./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test25-2.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/ldv-regression/test25-2.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 095737d8fbee9027efb54bd1ca6a270d14b06184 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:59:37,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 00:59:37,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 00:59:37,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 00:59:37,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 00:59:37,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 00:59:37,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 00:59:37,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 00:59:37,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 00:59:37,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 00:59:37,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 00:59:37,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 00:59:37,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 00:59:37,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 00:59:37,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 00:59:37,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 00:59:37,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 00:59:37,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 00:59:37,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 00:59:37,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 00:59:37,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 00:59:37,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 00:59:37,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 00:59:37,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 00:59:37,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 00:59:37,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 00:59:37,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 00:59:37,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 00:59:37,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 00:59:37,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 00:59:37,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 00:59:37,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 00:59:37,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 00:59:37,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 00:59:37,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 00:59:37,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 00:59:37,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 00:59:37,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 00:59:37,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 00:59:37,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 00:59:37,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 00:59:37,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 00:59:37,670 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 00:59:37,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 00:59:37,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 00:59:37,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 00:59:37,673 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 00:59:37,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 00:59:37,673 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 00:59:37,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 00:59:37,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 00:59:37,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 00:59:37,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 00:59:37,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 00:59:37,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 00:59:37,675 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 00:59:37,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 00:59:37,676 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 00:59:37,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 00:59:37,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 00:59:37,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 00:59:37,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 00:59:37,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 00:59:37,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 00:59:37,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 00:59:37,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 00:59:37,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 00:59:37,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 00:59:37,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 00:59:37,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 00:59:37,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 095737d8fbee9027efb54bd1ca6a270d14b06184 [2021-07-05 00:59:37,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 00:59:37,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 00:59:37,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 00:59:37,976 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 00:59:37,977 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 00:59:37,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test25-2.c [2021-07-05 00:59:38,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2973290bb/6964e6dc0bf84a2582a10f7ad638f7ad/FLAG36a49415b [2021-07-05 00:59:38,417 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 00:59:38,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test25-2.c [2021-07-05 00:59:38,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2973290bb/6964e6dc0bf84a2582a10f7ad638f7ad/FLAG36a49415b [2021-07-05 00:59:38,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2973290bb/6964e6dc0bf84a2582a10f7ad638f7ad [2021-07-05 00:59:38,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 00:59:38,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 00:59:38,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 00:59:38,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 00:59:38,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 00:59:38,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 12:59:38" (1/1) ... [2021-07-05 00:59:38,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5b959f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:59:38, skipping insertion in model container [2021-07-05 00:59:38,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 12:59:38" (1/1) ... [2021-07-05 00:59:38,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 00:59:38,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 00:59:38,598 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/ldv-regression/test25-2.c[949,962] [2021-07-05 00:59:38,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 00:59:38,607 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 00:59:38,628 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/ldv-regression/test25-2.c[949,962] [2021-07-05 00:59:38,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 00:59:38,672 INFO L208 MainTranslator]: Completed translation [2021-07-05 00:59:38,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:59:38 WrapperNode [2021-07-05 00:59:38,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 00:59:38,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 00:59:38,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 00:59:38,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 00:59:38,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:59:38" (1/1) ... [2021-07-05 00:59:38,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:59:38" (1/1) ... [2021-07-05 00:59:38,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 00:59:38,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 00:59:38,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 00:59:38,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 00:59:38,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:59:38" (1/1) ... [2021-07-05 00:59:38,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:59:38" (1/1) ... [2021-07-05 00:59:38,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:59:38" (1/1) ... [2021-07-05 00:59:38,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:59:38" (1/1) ... [2021-07-05 00:59:38,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:59:38" (1/1) ... [2021-07-05 00:59:38,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:59:38" (1/1) ... [2021-07-05 00:59:38,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:59:38" (1/1) ... [2021-07-05 00:59:38,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 00:59:38,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 00:59:38,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 00:59:38,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 00:59:38,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:59:38" (1/1) ... [2021-07-05 00:59:38,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 00:59:38,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 