./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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/eca-rers2012/Problem02_label02.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 203014188672df6ecb5502efd1e8042fd4aedfd2 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 03:46:15,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 03:46:15,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 03:46:15,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 03:46:15,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 03:46:15,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 03:46:15,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 03:46:15,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 03:46:15,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 03:46:15,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 03:46:15,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 03:46:15,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 03:46:15,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 03:46:15,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 03:46:15,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 03:46:15,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 03:46:15,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 03:46:15,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 03:46:15,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 03:46:15,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 03:46:15,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 03:46:15,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 03:46:15,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 03:46:15,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 03:46:15,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 03:46:15,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 03:46:15,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 03:46:15,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 03:46:15,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 03:46:15,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 03:46:15,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 03:46:15,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 03:46:15,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 03:46:15,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 03:46:15,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 03:46:15,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 03:46:15,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 03:46:15,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 03:46:15,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 03:46:15,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 03:46:15,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 03:46:15,597 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 03:46:15,615 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 03:46:15,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 03:46:15,615 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 03:46:15,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 03:46:15,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 03:46:15,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 03:46:15,617 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 03:46:15,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 03:46:15,617 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 03:46:15,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 03:46:15,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 03:46:15,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 03:46:15,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 03:46:15,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 03:46:15,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 03:46:15,618 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 03:46:15,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 03:46:15,618 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 03:46:15,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 03:46:15,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 03:46:15,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 03:46:15,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 03:46:15,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:46:15,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 03:46:15,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 03:46:15,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 03:46:15,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 03:46:15,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 03:46:15,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 03:46:15,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 03:46:15,629 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 203014188672df6ecb5502efd1e8042fd4aedfd2 [2021-08-29 03:46:15,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 03:46:15,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 03:46:15,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 03:46:15,912 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 03:46:15,913 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 03:46:15,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2021-08-29 03:46:15,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf9b0338d/4b6d0d01f8fe4f7aa827c2930d1e884b/FLAG4b74f3e7d [2021-08-29 03:46:16,331 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 03:46:16,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2021-08-29 03:46:16,342 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf9b0338d/4b6d0d01f8fe4f7aa827c2930d1e884b/FLAG4b74f3e7d [2021-08-29 03:46:16,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf9b0338d/4b6d0d01f8fe4f7aa827c2930d1e884b [2021-08-29 03:46:16,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 03:46:16,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 03:46:16,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 03:46:16,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 03:46:16,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 03:46:16,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:46:16" (1/1) ... [2021-08-29 03:46:16,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5455eecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:16, skipping insertion in model container [2021-08-29 03:46:16,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:46:16" (1/1) ... [2021-08-29 03:46:16,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 03:46:16,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 03:46:16,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label02.c[15989,16002] [2021-08-29 03:46:16,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:46:16,725 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 03:46:16,778 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label02.c[15989,16002] [2021-08-29 03:46:16,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:46:16,812 INFO L208 MainTranslator]: Completed translation [2021-08-29 03:46:16,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:16 WrapperNode [2021-08-29 03:46:16,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 03:46:16,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 03:46:16,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 03:46:16,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 03:46:16,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:16" (1/1) ... [2021-08-29 03:46:16,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:16" (1/1) ... [2021-08-29 03:46:16,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 03:46:16,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 03:46:16,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 03:46:16,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 03:46:16,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:16" (1/1) ... [2021-08-29 03:46:16,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:16" (1/1) ... [2021-08-29 03:46:16,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:16" (1/1) ... [2021-08-29 03:46:16,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:16" (1/1) ... [2021-08-29 03:46:16,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:16" (1/1) ... [2021-08-29 03:46:16,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:16" (1/1) ... [2021-08-29 03:46:16,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:16" (1/1) ... [2021-08-29 03:46:16,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 03:46:16,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 03:46:16,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 03:46:16,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 03:46:16,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:16" (1/1) ... [2021-08-29 03:46:16,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:46:16,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:46:16,991 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) [2021-08-29 03:46:17,009 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 [2021-08-29 03:46:17,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 03:46:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 03:46:17,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 03:46:17,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 03:46:17,371 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 03:46:17,371 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-29 