./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label06.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/Problem15_label06.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 6719380db7344d338632990b50237dcb47f861ee .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:55:45,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 04:55:45,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 04:55:45,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 04:55:45,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 04:55:45,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 04:55:45,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 04:55:45,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 04:55:45,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 04:55:45,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 04:55:45,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 04:55:45,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 04:55:45,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 04:55:45,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 04:55:45,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 04:55:45,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 04:55:45,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 04:55:45,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 04:55:45,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 04:55:45,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 04:55:45,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 04:55:45,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 04:55:45,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 04:55:45,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 04:55:45,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 04:55:45,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 04:55:45,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 04:55:45,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 04:55:45,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 04:55:45,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 04:55:45,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 04:55:45,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 04:55:45,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 04:55:45,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 04:55:45,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 04:55:45,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 04:55:45,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 04:55:45,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 04:55:45,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 04:55:45,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 04:55:45,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 04:55:45,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 04:55:45,706 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 04:55:45,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 04:55:45,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 04:55:45,710 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 04:55:45,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 04:55:45,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 04:55:45,712 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 04:55:45,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 04:55:45,713 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 04:55:45,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 04:55:45,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 04:55:45,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 04:55:45,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 04:55:45,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 04:55:45,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 04:55:45,715 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 04:55:45,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 04:55:45,716 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 04:55:45,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 04:55:45,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 04:55:45,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 04:55:45,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 04:55:45,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 04:55:45,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 04:55:45,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 04:55:45,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 04:55:45,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 04:55:45,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 04:55:45,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 04:55:45,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 04:55:45,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6719380db7344d338632990b50237dcb47f861ee [2021-08-29 04:55:46,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 04:55:46,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 04:55:46,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 04:55:46,038 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 04:55:46,038 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 04:55:46,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label06.c [2021-08-29 04:55:46,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b65dc21/78f0499d9cd04dc3a67e18834d8009f0/FLAG32bc328a7 [2021-08-29 04:55:46,766 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 04:55:46,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label06.c [2021-08-29 04:55:46,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b65dc21/78f0499d9cd04dc3a67e18834d8009f0/FLAG32bc328a7 [2021-08-29 04:55:47,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b65dc21/78f0499d9cd04dc3a67e18834d8009f0 [2021-08-29 04:55:47,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 04:55:47,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 04:55:47,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 04:55:47,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 04:55:47,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 04:55:47,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:55:47" (1/1) ... [2021-08-29 04:55:47,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624dec89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:55:47, skipping insertion in model container [2021-08-29 04:55:47,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:55:47" (1/1) ... [2021-08-29 04:55:47,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 04:55:47,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 04:55:47,389 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/Problem15_label06.c[6824,6837] [2021-08-29 04:55:47,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 04:55:47,795 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 04:55:47,825 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/Problem15_label06.c[6824,6837] [2021-08-29 04:55:48,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 04:55:48,013 INFO L208 MainTranslator]: Completed translation [2021-08-29 04:55:48,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:55:48 WrapperNode [2021-08-29 04:55:48,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 04:55:48,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 04:55:48,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 04:55:48,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 04:55:48,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:55:48" (1/1) ... [2021-08-29 04:55:48,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:55:48" (1/1) ... [2021-08-29 04:55:48,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 04:55:48,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 04:55:48,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 04:55:48,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 04:55:48,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:55:48" (1/1) ... [2021-08-29 04:55:48,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:55:48" (1/1) ... [2021-08-29 04:55:48,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:55:48" (1/1) ... [2021-08-29 04:55:48,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:55:48" (1/1) ... [2021-08-29 04:55:48,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:55:48" (1/1) ... [2021-08-29 04:55:48,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:55:48" (1/1) ... [2021-08-29 04:55:48,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:55:48" (1/1) ... [2021-08-29 04:55:48,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 04:55:48,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 04:55:48,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 04:55:48,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 04:55:48,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:55:48" (1/1) ... [2021-08-29 04:55:48,573 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 04:55:48,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 04:55:48,602 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 04:55:48,623 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 04:55:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 04:55:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 04:55:48,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 04:55:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 04:55:49,675 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 04:55:49,676 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-29 04:55:49,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:55:49 BoogieIcfgContainer [2021-08-29 04:55:49,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 04:55:49,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 04:55:49,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 04:55:49,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 04:55:49,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:55:47" (1/3) ... [2021-08-29 04:55:49,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be61c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:55:49, skipping insertion in model container [2021-08-29 04:55:49,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:55:48" (2/3) ... [2021-08-29 04:55:49,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be61c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:55:49, skipping insertion in model container [2021-08-29 04:55:49,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:55:49" (3/3) ... [2021-08-29 04:55:49,685 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label06.c [2021-08-29 04:55:49,690 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 04:55:49,690 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 04:55:49,744 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 04:55:49,751 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 04:55:49,751 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 