00:59:38,770 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 00:59:38,792 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 00:59:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-07-05 00:59:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 00:59:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-05 00:59:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 00:59:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-05 00:59:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 00:59:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 00:59:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-05 00:59:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 00:59:39,034 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 00:59:39,034 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-05 00:59:39,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 12:59:39 BoogieIcfgContainer [2021-07-05 00:59:39,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 00:59:39,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 00:59:39,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 00:59:39,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 00:59:39,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 12:59:38" (1/3) ... [2021-07-05 00:59:39,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216955fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 12:59:39, skipping insertion in model container [2021-07-05 00:59:39,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:59:38" (2/3) ... [2021-07-05 00:59:39,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216955fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 12:59:39, skipping insertion in model container [2021-07-05 00:59:39,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 12:59:39" (3/3) ... [2021-07-05 00:59:39,046 INFO L111 eAbstractionObserver]: Analyzing ICFG test25-2.c [2021-07-05 00:59:39,050 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 00:59:39,064 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-05 00:59:39,134 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 00:59:39,138 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 00:59:39,139 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 00:59:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:59:39,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-07-05 00:59:39,180 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 00:59:39,181 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 00:59:39,182 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 00:59:39,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 00:59:39,186 INFO L82 PathProgramCache]: Analyzing trace with hash -631347226, now seen corresponding path program 1 times [2021-07-05 00:59:39,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 00:59:39,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125365299] [2021-07-05 00:59:39,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:59:39,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 00:59:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:59:39,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:39,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,336 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 00:59:39,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 00:59:39,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125365299] [2021-07-05 00:59:39,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125365299] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 00:59:39,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 00:59:39,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 00:59:39,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575907300] [2021-07-05 00:59:39,343 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 00:59:39,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 00:59:39,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 00:59:39,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 00:59:39,355 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 00:59:39,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 00:59:39,382 INFO L93 Difference]: Finished difference Result 32 states and 44 transitions. [2021-07-05 00:59:39,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 00:59:39,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 00:59:39,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 00:59:39,388 INFO L225 Difference]: With dead ends: 32 [2021-07-05 00:59:39,389 INFO L226 Difference]: Without dead ends: 15 [2021-07-05 00:59:39,391 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 00:59:39,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-07-05 00:59:39,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-07-05 00:59:39,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:59:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-07-05 00:59:39,414 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 10 [2021-07-05 00:59:39,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 00:59:39,414 INFO L442 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-07-05 00:59:39,415 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 00:59:39,416 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-07-05 00:59:39,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-07-05 00:59:39,416 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 00:59:39,416 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 00:59:39,417 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 00:59:39,417 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 00:59:39,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 00:59:39,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1434190826, now seen corresponding path program 1 times [2021-07-05 00:59:39,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 00:59:39,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110418784] [2021-07-05 00:59:39,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:59:39,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 00:59:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:59:39,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:39,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:39,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 00:59:39,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 00:59:39,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110418784] [2021-07-05 00:59:39,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110418784] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 00:59:39,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089003803] [2021-07-05 00:59:39,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:59:39,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 00:59:39,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 00:59:39,496 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 00:59:39,530 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 00:59:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:59:39,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-05 00:59:39,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 00:59:39,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:39,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:39,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:39,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:39,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:39,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:39,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:39,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:39,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:39,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:39,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 00:59:39,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:39,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:39,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 00:59:39,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:39,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:39,702 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-07-05 00:59:39,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:39,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 00:59:39,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089003803] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 00:59:39,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-05 00:59:39,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-05 00:59:39,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41771608] [2021-07-05 00:59:39,727 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 00:59:39,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 00:59:39,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 