03:46:17,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:46:17 BoogieIcfgContainer [2021-08-29 03:46:17,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 03:46:17,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 03:46:17,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 03:46:17,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 03:46:17,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:46:16" (1/3) ... [2021-08-29 03:46:17,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a180b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:46:17, skipping insertion in model container [2021-08-29 03:46:17,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:16" (2/3) ... [2021-08-29 03:46:17,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a180b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:46:17, skipping insertion in model container [2021-08-29 03:46:17,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:46:17" (3/3) ... [2021-08-29 03:46:17,378 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label02.c [2021-08-29 03:46:17,382 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 03:46:17,382 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 03:46:17,420 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 03:46:17,426 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 03:46:17,426 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 03:46:17,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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) [2021-08-29 03:46:17,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-08-29 03:46:17,448 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:46:17,448 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:46:17,449 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:46:17,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:46:17,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1717349669, now seen corresponding path program 1 times [2021-08-29 03:46:17,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:46:17,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869182368] [2021-08-29 03:46:17,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:46:17,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:46:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:46:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:46:17,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:46:17,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869182368] [2021-08-29 03:46:17,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869182368] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:46:17,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:46:17,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:46:17,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660163915] [2021-08-29 03:46:17,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:46:17,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:46:17,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:46:17,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:17,730 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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 31.0) internal successors, (93), 2 states have internal predecessors, (93), 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) [2021-08-29 03:46:18,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:46:18,297 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2021-08-29 03:46:18,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:46:18,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 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 93 [2021-08-29 03:46:18,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:46:18,314 INFO L225 Difference]: With dead ends: 630 [2021-08-29 03:46:18,314 INFO L226 Difference]: Without dead ends: 318 [2021-08-29 03:46:18,319 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.97ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:18,323 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 137 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 400.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.47ms SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 524.03ms IncrementalHoareTripleChecker+Time [2021-08-29 03:46:18,324 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 0 Invalid, 679 Unknown, 0 Unchecked, 4.47ms Time], IncrementalHoareTripleChecker [68 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 524.03ms Time] [2021-08-29 03:46:18,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-08-29 03:46:18,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2021-08-29 03:46:18,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.473186119873817) internal successors, (467), 317 states have internal predecessors, (467), 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) [2021-08-29 03:46:18,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2021-08-29 03:46:18,385 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 93 [2021-08-29 03:46:18,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:46:18,386 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2021-08-29 03:46:18,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 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) [2021-08-29 03:46:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2021-08-29 03:46:18,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-08-29 03:46:18,393 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:46:18,394 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:46:18,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 03:46:18,394 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:46:18,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:46:18,395 INFO L82 PathProgramCache]: Analyzing trace with hash -317427888, now seen corresponding path program 1 times [2021-08-29 03:46:18,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:46:18,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961441142] [2021-08-29 03:46:18,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:46:18,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:46:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:46:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:46:18,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:46:18,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961441142] [2021-08-29 03:46:18,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961441142] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:46:18,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:46:18,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:46:18,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491199074] [2021-08-29 03:46:18,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:46:18,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:46:18,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:46:18,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:46:18,603 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 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) [2021-08-29 03:46:19,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:46:19,269 INFO L93 Difference]: Finished difference Result 999 states and 1508 transitions. [2021-08-29 03:46:19,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:46:19,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 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 97 [2021-08-29 03:46:19,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:46:19,272 INFO L225 Difference]: With dead ends: 999 [2021-08-29 03:46:19,272 INFO L226 Difference]: Without dead ends: 600 [2021-08-29 03:46:19,272 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.99ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:46:19,273 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 172 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 517.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.20ms SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 637.83ms IncrementalHoareTripleChecker+Time [2021-08-29 03:46:19,274 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 0 Invalid, 913 Unknown, 0 Unchecked, 3.20ms Time], IncrementalHoareTripleChecker [135 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 637.83ms Time] [2021-08-29 03:46:19,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2021-08-29 03:46:19,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2021-08-29 03:46:19,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.357262103505843) internal successors, (813), 599 states have internal predecessors, (813), 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) [2021-08-29 03:46:19,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 813 transitions. [2021-08-29 03:46:19,286 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 813 transitions. Word has length 97 [2021-08-29 03:46:19,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:46:19,286 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 813 transitions. [2021-08-29 03:46:19,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 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) [2021-08-29 03:46:19,286 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 813 transitions. [2021-08-29 03:46:19,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-08-29 03:46:19,288 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:46:19,288 