04:55:49,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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 04:55:49,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-29 04:55:49,802 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:55:49,803 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] [2021-08-29 04:55:49,803 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:55:49,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:55:49,809 INFO L82 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2021-08-29 04:55:49,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:55:49,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789698790] [2021-08-29 04:55:49,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:55:49,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:55:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:55:50,086 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 04:55:50,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:55:50,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789698790] [2021-08-29 04:55:50,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789698790] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:55:50,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:55:50,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 04:55:50,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029392107] [2021-08-29 04:55:50,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:55:50,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:55:50,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:55:50,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:55:50,122 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 04:55:52,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:55:52,634 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2021-08-29 04:55:52,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:55:52,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 56 [2021-08-29 04:55:52,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:55:52,649 INFO L225 Difference]: With dead ends: 1154 [2021-08-29 04:55:52,649 INFO L226 Difference]: Without dead ends: 665 [2021-08-29 04:55:52,654 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.44ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:55:52,657 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 265 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1921.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.61ms SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2407.23ms IncrementalHoareTripleChecker+Time [2021-08-29 04:55:52,658 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 0 Invalid, 1613 Unknown, 0 Unchecked, 8.61ms Time], IncrementalHoareTripleChecker [254 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 2407.23ms Time] [2021-08-29 04:55:52,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-08-29 04:55:52,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2021-08-29 04:55:52,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 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 04:55:52,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2021-08-29 04:55:52,717 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 56 [2021-08-29 04:55:52,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:55:52,718 INFO L470 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2021-08-29 04:55:52,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 04:55:52,718 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2021-08-29 04:55:52,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-08-29 04:55:52,722 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:55:52,722 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, 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] [2021-08-29 04:55:52,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 04:55:52,723 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:55:52,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:55:52,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1801863949, now seen corresponding path program 1 times [2021-08-29 04:55:52,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:55:52,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943004159] [2021-08-29 04:55:52,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:55:52,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:55:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:55:52,903 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 04:55:52,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:55:52,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943004159] [2021-08-29 04:55:52,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943004159] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:55:52,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:55:52,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 04:55:52,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251217454] [2021-08-29 04:55:52,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:55:52,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:55:52,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:55:52,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:55:52,909 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 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 04:55:54,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:55:54,787 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2021-08-29 04:55:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:55:54,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 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 121 [2021-08-29 04:55:54,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:55:54,793 INFO L225 Difference]: With dead ends: 1624 [2021-08-29 04:55:54,794 INFO L226 Difference]: Without dead ends: 963 [2021-08-29 04:55:54,800 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.51ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:55:54,803 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1588.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.15ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1840.39ms IncrementalHoareTripleChecker+Time [2021-08-29 04:55:54,803 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 0 Invalid, 1271 Unknown, 0 Unchecked, 3.15ms Time], IncrementalHoareTripleChecker [24 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 1840.39ms Time] [2021-08-29 04:55:54,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-08-29 04:55:54,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-08-29 04:55:54,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 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 04:55:54,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2021-08-29 04:55:54,848 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 121 [2021-08-29 04:55:54,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:55:54,848 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2021-08-29 04:55:54,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 2 states have internal predecessors, (121), 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 04:55:54,849 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2021-08-29 04:55:54,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-08-29 04:55:54,851 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:55:54,851 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, 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] [2021-08-29 04:55:54,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 04:55:54,852 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:55:54,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:55:54,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1172471972, now seen corresponding path program 1 times [2021-08-29 04:55:54,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:55:54,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588797439] [2021-08-29 04:55:54,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:55:54,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:55:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:55:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 04:55:54,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:55:54,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588797439] [2021-08-29 04:55:54,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588797439] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:55:54,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:55:54,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 04:55:54,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305321535] [2021-08-29 04:55:54,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:55:54,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:55:54,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:55:54,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:55:54,931 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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 04:55:56,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:55:56,702 INFO L93 Difference]: Finished difference Result 2229 states and 3186 transitions. [2021-08-29 04:55:56,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:55:56,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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 126 [2021-08-29 04:55:56,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:55:56,708 INFO L225 Difference]: With dead ends: 2229 [2021-08-29 04:55:56,708 INFO L226 Difference]: Without dead ends: 1567 [2021-08-29 04:55:56,709 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.59ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:55:56,710 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 256 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1427.