:33,565 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-07-05 06:47:33,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-07-05 06:47:33,565 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 06:47:33,566 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 06:47:33,583 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 06:47:33,772 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 06:47:33,773 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 06:47:33,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 06:47:33,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1274494228, now seen corresponding path program 1 times [2021-07-05 06:47:33,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 06:47:33,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302222251] [2021-07-05 06:47:33,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:47:33,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 06:47:33,780 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 06:47:33,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [741919265] [2021-07-05 06:47:33,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 06:47:33,781 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 06:47:33,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 06:47:33,781 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 06:47:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 06:47:33,822 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 06:47:33,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 06:47:33,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 06:47:33,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-05 06:47:33,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 06:47:33,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-05 06:47:33,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-05 06:47:33,842 INFO L142 QuantifierPusher]: treesize reduction 18, result has 51.4 percent of original size [2021-07-05 06:47:33,843 INFO L147 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size 15 [2021-07-05 06:47:33,843 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-07-05 06:47:33,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:47:33,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:47:33,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:47:33,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:47:33,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:47:33,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:47:33,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 06:47:33,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-05 06:47:33,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 06:47:33,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 06:47:33,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 06:47:33,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:33,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 06:47:33,860 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 06:47:33,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 06:47:33,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 06:47:33,862 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 06:47:33,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 06:47:33,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302222251] [2021-07-05 06:47:33,862 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 06:47:33,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741919265] [2021-07-05 06:47:33,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741919265] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 06:47:33,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 06:47:33,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 06:47:33,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063559247] [2021-07-05 06:47:33,863 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 06:47:33,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 06:47:33,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 06:47:33,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 06:47:33,863 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 06:47:35,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 06:47:35,086 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2021-07-05 06:47:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 06:47:35,086 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 06:47:35,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 06:47:35,086 INFO L225 Difference]: With dead ends: 12 [2021-07-05 06:47:35,087 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 06:47:35,087 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.5ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-05 06:47:35,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 06:47:35,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 06:47:35,087 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 06:47:35,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 06:47:35,087 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2021-07-05 06:47:35,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 06:47:35,088 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 06:47:35,088 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 06:47:35,088 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 06:47:35,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 06:47:35,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 06:47:35,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:35,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:35,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:35,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 06:47:35,106 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 06:47:35,106 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 06:47:35,106 INFO L762 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2021-07-05 06:47:35,106 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 06:47:35,106 INFO L762 garLoopResultBuilder]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2021-07-05 06:47:35,106 INFO L765 garLoopResultBuilder]: At program point L15-5(lines 14 20) the Hoare annotation is: true [2021-07-05 06:47:35,107 INFO L762 garLoopResultBuilder]: For program point L34-1(lines 34 43) no Hoare annotation was computed. [2021-07-05 06:47:35,107 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 06:47:35,107 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 06:47:35,107 INFO L762 garLoopResultBuilder]: For program point L34-4(lines 34 43) no Hoare annotation was computed. [2021-07-05 06:47:35,107 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 06:47:35,107 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 06:47:35,107 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-07-05 06:47:35,107 INFO L762 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2021-07-05 06:47:35,107 INFO L762 garLoopResultBuilder]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2021-07-05 06:47:35,108 INFO L765 garLoopResultBuilder]: At program point L45(lines 22 46) the Hoare annotation is: true [2021-07-05 06:47:35,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-07-05 06:47:35,317 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 06:47:35,317 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 06:47:35,317 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/2) [2021-07-05 06:47:35,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 06:47:35 BoogieIcfgContainer [2021-07-05 06:47:35,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 06:47:35,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 06:47:35,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 06:47:35,329 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 06:47:35,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 06:46:33" (3/4) ... [2021-07-05 06:47:35,331 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 06:47:35,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-07-05 06:47:35,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-07-05 06:47:35,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 06:47:35,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 06:47:35,359 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 06:47:35,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 06:47:35,360 INFO L168 Benchmark]: Toolchain (without parser) took 61908.58 ms. Allocated memory was 52.4 MB in the beginning and 81.8 MB in the end (delta: 29.4 MB). Free memory was 29.5 MB in the beginning and 35.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-07-05 06:47:35,360 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.4 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 06:47:35,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.12 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.4 MB in the beginning and 50.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2021-07-05 06:47:35,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.95 ms. Allocated memory is still 67.1 MB. Free memory was 50.6 MB in the beginning and 49.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 06:47:35,360 INFO L168 Benchmark]: Boogie Preprocessor took 21.50 ms. Allocated memory is still 67.1 MB. Free memory was 49.1 MB in the beginning and 48.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 06:47:35,361 INFO L168 Benchmark]: RCFGBuilder took 186.60 ms. Allocated memory is still 67.1 MB. Free memory was 48.1 MB in the beginning and 35.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-05 06:47:35,361 INFO L168 Benchmark]: TraceAbstraction took 61439.28 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 35.0 MB in the beginning and 38.0 MB in the end (delta: -3.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-07-05 06:47:35,361 INFO L168 Benchmark]: Witness Printer took 30.49 ms. Allocated memory is still 81.8 MB. Free memory was 38.0 MB in the beginning and 35.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 06:47:35,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 52.4 MB. Free memory was 33.4 MB in the beginning and 33.4 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 203.12 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.4 MB in the beginning and 50.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 21.95 ms. Allocated memory is still 67.1 MB. Free memory was 50.6 MB in the beginning and 49.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.50 ms. Allocated memory is still 67.1 MB. Free memory was 49.1 MB in the beginning and 48.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 186.60 ms. Allocated memory is still 67.1 MB. Free memory was 48.1 MB in the beginning and 35.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 61439.28 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 35.0 MB in the beginning and 38.0 MB in the end (delta: -3.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * Witness Printer took 30.49 ms. Allocated memory is still 81.8 MB. Free memory was 38.0 MB in the beginning and 35.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 59223.8ms, OverallIterations: 4, TraceHistogramMax: 4, EmptinessCheckTime: 6.8ms, AutomataDifference: 27310.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1153.1ms, InitialAbstractionConstructionTime: 5.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 31 SDtfs, 39 SDslu, 66 SDs, 0 SdLazy, 87 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 193.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 54593.9ms 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: 18.1ms AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 15 NumberOfFragments, 265 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 25.8ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 380 FormulaSimplificationTreeSizeReductionInter, 1122.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 30.7ms SsaConstructionTime, 1355.4ms SatisfiabilityAnalysisTime, 28224.3ms 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: 2154.7ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 2.2ms, AutomataDifference: 1240.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 17.3ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 32 SDtfs, 11 SDslu, 20 SDs, 0 SdLazy, 14 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1214.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.1ms 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: 4.0ms 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, 14.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 13.9ms SsaConstructionTime, 28.8ms SatisfiabilityAnalysisTime, 87.8ms 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 06:47:35,378 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...