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:46:19,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 03:46:19,289 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:46:19,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:46:19,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1573604474, now seen corresponding path program 1 times [2021-08-29 03:46:19,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:46:19,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757330604] [2021-08-29 03:46:19,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:46:19,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:46:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:46:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:46:19,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:46:19,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757330604] [2021-08-29 03:46:19,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757330604] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:46:19,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:46:19,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:46:19,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012390011] [2021-08-29 03:46:19,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:46:19,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:46:19,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:46:19,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:19,327 INFO L87 Difference]: Start difference. First operand 600 states and 813 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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) [2021-08-29 03:46:19,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:46:19,683 INFO L93 Difference]: Finished difference Result 1781 states and 2418 transitions. [2021-08-29 03:46:19,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:46:19,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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 111 [2021-08-29 03:46:19,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:46:19,687 INFO L225 Difference]: With dead ends: 1781 [2021-08-29 03:46:19,687 INFO L226 Difference]: Without dead ends: 1183 [2021-08-29 03:46:19,687 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.30ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:19,688 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 158 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 266.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.51ms SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 335.44ms IncrementalHoareTripleChecker+Time [2021-08-29 03:46:19,689 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 0 Invalid, 528 Unknown, 0 Unchecked, 1.51ms Time], IncrementalHoareTripleChecker [59 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 335.44ms Time] [2021-08-29 03:46:19,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2021-08-29 03:46:19,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1173. [2021-08-29 03:46:19,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1172 states have (on average 1.3114334470989761) internal successors, (1537), 1172 states have internal predecessors, (1537), 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) [2021-08-29 03:46:19,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1537 transitions. [2021-08-29 03:46:19,704 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1537 transitions. Word has length 111 [2021-08-29 03:46:19,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:46:19,705 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 1537 transitions. [2021-08-29 03:46:19,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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) [2021-08-29 03:46:19,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1537 transitions. [2021-08-29 03:46:19,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-08-29 03:46:19,707 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:46:19,707 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:46:19,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 03:46:19,707 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:46:19,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:46:19,708 INFO L82 PathProgramCache]: Analyzing trace with hash -77950967, now seen corresponding path program 1 times [2021-08-29 03:46:19,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:46:19,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546229643] [2021-08-29 03:46:19,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:46:19,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:46:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:46:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:46:19,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:46:19,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546229643] [2021-08-29 03:46:19,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546229643] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:46:19,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:46:19,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:46:19,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052316700] [2021-08-29 03:46:19,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:46:19,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:46:19,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:46:19,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:19,757 INFO L87 Difference]: Start difference. First operand 1173 states and 1537 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 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) [2021-08-29 03:46:20,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:46:20,121 INFO L93 Difference]: Finished difference Result 3329 states and 4387 transitions. [2021-08-29 03:46:20,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:46:20,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 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 117 [2021-08-29 03:46:20,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:46:20,127 INFO L225 Difference]: With dead ends: 3329 [2021-08-29 03:46:20,127 INFO L226 Difference]: Without dead ends: 2158 [2021-08-29 03:46:20,128 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.28ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:20,129 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 124 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 263.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.28ms SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 336.51ms IncrementalHoareTripleChecker+Time [2021-08-29 03:46:20,130 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 0 Invalid, 574 Unknown, 0 Unchecked, 1.28ms Time], IncrementalHoareTripleChecker [77 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 336.51ms Time] [2021-08-29 03:46:20,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2021-08-29 03:46:20,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2155. [2021-08-29 03:46:20,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 2154 states have (on average 1.1996285979572887) internal successors, (2584), 2154 states have internal predecessors, (2584), 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) [2021-08-29 03:46:20,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2584 transitions. [2021-08-29 03:46:20,176 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2584 transitions. Word has length 117 [2021-08-29 03:46:20,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:46:20,176 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2584 transitions. [2021-08-29 03:46:20,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 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) [2021-08-29 03:46:20,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2584 transitions. [2021-08-29 03:46:20,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-08-29 03:46:20,179 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:46:20,179 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:46:20,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 03:46:20,179 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:46:20,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:46:20,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1454931417, now seen corresponding path program 1 times [2021-08-29 03:46:20,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:46:20,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832320312] [2021-08-29 03:46:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:46:20,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:46:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:46:20,272 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:46:20,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:46:20,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832320312] [2021-08-29 03:46:20,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832320312] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:46:20,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426808079] [2021-08-29 03:46:20,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:46:20,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:46:20,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:46:20,274 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) [2021-08-29 03:46:20,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 