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.63ms SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1708.52ms IncrementalHoareTripleChecker+Time [2021-08-29 04:55:56,711 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 0 Invalid, 1442 Unknown, 0 Unchecked, 16.63ms Time], IncrementalHoareTripleChecker [285 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 1708.52ms Time] [2021-08-29 04:55:56,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2021-08-29 04:55:56,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1266. [2021-08-29 04:55:56,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 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 04:55:56,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2021-08-29 04:55:56,733 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 126 [2021-08-29 04:55:56,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:55:56,734 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2021-08-29 04:55:56,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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 04:55:56,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2021-08-29 04:55:56,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-08-29 04:55:56,747 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:55:56,747 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 04:55:56,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 04:55:56,748 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:55:56,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:55:56,750 INFO L82 PathProgramCache]: Analyzing trace with hash -590723167, now seen corresponding path program 1 times [2021-08-29 04:55:56,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:55:56,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195636851] [2021-08-29 04:55:56,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:55:56,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:55:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:55:56,936 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 04:55:56,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:55:56,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195636851] [2021-08-29 04:55:56,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195636851] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:55:56,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:55:56,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:55:56,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490267330] [2021-08-29 04:55:56,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 04:55:56,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:55:56,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 04:55:56,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 04:55:56,943 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 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 04:56:00,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:00,509 INFO L93 Difference]: Finished difference Result 4668 states and 6169 transitions. [2021-08-29 04:56:00,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 04:56:00,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 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 222 [2021-08-29 04:56:00,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:00,525 INFO L225 Difference]: With dead ends: 4668 [2021-08-29 04:56:00,525 INFO L226 Difference]: Without dead ends: 3404 [2021-08-29 04:56:00,527 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.72ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 04:56:00,529 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 485 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 2654 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2995.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.63ms SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 2654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3471.94ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:00,529 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [485 Valid, 0 Invalid, 2924 Unknown, 0 Unchecked, 8.63ms Time], IncrementalHoareTripleChecker [270 Valid, 2654 Invalid, 0 Unknown, 0 Unchecked, 3471.94ms Time] [2021-08-29 04:56:00,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2021-08-29 04:56:00,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3381. [2021-08-29 04:56:00,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2363905325443787) internal successors, (4179), 3380 states have internal predecessors, (4179), 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 04:56:00,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4179 transitions. [2021-08-29 04:56:00,594 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4179 transitions. Word has length 222 [2021-08-29 04:56:00,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:00,595 INFO L470 AbstractCegarLoop]: Abstraction has 3381 states and 4179 transitions. [2021-08-29 04:56:00,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 3 states have internal predecessors, (222), 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 04:56:00,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4179 transitions. [2021-08-29 04:56:00,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-08-29 04:56:00,600 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:00,601 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:56:00,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 04:56:00,602 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:00,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:00,604 INFO L82 PathProgramCache]: Analyzing trace with hash 544122455, now seen corresponding path program 1 times [2021-08-29 04:56:00,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:00,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374758960] [2021-08-29 04:56:00,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:00,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-08-29 04:56:00,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:00,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374758960] [2021-08-29 04:56:00,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374758960] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:00,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:00,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 04:56:00,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113972296] [2021-08-29 04:56:00,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:00,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:00,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:00,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:00,726 INFO L87 Difference]: Start difference. First operand 3381 states and 4179 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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 04:56:02,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:02,290 INFO L93 Difference]: Finished difference Result 8563 states and 10751 transitions. [2021-08-29 04:56:02,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:02,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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 226 [2021-08-29 04:56:02,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:02,317 INFO L225 Difference]: With dead ends: 8563 [2021-08-29 04:56:02,317 INFO L226 Difference]: Without dead ends: 5483 [2021-08-29 04:56:02,323 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:02,328 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1269.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.78ms SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1500.40ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:02,329 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 0 Invalid, 1428 Unknown, 0 Unchecked, 2.78ms Time], IncrementalHoareTripleChecker [298 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 1500.40ms Time] [2021-08-29 04:56:02,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2021-08-29 04:56:02,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2021-08-29 04:56:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1683403322987036) internal successors, (6399), 5477 states have internal predecessors, (6399), 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 04:56:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6399 transitions. [2021-08-29 04:56:02,430 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6399 transitions. Word has length 226 [2021-08-29 04:56:02,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:02,431 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6399 transitions. [2021-08-29 04:56:02,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 2 states have internal predecessors, (149), 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 04:56:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6399 transitions. [2021-08-29 04:56:02,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-08-29 04:56:02,437 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:02,437 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:02,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 04:56:02,437 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:02,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:02,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1749143075, now seen corresponding path program 1 times [2021-08-29 04:56:02,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:02,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691412746] [2021-08-29 04:56:02,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:02,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-08-29 04:56:02,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:02,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691412746] [2021-08-29 04:56:02,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691412746] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:02,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:02,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 04:56:02,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483235142] [2021-08-29 04:56:02,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:02,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:02,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:02,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:02,635 INFO L87 Difference]: Start difference. First operand 5478 states and 6399 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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 04:56:04,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:04,204 INFO L93 Difference]: Finished difference Result 10655 states and 12485 transitions. [2021-08-29 04:56:04,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:04,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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 328 [2021-08-29 04:56:04,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:04,220 INFO L225 Difference]: With dead ends: 10655 [2021-08-29 04:56:04,220 INFO L226 Difference]: Without dead ends: 5478 [2021-08-29 04:56:04,226 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.35ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:04,227 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1316.