00:59:39,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-05 00:59:39,734 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:59:39,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 00:59:39,757 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2021-07-05 00:59:39,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 00:59:39,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-07-05 00:59:39,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 00:59:39,758 INFO L225 Difference]: With dead ends: 26 [2021-07-05 00:59:39,758 INFO L226 Difference]: Without dead ends: 17 [2021-07-05 00:59:39,759 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-07-05 00:59:39,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-07-05 00:59:39,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-07-05 00:59:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:59:39,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2021-07-05 00:59:39,764 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 13 [2021-07-05 00:59:39,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 00:59:39,764 INFO L442 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2021-07-05 00:59:39,764 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:59:39,764 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-07-05 00:59:39,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-07-05 00:59:39,765 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 00:59:39,766 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 00:59:39,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-07-05 00:59:39,983 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 00:59:39,983 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 00:59:39,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 00:59:39,983 INFO L82 PathProgramCache]: Analyzing trace with hash 201480788, now seen corresponding path program 2 times [2021-07-05 00:59:39,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 00:59:39,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281498849] [2021-07-05 00:59:39,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:59:39,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 00:59:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:59:40,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 00:59:40,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 00:59:40,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281498849] [2021-07-05 00:59:40,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281498849] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 00:59:40,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331920035] [2021-07-05 00:59:40,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-07-05 00:59:40,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 00:59:40,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 00:59:40,078 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 00:59:40,079 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 00:59:40,133 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-07-05 00:59:40,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 00:59:40,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-05 00:59:40,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 00:59:40,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 00:59:40,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 00:59:40,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-05 00:59:40,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 00:59:40,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 00:59:40,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 00:59:40,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-05 00:59:40,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 00:59:40,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-05 00:59:40,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 00:59:40,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-05 00:59:40,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 00:59:40,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-05 00:59:40,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,266 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 00:59:40,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-05 00:59:40,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 00:59:40,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-05 00:59:40,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,289 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-05 00:59:40,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-05 00:59:40,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 00:59:40,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-05 00:59:40,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-05 00:59:40,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-05 00:59:40,317 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-07-05 00:59:40,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 12 [2021-07-05 00:59:40,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 00:59:40,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 00:59:40,321 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-05 00:59:40,324 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:40,325 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-05 00:59:40,325 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:37, output treesize:9 [2021-07-05 00:59:40,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:40,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:40,336 INFO L142 QuantifierPusher]: treesize reduction 13, result has 7.1 percent of original size [2021-07-05 00:59:40,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-05 00:59:40,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331920035] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 00:59:40,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-05 00:59:40,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2021-07-05 00:59:40,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303634191] [2021-07-05 00:59:40,344 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 00:59:40,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 00:59:40,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 00:59:40,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-05 00:59:40,345 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) 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 00:59:40,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 00:59:40,401 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2021-07-05 00:59:40,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 00:59:40,402 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) 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 15 [2021-07-05 00:59:40,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 00:59:40,402 INFO L225 Difference]: With dead ends: 23 [2021-07-05 00:59:40,403 INFO L226 Difference]: Without dead ends: 18 [2021-07-05 00:59:40,403 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 60.3ms TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-07-05 00:59:40,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-07-05 00:59:40,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-07-05 00:59:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:59:40,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-07-05 00:59:40,406 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 15 [2021-07-05 00:59:40,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 00:59:40,406 INFO L442 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-07-05 00:59:40,406 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.1666666666666665) 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 00:59:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-07-05 00:59:40,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-07-05 00:59:40,407 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 00:59:40,407 INFO L525 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 00:59:40,425 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 00:59:40,617 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-07-05 00:59:40,618 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 00:59:40,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 00:59:40,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1859304665, now seen corresponding path program 1 times [2021-07-05 00:59:40,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 00:59:40,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762384292] [2021-07-05 00:59:40,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:59:40,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 00:59:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:59:40,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-05 00:59:40,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 