03:46:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:46:20,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 03:46:20,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:46:20,609 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-29 03:46:20,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:46:20,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426808079] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:46:20,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 03:46:20,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-29 03:46:20,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737599791] [2021-08-29 03:46:20,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:46:20,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:46:20,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:46:20,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:46:20,612 INFO L87 Difference]: Start difference. First operand 2155 states and 2584 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2021-08-29 03:46:21,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:46:21,022 INFO L93 Difference]: Finished difference Result 5309 states and 6449 transitions. [2021-08-29 03:46:21,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:46:21,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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 120 [2021-08-29 03:46:21,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:46:21,030 INFO L225 Difference]: With dead ends: 5309 [2021-08-29 03:46:21,030 INFO L226 Difference]: Without dead ends: 3156 [2021-08-29 03:46:21,032 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 14.78ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:46:21,033 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 73 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 289.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.25ms SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 366.53ms IncrementalHoareTripleChecker+Time [2021-08-29 03:46:21,033 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 0 Invalid, 685 Unknown, 0 Unchecked, 1.25ms Time], IncrementalHoareTripleChecker [63 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 366.53ms Time] [2021-08-29 03:46:21,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3156 states. [2021-08-29 03:46:21,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3156 to 2876. [2021-08-29 03:46:21,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2875 states have (on average 1.1815652173913043) internal successors, (3397), 2875 states have internal predecessors, (3397), 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) [2021-08-29 03:46:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 3397 transitions. [2021-08-29 03:46:21,066 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 3397 transitions. Word has length 120 [2021-08-29 03:46:21,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:46:21,067 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 3397 transitions. [2021-08-29 03:46:21,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2021-08-29 03:46:21,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3397 transitions. [2021-08-29 03:46:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-08-29 03:46:21,070 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:46:21,070 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:46:21,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 03:46:21,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:46:21,286 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:46:21,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:46:21,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1204169373, now seen corresponding path program 1 times [2021-08-29 03:46:21,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:46:21,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987586312] [2021-08-29 03:46:21,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:46:21,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:46:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:46:21,320 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-29 03:46:21,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:46:21,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987586312] [2021-08-29 03:46:21,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987586312] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:46:21,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:46:21,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:46:21,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376400376] [2021-08-29 03:46:21,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:46:21,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:46:21,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:46:21,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:21,322 INFO L87 Difference]: Start difference. First operand 2876 states and 3397 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2021-08-29 03:46:21,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:46:21,712 INFO L93 Difference]: Finished difference Result 6735 states and 8084 transitions. [2021-08-29 03:46:21,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:46:21,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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 146 [2021-08-29 03:46:21,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:46:21,720 INFO L225 Difference]: With dead ends: 6735 [2021-08-29 03:46:21,720 INFO L226 Difference]: Without dead ends: 3861 [2021-08-29 03:46:21,722 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.31ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:21,723 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 152 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 283.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.49ms SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 359.06ms IncrementalHoareTripleChecker+Time [2021-08-29 03:46:21,723 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [152 Valid, 0 Invalid, 527 Unknown, 0 Unchecked, 1.49ms Time], IncrementalHoareTripleChecker [118 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 359.06ms Time] [2021-08-29 03:46:21,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2021-08-29 03:46:21,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3714. [2021-08-29 03:46:21,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3714 states, 3713 states have (on average 1.2006463775922436) internal successors, (4458), 3713 states have internal predecessors, (4458), 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) [2021-08-29 03:46:21,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3714 states and 4458 transitions. [2021-08-29 03:46:21,762 INFO L78 Accepts]: Start accepts. Automaton has 3714 states and 4458 transitions. Word has length 146 [2021-08-29 03:46:21,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:46:21,762 INFO L470 AbstractCegarLoop]: Abstraction has 3714 states and 4458 transitions. [2021-08-29 03:46:21,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2021-08-29 03:46:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3714 states and 4458 transitions. [2021-08-29 03:46:21,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-08-29 03:46:21,766 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:46:21,766 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:46:21,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 03:46:21,766 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:46:21,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:46:21,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1012722605, now seen corresponding path program 1 times [2021-08-29 03:46:21,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:46:21,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841742957] [2021-08-29 03:46:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:46:21,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:46:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:46:21,797 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-29 03:46:21,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:46:21,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841742957] [2021-08-29 03:46:21,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841742957] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:46:21,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:46:21,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:46:21,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866727498] [2021-08-29 03:46:21,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:46:21,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:46:21,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:46:21,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:21,799 INFO L87 Difference]: Start difference. First operand 3714 states and 4458 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2021-08-29 03:46:22,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:46:22,185 INFO L93 Difference]: Finished difference Result 7573 states and 9006 transitions. [2021-08-29 03:46:22,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:46:22,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 150 [2021-08-29 03:46:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:46:22,193 INFO L225 Difference]: With dead ends: 7573 [2021-08-29 03:46:22,193 INFO L226 Difference]: Without dead ends: 3581 [2021-08-29 03:46:22,197 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.39ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:22,197 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 136 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 276.