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.18ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1520.75ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:04,227 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 0 Invalid, 1252 Unknown, 0 Unchecked, 2.18ms Time], IncrementalHoareTripleChecker [5 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 1520.75ms Time] [2021-08-29 04:56:04,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2021-08-29 04:56:04,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2021-08-29 04:56:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1672448420668249) internal successors, (6393), 5477 states have internal predecessors, (6393), 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 04:56:04,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6393 transitions. [2021-08-29 04:56:04,304 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6393 transitions. Word has length 328 [2021-08-29 04:56:04,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:04,304 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6393 transitions. [2021-08-29 04:56:04,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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 04:56:04,305 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6393 transitions. [2021-08-29 04:56:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-08-29 04:56:04,309 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:04,309 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:04,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 04:56:04,310 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:04,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:04,311 INFO L82 PathProgramCache]: Analyzing trace with hash 429227438, now seen corresponding path program 1 times [2021-08-29 04:56:04,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:04,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080050354] [2021-08-29 04:56:04,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:04,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:04,435 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-08-29 04:56:04,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:04,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080050354] [2021-08-29 04:56:04,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080050354] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:04,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:04,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:04,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836791089] [2021-08-29 04:56:04,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:04,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:04,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:04,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:04,438 INFO L87 Difference]: Start difference. First operand 5478 states and 6393 transitions. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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 04:56:06,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:06,083 INFO L93 Difference]: Finished difference Result 11851 states and 14145 transitions. [2021-08-29 04:56:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:06,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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 343 [2021-08-29 04:56:06,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:06,102 INFO L225 Difference]: With dead ends: 11851 [2021-08-29 04:56:06,103 INFO L226 Difference]: Without dead ends: 6674 [2021-08-29 04:56:06,109 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.72ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:06,110 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 259 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1372.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.86ms SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1593.19ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:06,110 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 0 Invalid, 1436 Unknown, 0 Unchecked, 1.86ms Time], IncrementalHoareTripleChecker [206 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 1593.19ms Time] [2021-08-29 04:56:06,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2021-08-29 04:56:06,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 4577. [2021-08-29 04:56:06,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4577 states, 4576 states have (on average 1.1840034965034965) internal successors, (5418), 4576 states have internal predecessors, (5418), 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 04:56:06,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 5418 transitions. [2021-08-29 04:56:06,186 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 5418 transitions. Word has length 343 [2021-08-29 04:56:06,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:06,187 INFO L470 AbstractCegarLoop]: Abstraction has 4577 states and 5418 transitions. [2021-08-29 04:56:06,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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 04:56:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 5418 transitions. [2021-08-29 04:56:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2021-08-29 04:56:06,193 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:06,194 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:06,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 04:56:06,194 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:06,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:06,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1359069905, now seen corresponding path program 1 times [2021-08-29 04:56:06,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:06,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591737641] [2021-08-29 04:56:06,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:06,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:06,319 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-08-29 04:56:06,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:06,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591737641] [2021-08-29 04:56:06,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591737641] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:06,320 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:06,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:06,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285258049] [2021-08-29 04:56:06,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:06,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:06,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:06,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:06,322 INFO L87 Difference]: Start difference. First operand 4577 states and 5418 transitions. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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 04:56:08,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:08,142 INFO L93 Difference]: Finished difference Result 10955 states and 13233 transitions. [2021-08-29 04:56:08,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:08,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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 402 [2021-08-29 04:56:08,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:08,159 INFO L225 Difference]: With dead ends: 10955 [2021-08-29 04:56:08,159 INFO L226 Difference]: Without dead ends: 6679 [2021-08-29 04:56:08,163 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.46ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:08,164 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 272 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1541.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.75ms SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1775.93ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:08,164 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 0 Invalid, 1760 Unknown, 0 Unchecked, 1.75ms Time], IncrementalHoareTripleChecker [227 Valid, 1533 Invalid, 0 Unknown, 0 Unchecked, 1775.93ms Time] [2021-08-29 04:56:08,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6679 states. [2021-08-29 04:56:08,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6679 to 6081. [2021-08-29 04:56:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6081 states, 6080 states have (on average 1.1572368421052632) internal successors, (7036), 6080 states have internal predecessors, (7036), 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 04:56:08,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 7036 transitions. [2021-08-29 04:56:08,241 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 7036 transitions. Word has length 402 [2021-08-29 04:56:08,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:08,242 INFO L470 AbstractCegarLoop]: Abstraction has 6081 states and 7036 transitions. [2021-08-29 04:56:08,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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 04:56:08,254 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 7036 transitions. [2021-08-29 04:56:08,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-08-29 04:56:08,261 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:08,261 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:08,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 04:56:08,262 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:08,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:08,263 INFO L82 PathProgramCache]: Analyzing trace with hash -2115957757, now seen corresponding path program 1 times [2021-08-29 04:56:08,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:08,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28255816] [2021-08-29 04:56:08,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:08,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 04:56:08,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:08,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28255816] [2021-08-29 04:56:08,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28255816] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:08,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:08,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:08,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586170143] [2021-08-29 04:56:08,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:08,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:08,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:08,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:08,425 INFO L87 Difference]: Start difference. First operand 6081 states and 7036 transitions. Second operand has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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 04:56:10,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:10,276 INFO L93 Difference]: Finished difference Result 13965 states and 16476 transitions. [2021-08-29 04:56:10,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:10,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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 408 [2021-08-29 04:56:10,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:10,288 INFO L225 Difference]: With dead ends: 13965 [2021-08-29 04:56:10,288 INFO L226 Difference]: Without dead ends: 8185 [2021-08-29 04:56:10,295 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.51ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:10,295 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 250 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1505 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1521.