00:59:40,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762384292] [2021-07-05 00:59:40,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762384292] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 00:59:40,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581353237] [2021-07-05 00:59:40,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:59:40,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 00:59:40,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 00:59:40,690 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 00:59:40,691 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 00:59:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:59:40,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-05 00:59:40,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 00:59:40,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:40,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 00:59:40,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:40,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 00:59:40,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:40,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 00:59:40,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:40,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:40,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 00:59:40,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:40,771 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-07-05 00:59:40,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:40,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:40,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-05 00:59:40,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581353237] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 00:59:40,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-05 00:59:40,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-05 00:59:40,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981912336] [2021-07-05 00:59:40,789 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 00:59:40,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 00:59:40,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 00:59:40,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-05 00:59:40,790 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 00:59:40,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 00:59:40,806 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2021-07-05 00:59:40,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 00:59:40,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-07-05 00:59:40,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 00:59:40,807 INFO L225 Difference]: With dead ends: 32 [2021-07-05 00:59:40,807 INFO L226 Difference]: Without dead ends: 21 [2021-07-05 00:59:40,807 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-07-05 00:59:40,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-07-05 00:59:40,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-07-05 00:59:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:59:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2021-07-05 00:59:40,810 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 17 [2021-07-05 00:59:40,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 00:59:40,810 INFO L442 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-07-05 00:59:40,810 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 00:59:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-07-05 00:59:40,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-07-05 00:59:40,811 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 00:59:40,811 INFO L525 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 00:59:40,831 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 00:59:41,031 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 00:59:41,031 INFO L374 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 00:59:41,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 00:59:41,031 INFO L82 PathProgramCache]: Analyzing trace with hash 291228695, now seen corresponding path program 2 times [2021-07-05 00:59:41,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 00:59:41,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316247901] [2021-07-05 00:59:41,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:59:41,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 00:59:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:59:41,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-05 00:59:41,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 00:59:41,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316247901] [2021-07-05 00:59:41,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316247901] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 00:59:41,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575530720] [2021-07-05 00:59:41,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-07-05 00:59:41,091 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 00:59:41,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 00:59:41,096 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 00:59:41,100 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 00:59:41,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-05 00:59:41,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 00:59:41,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-05 00:59:41,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 00:59:41,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:41,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 00:59:41,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:41,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 00:59:41,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:41,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 00:59:41,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:41,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 00:59:41,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:41,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 00:59:41,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 00:59:41,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 00:59:41,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,216 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-07-05 00:59:41,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,240 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-05 00:59:41,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575530720] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 00:59:41,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-05 00:59:41,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-05 00:59:41,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939318851] [2021-07-05 00:59:41,241 INFO L425 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-05 00:59:41,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 00:59:41,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-05 00:59:41,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-07-05 00:59:41,242 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:59:41,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 00:59:41,263 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2021-07-05 00:59:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 00:59:41,264 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-07-05 00:59:41,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 00:59:41,264 INFO L225 Difference]: With dead ends: 34 [2021-07-05 00:59:41,264 INFO L226 Difference]: Without dead ends: 23 [2021-07-05 00:59:41,265 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 14.6ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-07-05 00:59:41,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-07-05 00:59:41,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-07-05 00:59:41,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:59:41,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2021-07-05 00:59:41,267 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 19 [2021-07-05 00:59:41,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 00:59:41,268 INFO L442 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-07-05 00:59:41,268 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:59:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-07-05 00:59:41,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-07-05 00:59:41,268 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 00:59:41,269 INFO L525 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 00:59:41,288 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 00:59:41,488 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 00:59:41,488 INFO L374 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 00:59:41,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 00:59:41,489 INFO L82 PathProgramCache]: Analyzing