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.54ms SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 351.97ms IncrementalHoareTripleChecker+Time [2021-08-29 03:46:22,198 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 0 Invalid, 699 Unknown, 0 Unchecked, 1.54ms Time], IncrementalHoareTripleChecker [59 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 351.97ms Time] [2021-08-29 03:46:22,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3581 states. [2021-08-29 03:46:22,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3581 to 3283. [2021-08-29 03:46:22,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 3282 states have (on average 1.154174283973187) internal successors, (3788), 3282 states have internal predecessors, (3788), 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) [2021-08-29 03:46:22,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 3788 transitions. [2021-08-29 03:46:22,257 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 3788 transitions. Word has length 150 [2021-08-29 03:46:22,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:46:22,257 INFO L470 AbstractCegarLoop]: Abstraction has 3283 states and 3788 transitions. [2021-08-29 03:46:22,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2021-08-29 03:46:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 3788 transitions. [2021-08-29 03:46:22,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-08-29 03:46:22,260 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:46:22,261 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:46:22,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 03:46:22,261 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:46:22,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:46:22,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1515050692, now seen corresponding path program 1 times [2021-08-29 03:46:22,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:46:22,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871950845] [2021-08-29 03:46:22,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:46:22,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:46:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:46:22,291 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-08-29 03:46:22,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:46:22,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871950845] [2021-08-29 03:46:22,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871950845] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:46:22,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:46:22,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:46:22,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565608424] [2021-08-29 03:46:22,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:46:22,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:46:22,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:46:22,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:22,293 INFO L87 Difference]: Start difference. First operand 3283 states and 3788 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2021-08-29 03:46:22,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:46:22,647 INFO L93 Difference]: Finished difference Result 6260 states and 7221 transitions. [2021-08-29 03:46:22,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:46:22,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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 159 [2021-08-29 03:46:22,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:46:22,652 INFO L225 Difference]: With dead ends: 6260 [2021-08-29 03:46:22,652 INFO L226 Difference]: Without dead ends: 2279 [2021-08-29 03:46:22,655 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.19ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:22,656 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 136 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 254.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.14ms SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 323.76ms IncrementalHoareTripleChecker+Time [2021-08-29 03:46:22,656 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 0 Invalid, 643 Unknown, 0 Unchecked, 1.14ms Time], IncrementalHoareTripleChecker [62 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 323.76ms Time] [2021-08-29 03:46:22,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2021-08-29 03:46:22,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2139. [2021-08-29 03:46:22,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 2138 states have (on average 1.1000935453695042) internal successors, (2352), 2138 states have internal predecessors, (2352), 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) [2021-08-29 03:46:22,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2352 transitions. [2021-08-29 03:46:22,678 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2352 transitions. Word has length 159 [2021-08-29 03:46:22,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:46:22,679 INFO L470 AbstractCegarLoop]: Abstraction has 2139 states and 2352 transitions. [2021-08-29 03:46:22,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 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) [2021-08-29 03:46:22,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2352 transitions. [2021-08-29 03:46:22,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-08-29 03:46:22,682 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:46:22,682 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:46:22,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 03:46:22,682 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:46:22,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:46:22,683 INFO L82 PathProgramCache]: Analyzing trace with hash -156969243, now seen corresponding path program 1 times [2021-08-29 03:46:22,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:46:22,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072533087] [2021-08-29 03:46:22,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:46:22,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:46:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:46:22,769 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-29 03:46:22,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:46:22,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072533087] [2021-08-29 03:46:22,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072533087] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:46:22,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:46:22,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:46:22,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638573993] [2021-08-29 03:46:22,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:46:22,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:46:22,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:46:22,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:22,771 INFO L87 Difference]: Start difference. First operand 2139 states and 2352 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2021-08-29 03:46:23,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:46:23,152 INFO L93 Difference]: Finished difference Result 4560 states and 5013 transitions. [2021-08-29 03:46:23,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:46:23,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 200 [2021-08-29 03:46:23,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:46:23,158 INFO L225 Difference]: With dead ends: 4560 [2021-08-29 03:46:23,158 INFO L226 Difference]: Without dead ends: 2281 [2021-08-29 03:46:23,160 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.25ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:23,160 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 113 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 268.