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.98ms SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 1505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1792.97ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:10,296 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [250 Valid, 0 Invalid, 1728 Unknown, 0 Unchecked, 1.98ms Time], IncrementalHoareTripleChecker [223 Valid, 1505 Invalid, 0 Unknown, 0 Unchecked, 1792.97ms Time] [2021-08-29 04:56:10,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8185 states. [2021-08-29 04:56:10,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8185 to 7883. [2021-08-29 04:56:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7883 states, 7882 states have (on average 1.1386703882263385) internal successors, (8975), 7882 states have internal predecessors, (8975), 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 04:56:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7883 states to 7883 states and 8975 transitions. [2021-08-29 04:56:10,437 INFO L78 Accepts]: Start accepts. Automaton has 7883 states and 8975 transitions. Word has length 408 [2021-08-29 04:56:10,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:10,437 INFO L470 AbstractCegarLoop]: Abstraction has 7883 states and 8975 transitions. [2021-08-29 04:56:10,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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 04:56:10,438 INFO L276 IsEmpty]: Start isEmpty. Operand 7883 states and 8975 transitions. [2021-08-29 04:56:10,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-08-29 04:56:10,444 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:10,445 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, 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, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:10,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 04:56:10,445 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:10,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:10,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1260062082, now seen corresponding path program 1 times [2021-08-29 04:56:10,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:10,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67546162] [2021-08-29 04:56:10,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:10,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-08-29 04:56:10,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:10,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67546162] [2021-08-29 04:56:10,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67546162] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:10,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:10,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:10,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19776852] [2021-08-29 04:56:10,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:10,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:10,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:10,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:10,585 INFO L87 Difference]: Start difference. First operand 7883 states and 8975 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 04:56:12,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:12,393 INFO L93 Difference]: Finished difference Result 17259 states and 20018 transitions. [2021-08-29 04:56:12,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:12,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 424 [2021-08-29 04:56:12,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:12,409 INFO L225 Difference]: With dead ends: 17259 [2021-08-29 04:56:12,409 INFO L226 Difference]: Without dead ends: 9677 [2021-08-29 04:56:12,417 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:12,418 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 245 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1469.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.41ms SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1731.95ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:12,419 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 0 Invalid, 1741 Unknown, 0 Unchecked, 2.41ms Time], IncrementalHoareTripleChecker [242 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 1731.95ms Time] [2021-08-29 04:56:12,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9677 states. [2021-08-29 04:56:12,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9677 to 9374. [2021-08-29 04:56:12,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9374 states, 9373 states have (on average 1.1290942067641097) internal successors, (10583), 9373 states have internal predecessors, (10583), 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 04:56:12,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9374 states to 9374 states and 10583 transitions. [2021-08-29 04:56:12,600 INFO L78 Accepts]: Start accepts. Automaton has 9374 states and 10583 transitions. Word has length 424 [2021-08-29 04:56:12,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:12,600 INFO L470 AbstractCegarLoop]: Abstraction has 9374 states and 10583 transitions. [2021-08-29 04:56:12,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 04:56:12,601 INFO L276 IsEmpty]: Start isEmpty. Operand 9374 states and 10583 transitions. [2021-08-29 04:56:12,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2021-08-29 04:56:12,606 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:12,609 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, 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, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:12,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 04:56:12,609 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:12,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:12,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1245855829, now seen corresponding path program 1 times [2021-08-29 04:56:12,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:12,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126160161] [2021-08-29 04:56:12,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:12,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-08-29 04:56:12,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:12,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126160161] [2021-08-29 04:56:12,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126160161] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:12,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:12,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:12,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084038874] [2021-08-29 04:56:12,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:12,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:12,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:12,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:12,772 INFO L87 Difference]: Start difference. First operand 9374 states and 10583 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 04:56:14,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:14,425 INFO L93 Difference]: Finished difference Result 20838 states and 23816 transitions. [2021-08-29 04:56:14,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:14,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 520 [2021-08-29 04:56:14,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:14,444 INFO L225 Difference]: With dead ends: 20838 [2021-08-29 04:56:14,444 INFO L226 Difference]: Without dead ends: 11765 [2021-08-29 04:56:14,453 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.58ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:14,454 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 359 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1365.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.31ms SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1578.79ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:14,454 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 0 Invalid, 1543 Unknown, 0 Unchecked, 2.31ms Time], IncrementalHoareTripleChecker [127 Valid, 1416 Invalid, 0 Unknown, 0 Unchecked, 1578.79ms Time] [2021-08-29 04:56:14,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11765 states. [2021-08-29 04:56:14,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11765 to 11765. [2021-08-29 04:56:14,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11765 states, 11764 states have (on average 1.134308058483509) internal successors, (13344), 11764 states have internal predecessors, (13344), 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 04:56:14,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11765 states to 11765 states and 13344 transitions. [2021-08-29 04:56:14,636 INFO L78 Accepts]: Start accepts. Automaton has 11765 states and 13344 transitions. Word has length 520 [2021-08-29 04:56:14,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:14,637 INFO L470 AbstractCegarLoop]: Abstraction has 11765 states and 13344 transitions. [2021-08-29 04:56:14,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 04:56:14,638 INFO L276 IsEmpty]: Start isEmpty. Operand 11765 states and 13344 transitions. [2021-08-29 04:56:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2021-08-29 04:56:14,646 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:14,646 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:14,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 04:56:14,647 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:14,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:14,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1468678863, now seen corresponding path program 1 times [2021-08-29 04:56:14,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:14,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682471314] [2021-08-29 04:56:14,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:14,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:14,820 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-08-29 04:56:14,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:14,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682471314] [2021-08-29 04:56:14,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682471314] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:14,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:14,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:14,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772444498] [2021-08-29 04:56:14,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:14,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:14,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:14,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:14,823 INFO L87 Difference]: Start difference. First operand 11765 states and 13344 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 04:56:16,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:16,673 INFO L93 Difference]: Finished difference Result 28027 states and 32076 transitions. [2021-08-29 04:56:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:16,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 544 [2021-08-29 04:56:16,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:16,695 INFO L225 Difference]: With dead ends: 28027 [2021-08-29 04:56:16,695 INFO L226 Difference]: Without dead ends: 16563 [2021-08-29 04:56:16,708 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.08ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:16,709 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 248 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1495.