trace with hash 903742421, now seen corresponding path program 3 times [2021-07-05 00:59:41,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 00:59:41,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465734903] [2021-07-05 00:59:41,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:59:41,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 00:59:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:59:41,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-05 00:59:41,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 00:59:41,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465734903] [2021-07-05 00:59:41,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465734903] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 00:59:41,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385063345] [2021-07-05 00:59:41,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-07-05 00:59:41,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 00:59:41,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 00:59:41,567 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 00:59:41,568 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 00:59:41,617 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-05 00:59:41,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 00:59:41,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-05 00:59:41,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 00:59:41,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 00:59:41,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 00:59:41,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-05 00:59:41,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 00:59:41,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 00:59:41,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-05 00:59:41,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 00:59:41,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-05 00:59:41,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-05 00:59:41,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-05 00:59:41,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:59:41,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:59:41,673 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-05 00:59:41,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-05 00:59:41,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 00:59:41,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 00:59:41,694 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-05 00:59:41,703 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 00:59:41,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-05 00:59:41,707 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:46, output treesize:20 [2021-07-05 00:59:41,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 00:59:41,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 00:59:41,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 00:59:41,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 00:59:41,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 00:59:41,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 00:59:41,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-05 00:59:41,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-05 00:59:41,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-05 00:59:41,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-05 00:59:41,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 00:59:41,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-05 00:59:41,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 00:59:41,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-05 00:59:41,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-05 00:59:41,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-05 00:59:41,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-05 00:59:41,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-05 00:59:41,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-05 00:59:41,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-05 00:59:41,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 00:59:41,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-05 00:59:41,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 00:59:41,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-05 00:59:41,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-05 00:59:41,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-05 00:59:41,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-07-05 00:59:41,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-05 00:59:41,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-05 00:59:41,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,828 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 00:59:41,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:59:41,835 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,837 INFO L142 QuantifierPusher]: treesize reduction 36, result has 69.5 percent of original size [2021-07-05 00:59:41,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:59:41,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:59:41,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:59:41,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 00:59:41,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 00:59:41,869 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-07-05 00:59:41,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:59:41,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:59:41,872 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-05 00:59:41,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385063345] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-05 00:59:41,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-05 00:59:41,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-07-05 00:59:41,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664810422] [2021-07-05 00:59:41,872 INFO L425 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-05 00:59:41,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 00:59:41,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-05 00:59:41,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-07-05 00:59:41,873 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:59:42,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 00:59:42,127 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2021-07-05 00:59:42,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-05 00:59:42,127 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-07-05 00:59:42,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 00:59:42,127 INFO L225 Difference]: With dead ends: 34 [2021-07-05 00:59:42,127 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 00:59:42,128 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 282.8ms TimeCoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2021-07-05 00:59:42,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 00:59:42,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 00:59:42,128 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 00:59:42,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 00:59:42,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-07-05 00:59:42,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 00:59:42,129 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 00:59:42,129 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.2) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:59:42,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 00:59:42,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 00:59:42,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 00:59:42,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:59:42,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:59:42,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:59:42,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:59:42,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 00:59:42,184 INFO L758 garLoopResultBuilder]: At program point L19(lines 17 20) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#cont~0.base|) |ULTIMATE.start_main_~#cont~0.offset|)) (.cse0 (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#cont~0.base|) |ULTIMATE.start_main_~#cont~0.offset|)))) (let ((.cse2 (select (select |#memory_int| .cse1) .cse0))) (and (<= 1 |ULTIMATE.start_check_#res|) (= ULTIMATE.start_main_~pa~0.offset .cse0) (= ULTIMATE.start_main_~pa~0.base .cse1) (<= .cse2 ULTIMATE.start_main_~i~0) (< ULTIMATE.start_main_~i~0 (+ .cse2 1)) (= |ULTIMATE.start_main_~#cont~0.offset| 0)))) [2021-07-05 00:59:42,185 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 00:59:42,185 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 00:59:42,185 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 00:59:42,185 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 50) no Hoare annotation was