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.16ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 356.98ms IncrementalHoareTripleChecker+Time [2021-08-29 03:46:23,161 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 0 Invalid, 643 Unknown, 0 Unchecked, 1.16ms Time], IncrementalHoareTripleChecker [45 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 356.98ms Time] [2021-08-29 03:46:23,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2021-08-29 03:46:23,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2277. [2021-08-29 03:46:23,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 2276 states have (on average 1.0795254833040422) internal successors, (2457), 2276 states have internal predecessors, (2457), 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) [2021-08-29 03:46:23,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 2457 transitions. [2021-08-29 03:46:23,187 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 2457 transitions. Word has length 200 [2021-08-29 03:46:23,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:46:23,187 INFO L470 AbstractCegarLoop]: Abstraction has 2277 states and 2457 transitions. [2021-08-29 03:46:23,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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) [2021-08-29 03:46:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 2457 transitions. [2021-08-29 03:46:23,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-08-29 03:46:23,191 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:46:23,191 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:46:23,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 03:46:23,191 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:46:23,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:46:23,192 INFO L82 PathProgramCache]: Analyzing trace with hash -558163709, now seen corresponding path program 1 times [2021-08-29 03:46:23,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:46:23,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535018523] [2021-08-29 03:46:23,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:46:23,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:46:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:46:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-29 03:46:23,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:46:23,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535018523] [2021-08-29 03:46:23,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535018523] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:46:23,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:46:23,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:46:23,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33502451] [2021-08-29 03:46:23,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:46:23,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:46:23,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:46:23,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:23,229 INFO L87 Difference]: Start difference. First operand 2277 states and 2457 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2021-08-29 03:46:23,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:46:23,551 INFO L93 Difference]: Finished difference Result 5112 states and 5560 transitions. [2021-08-29 03:46:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:46:23,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 221 [2021-08-29 03:46:23,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:46:23,551 INFO L225 Difference]: With dead ends: 5112 [2021-08-29 03:46:23,551 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 03:46:23,554 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.15ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:46:23,555 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 135 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 246.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.04ms SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 298.89ms IncrementalHoareTripleChecker+Time [2021-08-29 03:46:23,555 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 0 Invalid, 600 Unknown, 0 Unchecked, 1.04ms Time], IncrementalHoareTripleChecker [67 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 298.89ms Time] [2021-08-29 03:46:23,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 03:46:23,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 03:46:23,556 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) [2021-08-29 03:46:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 03:46:23,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2021-08-29 03:46:23,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:46:23,556 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 03:46:23,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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) [2021-08-29 03:46:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 03:46:23,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 03:46:23,558 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 03:46:23,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 03:46:23,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 03:46:23,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:46:23,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:46:23,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:46:23,888 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,889 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,889 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,889 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-08-29 03:46:23,889 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-08-29 03:46:23,889 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-08-29 03:46:23,889 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-08-29 03:46:23,889 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-08-29 03:46:23,889 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-08-29 03:46:23,889 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-08-29 03:46:23,890 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-08-29 03:46:23,890 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,890 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,890 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,890 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-08-29 03:46:23,890 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-08-29 03:46:23,890 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-08-29 03:46:23,890 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-08-29 03:46:23,890 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-08-29 03:46:23,890 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,890 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,891 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,891 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-08-29 03:46:23,891 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-08-29 03:46:23,891 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-08-29 03:46:23,891 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-08-29 03:46:23,891 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-08-29 03:46:23,891 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-08-29 03:46:23,891 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-08-29 03:46:23,891 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-08-29 03:46:23,891 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-08-29 03:46:23,891 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-08-29 03:46:23,892 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,892 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,892 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,892 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-08-29 03:46:23,892 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-08-29 03:46:23,892 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-08-29 03:46:23,892 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-08-29 03:46:23,892 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-08-29 03:46:23,892 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-08-29 03:46:23,892 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-08-29 03:46:23,893 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,893 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,893 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,893 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-08-29 03:46:23,893 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-08-29 03:46:23,893 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-08-29 03:46:23,893 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-08-29 03:46:23,893 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-08-29 03:46:23,893 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-08-29 03:46:23,893 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-08-29 03:46:23,893 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,894 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,894 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,894 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-08-29 03:46:23,896 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-08-29 03:46:23,896 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-08-29 03:46:23,896 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-08-29 03:46:23,896 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-08-29 03:46:23,896 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,896 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,897 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,897 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-08-29 03:46:23,897 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-08-29 03:46:23,897 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-08-29 03:46:23,897 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-08-29 03:46:23,897 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-08-29 03:46:23,897 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-08-29 03:46:23,897 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-08-29 03:46:23,897 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-08-29 03:46:23,897 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,898 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,898 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,898 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-08-29 03:46:23,898 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 03:46:23,898 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-08-29 03:46:23,898 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-08-29 