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.15ms SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1744.98ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:16,709 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 0 Invalid, 1829 Unknown, 0 Unchecked, 2.15ms Time], IncrementalHoareTripleChecker [170 Valid, 1659 Invalid, 0 Unknown, 0 Unchecked, 1744.98ms Time] [2021-08-29 04:56:16,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16563 states. [2021-08-29 04:56:16,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16563 to 16253. [2021-08-29 04:56:16,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16253 states, 16252 states have (on average 1.125092296332759) internal successors, (18285), 16252 states have internal predecessors, (18285), 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 04:56:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16253 states to 16253 states and 18285 transitions. [2021-08-29 04:56:16,982 INFO L78 Accepts]: Start accepts. Automaton has 16253 states and 18285 transitions. Word has length 544 [2021-08-29 04:56:16,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:16,982 INFO L470 AbstractCegarLoop]: Abstraction has 16253 states and 18285 transitions. [2021-08-29 04:56:16,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 04:56:16,983 INFO L276 IsEmpty]: Start isEmpty. Operand 16253 states and 18285 transitions. [2021-08-29 04:56:16,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-08-29 04:56:16,992 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:16,994 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:16,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 04:56:16,994 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:16,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:16,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1821851115, now seen corresponding path program 1 times [2021-08-29 04:56:16,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:16,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378129671] [2021-08-29 04:56:16,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:16,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2021-08-29 04:56:17,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:17,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378129671] [2021-08-29 04:56:17,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378129671] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:17,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:17,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:17,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724725497] [2021-08-29 04:56:17,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:17,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:17,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:17,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:17,168 INFO L87 Difference]: Start difference. First operand 16253 states and 18285 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 04:56:18,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:18,852 INFO L93 Difference]: Finished difference Result 31902 states and 35928 transitions. [2021-08-29 04:56:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:18,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 598 [2021-08-29 04:56:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:18,873 INFO L225 Difference]: With dead ends: 31902 [2021-08-29 04:56:18,873 INFO L226 Difference]: Without dead ends: 15950 [2021-08-29 04:56:18,886 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:18,887 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 275 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1368.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.56ms SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1591.97ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:18,887 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 0 Invalid, 1693 Unknown, 0 Unchecked, 1.56ms Time], IncrementalHoareTripleChecker [209 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 1591.97ms Time] [2021-08-29 04:56:18,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15950 states. [2021-08-29 04:56:19,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15950 to 15351. [2021-08-29 04:56:19,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15351 states, 15350 states have (on average 1.078371335504886) internal successors, (16553), 15350 states have internal predecessors, (16553), 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 04:56:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15351 states to 15351 states and 16553 transitions. [2021-08-29 04:56:19,120 INFO L78 Accepts]: Start accepts. Automaton has 15351 states and 16553 transitions. Word has length 598 [2021-08-29 04:56:19,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:19,121 INFO L470 AbstractCegarLoop]: Abstraction has 15351 states and 16553 transitions. [2021-08-29 04:56:19,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 04:56:19,121 INFO L276 IsEmpty]: Start isEmpty. Operand 15351 states and 16553 transitions. [2021-08-29 04:56:19,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2021-08-29 04:56:19,132 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:19,132 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:19,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-29 04:56:19,133 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:19,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:19,133 INFO L82 PathProgramCache]: Analyzing trace with hash -542711809, now seen corresponding path program 1 times [2021-08-29 04:56:19,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:19,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128913205] [2021-08-29 04:56:19,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:19,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 604 proven. 39 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-08-29 04:56:19,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:19,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128913205] [2021-08-29 04:56:19,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128913205] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 04:56:19,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012803159] [2021-08-29 04:56:19,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:19,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:56:19,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 04:56:19,313 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 04:56:19,314 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 04:56:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:19,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-29 04:56:19,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 04:56:21,320 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 604 proven. 39 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-08-29 04:56:21,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 04:56:22,910 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 604 proven. 39 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-08-29 04:56:22,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012803159] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 04:56:22,910 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 04:56:22,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-08-29 04:56:22,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907564845] [2021-08-29 04:56:22,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-29 04:56:22,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:22,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-29 04:56:22,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-08-29 04:56:22,914 INFO L87 Difference]: Start difference. First operand 15351 states and 16553 transitions. Second operand has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 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 04:56:29,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:29,604 INFO L93 Difference]: Finished difference Result 39032 states and 42065 transitions. [2021-08-29 04:56:29,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-29 04:56:29,605 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 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 611 [2021-08-29 04:56:29,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:29,621 INFO L225 Difference]: With dead ends: 39032 [2021-08-29 04:56:29,621 INFO L226 Difference]: Without dead ends: 16845 [2021-08-29 04:56:29,632 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1231 GetRequests, 1217 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 99.56ms TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-08-29 04:56:29,633 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 2433 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 8235 mSolverCounterSat, 602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5464.