computed. [2021-07-05 00:59:42,185 INFO L762 garLoopResultBuilder]: For program point L37(lines 37 45) no Hoare annotation was computed. [2021-07-05 00:59:42,185 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 00:59:42,185 INFO L762 garLoopResultBuilder]: For program point L29-2(lines 29 32) no Hoare annotation was computed. [2021-07-05 00:59:42,185 INFO L758 garLoopResultBuilder]: At program point L29-3(lines 29 32) the Hoare annotation is: (= |ULTIMATE.start_main_~#cont~0.offset| 0) [2021-07-05 00:59:42,185 INFO L762 garLoopResultBuilder]: For program point L29-4(lines 23 52) no Hoare annotation was computed. [2021-07-05 00:59:42,186 INFO L762 garLoopResultBuilder]: For program point L42(lines 42 44) no Hoare annotation was computed. [2021-07-05 00:59:42,186 INFO L762 garLoopResultBuilder]: For program point L34(lines 34 46) no Hoare annotation was computed. [2021-07-05 00:59:42,186 INFO L765 garLoopResultBuilder]: At program point L51(lines 22 52) the Hoare annotation is: true [2021-07-05 00:59:42,186 INFO L758 garLoopResultBuilder]: At program point L43(lines 23 52) the Hoare annotation is: false [2021-07-05 00:59:42,186 INFO L762 garLoopResultBuilder]: For program point L39-1(lines 39 41) no Hoare annotation was computed. [2021-07-05 00:59:42,186 INFO L758 garLoopResultBuilder]: At program point L39-3(lines 39 41) the Hoare annotation is: (and (< ULTIMATE.start_main_~i~0 (+ (select (select |#memory_int| ULTIMATE.start_main_~pa~0.base) ULTIMATE.start_main_~pa~0.offset) 1)) (= ULTIMATE.start_main_~pa~0.offset (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#cont~0.base|) |ULTIMATE.start_main_~#cont~0.offset|))) (= ULTIMATE.start_main_~pa~0.base (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#cont~0.base|) |ULTIMATE.start_main_~#cont~0.offset|)) (= |ULTIMATE.start_main_~#cont~0.offset| 0)) [2021-07-05 00:59:42,186 INFO L762 garLoopResultBuilder]: For program point L39-4(lines 39 41) no Hoare annotation was computed. [2021-07-05 00:59:42,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-07-05 00:59:42,404 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 00:59:42,404 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 00:59:42,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 12:59:42 BoogieIcfgContainer [2021-07-05 00:59:42,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 00:59:42,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 00:59:42,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 00:59:42,421 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 00:59:42,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 12:59:39" (3/4) ... [2021-07-05 00:59:42,423 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 00:59:42,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-07-05 00:59:42,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-07-05 00:59:42,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 00:59:42,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 00:59:42,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= \result && pa == 4 + #memory_$Pointer$[cont][cont]) && pa == #memory_$Pointer$[cont][cont]) && unknown-#memory_int-unknown[#memory_$Pointer$[cont][cont]][4 + #memory_$Pointer$[cont][cont]] <= i) && i < unknown-#memory_int-unknown[#memory_$Pointer$[cont][cont]][4 + #memory_$Pointer$[cont][cont]] + 1) && cont == 0 [2021-07-05 00:59:42,458 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 00:59:42,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 00:59:42,459 INFO L168 Benchmark]: Toolchain (without parser) took 4009.76 ms. Allocated memory was 71.3 MB in the beginning and 113.2 MB in the end (delta: 41.9 MB). Free memory was 56.1 MB in the beginning and 57.0 MB in the end (delta: -851.7 kB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB. [2021-07-05 00:59:42,459 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 71.3 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 00:59:42,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.22 ms. Allocated memory is still 71.3 MB. Free memory was 55.9 MB in the beginning and 56.1 MB in the end (delta: -192.4 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-05 00:59:42,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.28 ms. Allocated memory is still 71.3 MB. Free memory was 55.8 MB in the beginning and 54.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 00:59:42,460 INFO L168 Benchmark]: Boogie Preprocessor took 33.36 ms. Allocated memory is still 71.3 MB. Free memory was 54.4 MB in the beginning and 52.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 00:59:42,460 INFO L168 Benchmark]: RCFGBuilder took 283.08 ms. Allocated memory is still 71.3 MB. Free memory was 52.9 MB in the beginning and 37.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-07-05 00:59:42,460 INFO L168 Benchmark]: TraceAbstraction took 3384.57 ms. Allocated memory was 71.3 MB in the beginning and 113.2 MB in the end (delta: 41.9 MB). Free memory was 36.5 MB in the beginning and 60.1 MB in the end (delta: -23.7 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-07-05 00:59:42,460 INFO L168 Benchmark]: Witness Printer took 37.92 ms. Allocated memory is still 113.2 MB. Free memory was 60.1 MB in the beginning and 57.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 00:59:42,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 71.3 MB. Free memory is still 54.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 228.22 ms. Allocated memory is still 71.3 MB. Free memory was 55.9 MB in the beginning and 56.1 MB in the end (delta: -192.4 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.28 ms. Allocated memory is still 71.3 MB. Free memory was 55.8 MB in the beginning and 54.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.36 ms. Allocated memory is still 71.3 MB. Free memory was 54.4 MB in the beginning and 52.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 283.08 ms. Allocated memory is still 71.3 MB. Free memory was 52.9 MB in the beginning and 37.0 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3384.57 ms. Allocated memory was 71.3 MB in the beginning and 113.2 MB in the end (delta: 41.9 MB). Free memory was 36.5 MB in the beginning and 60.1 MB in the end (delta: -23.7 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * Witness Printer took 37.92 ms. Allocated memory is still 113.2 MB. Free memory was 60.1 MB in the beginning and 57.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * 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 - PositiveResult [Line: 50]: 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3274.3ms, OverallIterations: 6, TraceHistogramMax: 4, EmptinessCheckTime: 33.2ms, AutomataDifference: 433.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 52.2ms, InitialAbstractionConstructionTime: 6.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 67 SDtfs, 34 SDslu, 147 SDs, 0 SdLazy, 194 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 148.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 387.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=5, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 26.7ms AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 14 NumberOfFragments, 93 HoareAnnotationTreeSize, 5 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 12.6ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 48 FormulaSimplificationTreeSizeReductionInter, 34.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 64.5ms SsaConstructionTime, 321.2ms SatisfiabilityAnalysisTime, 918.8ms InterpolantComputationTime, 180 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 169 ConstructedInterpolants, 1 QuantifiedInterpolants, 517 SizeOfPredicates, 26 NumberOfNonLiveVariables, 569 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 31/80 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: cont == 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant [2021-07-05 00:59:42,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,466 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((1 <= \result && pa == 4 + #memory_$Pointer$[cont][cont]) && pa == #memory_$Pointer$[cont][cont]) && unknown-#memory_int-unknown[#memory_$Pointer$[cont][cont]][4 + #memory_$Pointer$[cont][cont]] <= i) && i < unknown-#memory_int-unknown[#memory_$Pointer$[cont][cont]][4 + #memory_$Pointer$[cont][cont]] + 1) && cont == 0 - InvariantResult [Line: 39]: Loop Invariant [2021-07-05 00:59:42,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-07-05 00:59:42,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-07-05 00:59:42,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((i < unknown-#memory_int-unknown[pa][pa] + 1 && pa == 4 + #memory_$Pointer$[cont][cont]) && pa == #memory_$Pointer$[cont][cont]) && cont == 0 RESULT: Ultimate proved your program to be correct! [2021-07-05 00:59:42,504 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...