03:46:23,898 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-08-29 03:46:23,898 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-08-29 03:46:23,898 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-08-29 03:46:23,898 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-08-29 03:46:23,899 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-08-29 03:46:23,899 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,899 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,899 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,899 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-08-29 03:46:23,899 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-08-29 03:46:23,899 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-08-29 03:46:23,899 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-08-29 03:46:23,899 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-08-29 03:46:23,899 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-08-29 03:46:23,899 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-08-29 03:46:23,900 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-08-29 03:46:23,900 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-08-29 03:46:23,900 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,900 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,900 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,900 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-08-29 03:46:23,900 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-08-29 03:46:23,900 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-08-29 03:46:23,900 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-08-29 03:46:23,900 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-08-29 03:46:23,900 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-08-29 03:46:23,901 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 03:46:23,901 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2021-08-29 03:46:23,901 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,901 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,901 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,901 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-08-29 03:46:23,901 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-08-29 03:46:23,901 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-08-29 03:46:23,901 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-08-29 03:46:23,901 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-08-29 03:46:23,902 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-08-29 03:46:23,902 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-08-29 03:46:23,902 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-08-29 03:46:23,902 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,902 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,902 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,902 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-08-29 03:46:23,902 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-08-29 03:46:23,902 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-08-29 03:46:23,902 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-08-29 03:46:23,903 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-08-29 03:46:23,903 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,903 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,903 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,903 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-08-29 03:46:23,903 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-08-29 03:46:23,903 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-08-29 03:46:23,903 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-08-29 03:46:23,903 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-08-29 03:46:23,903 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-08-29 03:46:23,903 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-08-29 03:46:23,904 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-08-29 03:46:23,904 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-08-29 03:46:23,904 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-08-29 03:46:23,904 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-08-29 03:46:23,904 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,904 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,904 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-08-29 03:46:23,904 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-08-29 03:46:23,904 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-08-29 03:46:23,904 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-08-29 03:46:23,904 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-08-29 03:46:23,905 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-08-29 03:46:23,905 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-08-29 03:46:23,905 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-08-29 03:46:23,905 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-08-29 03:46:23,905 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse10 (= ~a11~0 0)) (.cse2 (<= ~a25~0 0)) (.cse8 (<= ~a19~0 0)) (.cse0 (<= 9 ~a28~0)) (.cse1 (= ~a11~0 1)) (.cse9 (<= ~a28~0 10)) (.cse5 (= ~a17~0 8)) (.cse3 (= ~a25~0 1)) (.cse6 (= ~a21~0 1)) (.cse7 (= ~a19~0 1)) (.cse4 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse2) (and .cse1 .cse4 .cse8) (and .cse1 .cse4 .cse2) (and .cse5 .cse3 .cse1 .cse6 .cse9 .cse7) (and .cse10 .cse9 .cse2) (and .cse10 .cse4 .cse8) (and .cse3 .cse1 .cse9 .cse8) (and .cse3 .cse10) (and .cse1 .cse2 .cse8) (and .cse10 .cse2 .cse8) (and .cse0 .cse3 .cse1 .cse9) (and .cse5 .cse3 .cse6 .cse7 .cse4))) [2021-08-29 03:46:23,905 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,905 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,906 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-08-29 03:46:23,906 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-08-29 03:46:23,906 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-08-29 03:46:23,906 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-08-29 03:46:23,906 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-08-29 03:46:23,906 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-08-29 03:46:23,906 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-08-29 03:46:23,906 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,906 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,906 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-08-29 03:46:23,907 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-08-29 03:46:23,907 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-08-29 03:46:23,907 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-08-29 03:46:23,907 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-08-29 03:46:23,907 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-08-29 03:46:23,907 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-08-29 03:46:23,907 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-08-29 03:46:23,907 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-08-29 03:46:23,907 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,907 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,907 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-08-29 03:46:23,908 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-08-29 03:46:23,908 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-08-29 03:46:23,908 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-08-29 03:46:23,908 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 03:46:23,908 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-08-29 03:46:23,908 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-08-29 03:46:23,908 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse10 (= ~a11~0 0)) (.cse2 (<= ~a25~0 0)) (.cse8 (<= ~a19~0 0)) (.cse0 (<= 9 ~a28~0)) (.cse1 (= ~a11~0 1)) (.cse9 (<= ~a28~0 10)) (.cse5 (= ~a17~0 8)) (.cse3 (= ~a25~0 1)) (.cse6 (= ~a21~0 1)) (.cse7 (= ~a19~0 1)) (.cse4 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse2) (and .cse1 .cse4 .cse8) (and .cse1 .cse4 .cse2) (and .cse5 .cse3 .cse1 .cse6 .cse9 .cse7) (and .cse10 .cse9 .cse2) (and .cse10 .cse4 .cse8) (and .cse3 .cse1 .cse9 .cse8) (and .cse3 .cse10) (and .cse1 .cse2 .cse8) (and .cse10 .cse2 .cse8) (and .cse0 .cse3 .cse1 .cse9) (and .cse5 .cse3 .cse6 .cse7 .cse4))) [2021-08-29 03:46:23,908 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,908 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,908 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-08-29 03:46:23,909 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-08-29 03:46:23,909 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-08-29 03:46:23,909 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-08-29 03:46:23,909 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-08-29 03:46:23,909 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,909 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,909 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-08-29 03:46:23,909 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-08-29 03:46:23,909 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-08-29 03:46:23,909 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-08-29 03:46:23,910 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-08-29 03:46:23,910 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-08-29 03:46:23,910 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-08-29 