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2433 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.75ms SdHoareTripleChecker+Time, 602 IncrementalHoareTripleChecker+Valid, 8235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6378.67ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:29,633 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [2433 Valid, 0 Invalid, 8837 Unknown, 0 Unchecked, 16.75ms Time], IncrementalHoareTripleChecker [602 Valid, 8235 Invalid, 0 Unknown, 0 Unchecked, 6378.67ms Time] [2021-08-29 04:56:29,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16845 states. [2021-08-29 04:56:29,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16845 to 12656. [2021-08-29 04:56:29,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12656 states, 12655 states have (on average 1.0378506519162387) internal successors, (13134), 12655 states have internal predecessors, (13134), 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 04:56:29,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12656 states to 12656 states and 13134 transitions. [2021-08-29 04:56:29,802 INFO L78 Accepts]: Start accepts. Automaton has 12656 states and 13134 transitions. Word has length 611 [2021-08-29 04:56:29,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:29,803 INFO L470 AbstractCegarLoop]: Abstraction has 12656 states and 13134 transitions. [2021-08-29 04:56:29,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 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 04:56:29,803 INFO L276 IsEmpty]: Start isEmpty. Operand 12656 states and 13134 transitions. [2021-08-29 04:56:29,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 682 [2021-08-29 04:56:29,813 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:29,813 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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] [2021-08-29 04:56:29,843 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 04:56:30,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-29 04:56:30,029 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:30,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:30,029 INFO L82 PathProgramCache]: Analyzing trace with hash -504436410, now seen corresponding path program 1 times [2021-08-29 04:56:30,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:30,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266922308] [2021-08-29 04:56:30,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:30,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:30,269 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2021-08-29 04:56:30,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:30,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266922308] [2021-08-29 04:56:30,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266922308] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:30,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:30,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:30,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565838729] [2021-08-29 04:56:30,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:30,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:30,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:30,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:30,273 INFO L87 Difference]: Start difference. First operand 12656 states and 13134 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 04:56:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:31,341 INFO L93 Difference]: Finished difference Result 27997 states and 29099 transitions. [2021-08-29 04:56:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:31,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 681 [2021-08-29 04:56:31,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:31,359 INFO L225 Difference]: With dead ends: 27997 [2021-08-29 04:56:31,359 INFO L226 Difference]: Without dead ends: 15343 [2021-08-29 04:56:31,369 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:31,369 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 274 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 811.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.23ms SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 993.25ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:31,370 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 0 Invalid, 1094 Unknown, 0 Unchecked, 1.23ms Time], IncrementalHoareTripleChecker [107 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 993.25ms Time] [2021-08-29 04:56:31,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15343 states. [2021-08-29 04:56:31,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15343 to 14744. [2021-08-29 04:56:31,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14744 states, 14743 states have (on average 1.033643084853829) internal successors, (15239), 14743 states have internal predecessors, (15239), 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 04:56:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14744 states to 14744 states and 15239 transitions. [2021-08-29 04:56:31,622 INFO L78 Accepts]: Start accepts. Automaton has 14744 states and 15239 transitions. Word has length 681 [2021-08-29 04:56:31,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:31,623 INFO L470 AbstractCegarLoop]: Abstraction has 14744 states and 15239 transitions. [2021-08-29 04:56:31,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 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 04:56:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 14744 states and 15239 transitions. [2021-08-29 04:56:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2021-08-29 04:56:31,631 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:31,634 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:31,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-29 04:56:31,634 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:31,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:31,635 INFO L82 PathProgramCache]: Analyzing trace with hash -613071182, now seen corresponding path program 1 times [2021-08-29 04:56:31,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:31,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078419989] [2021-08-29 04:56:31,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:31,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 605 proven. 190 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-08-29 04:56:31,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:31,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078419989] [2021-08-29 04:56:31,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078419989] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 04:56:31,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855395533] [2021-08-29 04:56:31,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:31,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:56:31,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 04:56:31,861 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 04:56:31,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-29 04:56:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:32,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 04:56:32,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 04:56:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-08-29 04:56:38,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 04:56:38,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855395533] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:38,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 04:56:38,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-29 04:56:38,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765385724] [2021-08-29 04:56:38,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:38,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:38,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:38,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 04:56:38,473 INFO L87 Difference]: Start difference. First operand 14744 states and 15239 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 04:56:38,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:38,993 INFO L93 Difference]: Finished difference Result 15046 states and 15546 transitions. [2021-08-29 04:56:38,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:38,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 688 [2021-08-29 04:56:38,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:39,005 INFO L225 Difference]: With dead ends: 15046 [2021-08-29 04:56:39,005 INFO L226 Difference]: Without dead ends: 15044 [2021-08-29 04:56:39,008 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 687 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 70.76ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 04:56:39,008 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 247 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 369.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.83ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 803 IncrementalHoareTripleChecker+Unchecked, 476.89ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:39,009 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 0 Invalid, 1297 Unknown, 0 Unchecked, 1.83ms Time], IncrementalHoareTripleChecker [0 Valid, 494 Invalid, 0 Unknown, 803 Unchecked, 476.89ms Time] [2021-08-29 04:56:39,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15044 states. [2021-08-29 04:56:39,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15044 to 14744. [2021-08-29 04:56:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14744 states, 14743 states have (on average 1.033643084853829) internal successors, (15239), 14743 states have internal predecessors, (15239), 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 04:56:39,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14744 states to 14744 states and 15239 transitions. [2021-08-29 04:56:39,158 INFO L78 Accepts]: Start accepts. Automaton has 14744 states and 15239 transitions. Word has length 688 [2021-08-29 04:56:39,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:39,159 INFO L470 AbstractCegarLoop]: Abstraction has 14744 states and 15239 transitions. [2021-08-29 04:56:39,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 04:56:39,159 INFO L276 IsEmpty]: Start isEmpty. Operand 14744 states and 15239 transitions. [2021-08-29 04:56:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2021-08-29 04:56:39,170 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:39,171 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:56:39,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-29 04:56:39,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-29 04:56:39,385 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:39,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:39,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1403579945, now seen corresponding path program 1 times [2021-08-29 04:56:39,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:39,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664374525] [2021-08-29 04:56:39,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:39,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 268 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 04:56:39,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:39,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664374525] [2021-08-29 04:56:39,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664374525] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 04:56:39,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011276944] [2021-08-29 04:56:39,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:39,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:56:39,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 04:56:39,744 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 04:56:39,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-29 04:56:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:39,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-29 04:56:39,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 