03:46:23,910 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-08-29 03:46:23,910 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-08-29 03:46:23,910 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,910 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,910 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-08-29 03:46:23,910 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,910 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 03:46:23,910 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-08-29 03:46:23,911 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-08-29 03:46:23,911 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-08-29 03:46:23,911 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-08-29 03:46:23,911 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-08-29 03:46:23,911 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-08-29 03:46:23,911 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,911 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,911 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,911 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-08-29 03:46:23,911 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-08-29 03:46:23,911 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-08-29 03:46:23,912 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-08-29 03:46:23,912 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-08-29 03:46:23,912 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,912 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,912 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-08-29 03:46:23,912 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-08-29 03:46:23,912 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-08-29 03:46:23,912 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-08-29 03:46:23,912 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-08-29 03:46:23,912 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-08-29 03:46:23,912 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-08-29 03:46:23,915 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 03:46:23,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:46:23 BoogieIcfgContainer [2021-08-29 03:46:23,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 03:46:23,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 03:46:23,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 03:46:23,928 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 03:46:23,928 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:46:17" (3/4) ... [2021-08-29 03:46:23,930 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 03:46:23,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-29 03:46:23,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 03:46:23,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 03:46:23,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 03:46:23,994 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 03:46:23,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 03:46:23,995 INFO L158 Benchmark]: Toolchain (without parser) took 7640.29ms. Allocated memory was 58.7MB in the beginning and 247.5MB in the end (delta: 188.7MB). Free memory was 35.8MB in the beginning and 199.6MB in the end (delta: -163.8MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-08-29 03:46:23,995 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:46:23,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.46ms. Allocated memory was 58.7MB in the beginning and 88.1MB in the end (delta: 29.4MB). Free memory was 35.7MB in the beginning and 55.5MB in the end (delta: -19.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 03:46:23,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.06ms. Allocated memory is still 88.1MB. Free memory was 55.5MB in the beginning and 50.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-29 03:46:23,996 INFO L158 Benchmark]: Boogie Preprocessor took 76.84ms. Allocated memory is still 88.1MB. Free memory was 50.0MB in the beginning and 65.4MB in the end (delta: -15.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-08-29 03:46:23,996 INFO L158 Benchmark]: RCFGBuilder took 402.55ms. Allocated memory is still 88.1MB. Free memory was 65.4MB in the beginning and 53.4MB in the end (delta: 11.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-08-29 03:46:23,996 INFO L158 Benchmark]: TraceAbstraction took 6553.35ms. Allocated memory was 88.1MB in the beginning and 247.5MB in the end (delta: 159.4MB). Free memory was 53.0MB in the beginning and 214.3MB in the end (delta: -161.3MB). Peak memory consumption was 137.9MB. Max. memory is 16.1GB. [2021-08-29 03:46:23,997 INFO L158 Benchmark]: Witness Printer took 66.98ms. Allocated memory is still 247.5MB. Free memory was 214.3MB in the beginning and 199.6MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 03:46:23,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.46ms. Allocated memory was 58.7MB in the beginning and 88.1MB in the end (delta: 29.4MB). Free memory was 35.7MB in the beginning and 55.5MB in the end (delta: -19.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.06ms. Allocated memory is still 88.1MB. Free memory was 55.5MB in the beginning and 50.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.84ms. Allocated memory is still 88.1MB. Free memory was 50.0MB in the beginning and 65.4MB in the end (delta: -15.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * RCFGBuilder took 402.55ms. Allocated memory is still 88.1MB. Free memory was 65.4MB in the beginning and 53.4MB in the end (delta: 11.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6553.35ms. Allocated memory was 88.1MB in the beginning and 247.5MB in the end (delta: 159.4MB). Free memory was 53.0MB in the beginning and 214.3MB in the end (delta: -161.3MB). Peak memory consumption was 137.9MB. Max. memory is 16.1GB. * Witness Printer took 66.98ms. Allocated memory is still 247.5MB. Free memory was 214.3MB in the beginning and 199.6MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 461]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6496.41ms, OverallIterations: 10, TraceHistogramMax: 5, EmptinessCheckTime: 38.51ms, AutomataDifference: 4325.24ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 329.40ms, InitialAbstractionConstructionTime: 10.50ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1336 SdHoareTripleChecker+Valid, 3890.99ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1336 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 3068.80ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 204 mSDsCounter, 753 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5738 IncrementalHoareTripleChecker+Invalid, 6491 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 753 mSolverCounterUnsat, 0 mSDtfsCounter, 5738 mSolverCounterSat, 18.07ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 42.62ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=3714occurred in iteration=6, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 300.73ms AutomataMinimizationTime, 10 MinimizatonAttempts, 882 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 63 NumberOfFragments, 331 HoareAnnotationTreeSize, 3 FomulaSimplifications, 672 FormulaSimplificationTreeSizeReduction, 25.95ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 190 FormulaSimplificationTreeSizeReductionInter, 297.55ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 56.68ms SsaConstructionTime, 198.58ms SatisfiabilityAnalysisTime, 833.47ms InterpolantComputationTime, 1534 NumberOfCodeBlocks, 1534 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1523 ConstructedInterpolants, 0 QuantifiedInterpolants, 5587 SizeOfPredicates, 0 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 755/771 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: 616]: Loop Invariant Derived loop invariant: ((((((((((((((9 <= a28 && a11 == 1) && a25 <= 0) || ((a25 == 1 && a11 == 1) && a28 <= 7)) || ((((a17 == 8 && a11 == 1) && a21 == 1) && a19 == 1) && a25 <= 0)) || ((a11 == 1 && a28 <= 7) && a19 <= 0)) || ((a11 == 1 && a28 <= 7) && a25 <= 0)) || (((((a17 == 8 && a25 == 1) && a11 == 1) && a21 == 1) && a28 <= 10) && a19 == 1)) || ((a11 == 0 && a28 <= 10) && a25 <= 0)) || ((a11 == 0 && a28 <= 7) && a19 <= 0)) || (((a25 == 1 && a11 == 1) && a28 <= 10) && a19 <= 0)) || (a25 == 1 && a11 == 0)) || ((a11 == 1 && a25 <= 0) && a19 <= 0)) || ((a11 == 0 && a25 <= 0) && a19 <= 0)) || (((9 <= a28 && a25 == 1) && a11 == 1) && a28 <= 10)) || ((((a17 == 8 && a25 == 1) && a21 == 1) && a19 == 1) && a28 <= 7) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((((((9 <= a28 && a11 == 1) && a25 <= 0) || ((a25 == 1 && a11 == 1) && a28 <= 7)) || ((((a17 == 8 && a11 == 1) && a21 == 1) && a19 == 1) && a25 <= 0)) || ((a11 == 1 && a28 <= 7) && a19 <= 0)) || ((a11 == 1 && a28 <= 7) && a25 <= 0)) || (((((a17 == 8 && a25 == 1) && a11 == 1) && a21 == 1) && a28 <= 10) && a19 == 1)) || ((a11 == 0 && a28 <= 10) && a25 <= 0)) || ((a11 == 0 && a28 <= 7) && a19 <= 0)) || (((a25 == 1 && a11 == 1) && a28 <= 10) && a19 <= 0)) || (a25 == 1 && a11 == 0)) || ((a11 == 1 && a25 <= 0) && a19 <= 0)) || ((a11 == 0 && a25 <= 0) && a19 <= 0)) || (((9 <= a28 && a25 == 1) && a11 == 1) && a28 <= 10)) || ((((a17 == 8 && a25 == 1) && a21 == 1) && a19 == 1) && a28 <= 7) RESULT: Ultimate proved your program to be correct! [2021-08-29 03:46:24,040 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...