04:56:43,113 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 536 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 04:56:43,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 04:56:46,226 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 536 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 04:56:46,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011276944] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 04:56:46,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 04:56:46,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2021-08-29 04:56:46,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947948248] [2021-08-29 04:56:46,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-29 04:56:46,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:46,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-29 04:56:46,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-08-29 04:56:46,231 INFO L87 Difference]: Start difference. First operand 14744 states and 15239 transitions. Second operand has 10 states, 10 states have (on average 142.4) internal successors, (1424), 10 states have internal predecessors, (1424), 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 04:56:51,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:51,598 INFO L93 Difference]: Finished difference Result 35363 states and 36588 transitions. [2021-08-29 04:56:51,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-29 04:56:51,598 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 142.4) internal successors, (1424), 10 states have internal predecessors, (1424), 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 714 [2021-08-29 04:56:51,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:51,622 INFO L225 Difference]: With dead ends: 35363 [2021-08-29 04:56:51,622 INFO L226 Difference]: Without dead ends: 20920 [2021-08-29 04:56:51,636 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1470 GetRequests, 1443 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 247.63ms TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2021-08-29 04:56:51,637 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 3279 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 7193 mSolverCounterSat, 792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4063.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3279 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 7985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.45ms SdHoareTripleChecker+Time, 792 IncrementalHoareTripleChecker+Valid, 7193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4929.15ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:51,637 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [3279 Valid, 0 Invalid, 7985 Unknown, 0 Unchecked, 16.45ms Time], IncrementalHoareTripleChecker [792 Valid, 7193 Invalid, 0 Unknown, 0 Unchecked, 4929.15ms Time] [2021-08-29 04:56:51,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20920 states. [2021-08-29 04:56:51,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20920 to 15043. [2021-08-29 04:56:51,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15043 states, 15042 states have (on average 1.031578247573461) internal successors, (15517), 15042 states have internal predecessors, (15517), 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 04:56:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15043 states to 15043 states and 15517 transitions. [2021-08-29 04:56:51,846 INFO L78 Accepts]: Start accepts. Automaton has 15043 states and 15517 transitions. Word has length 714 [2021-08-29 04:56:51,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:51,846 INFO L470 AbstractCegarLoop]: Abstraction has 15043 states and 15517 transitions. [2021-08-29 04:56:51,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 142.4) internal successors, (1424), 10 states have internal predecessors, (1424), 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 04:56:51,847 INFO L276 IsEmpty]: Start isEmpty. Operand 15043 states and 15517 transitions. [2021-08-29 04:56:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2021-08-29 04:56:51,859 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:51,860 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:51,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-29 04:56:52,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:56:52,073 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:52,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:52,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1193329383, now seen corresponding path program 1 times [2021-08-29 04:56:52,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:52,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225421205] [2021-08-29 04:56:52,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:52,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2021-08-29 04:56:52,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:52,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225421205] [2021-08-29 04:56:52,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225421205] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:52,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:52,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:52,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131171004] [2021-08-29 04:56:52,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:52,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:52,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:52,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:52,349 INFO L87 Difference]: Start difference. First operand 15043 states and 15517 transitions. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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 04:56:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:53,474 INFO L93 Difference]: Finished difference Result 33987 states and 35116 transitions. [2021-08-29 04:56:53,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:53,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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 764 [2021-08-29 04:56:53,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:53,492 INFO L225 Difference]: With dead ends: 33987 [2021-08-29 04:56:53,492 INFO L226 Difference]: Without dead ends: 18946 [2021-08-29 04:56:53,501 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.43ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:53,502 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 286 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 849.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.65ms SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1029.82ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:53,502 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [286 Valid, 0 Invalid, 1119 Unknown, 0 Unchecked, 1.65ms Time], IncrementalHoareTripleChecker [79 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1029.82ms Time] [2021-08-29 04:56:53,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18946 states. [2021-08-29 04:56:53,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18946 to 16539. [2021-08-29 04:56:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16539 states, 16538 states have (on average 1.033075341637441) internal successors, (17085), 16538 states have internal predecessors, (17085), 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 04:56:53,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16539 states to 16539 states and 17085 transitions. [2021-08-29 04:56:53,636 INFO L78 Accepts]: Start accepts. Automaton has 16539 states and 17085 transitions. Word has length 764 [2021-08-29 04:56:53,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:53,636 INFO L470 AbstractCegarLoop]: Abstraction has 16539 states and 17085 transitions. [2021-08-29 04:56:53,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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 04:56:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 16539 states and 17085 transitions. [2021-08-29 04:56:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2021-08-29 04:56:53,646 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:53,647 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 4, 4, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:56:53,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-29 04:56:53,647 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:53,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:53,648 INFO L82 PathProgramCache]: Analyzing trace with hash 2048798901, now seen corresponding path program 1 times [2021-08-29 04:56:53,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:53,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593209617] [2021-08-29 04:56:53,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:53,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:53,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2021-08-29 04:56:53,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:53,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593209617] [2021-08-29 04:56:53,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593209617] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:53,932 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:53,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:53,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117295391] [2021-08-29 04:56:53,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:53,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:53,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:53,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:53,934 INFO L87 Difference]: Start difference. First operand 16539 states and 17085 transitions. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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 04:56:55,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:55,035 INFO L93 Difference]: Finished difference Result 37271 states and 38585 transitions. [2021-08-29 04:56:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:55,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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 790 [2021-08-29 04:56:55,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:55,055 INFO L225 Difference]: With dead ends: 37271 [2021-08-29 04:56:55,055 INFO L226 Difference]: Without dead ends: 21033 [2021-08-29 04:56:55,065 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:55,065 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 176 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 822.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.55ms SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 998.75ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:55,066 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 0 Invalid, 1398 Unknown, 0 Unchecked, 1.55ms Time], IncrementalHoareTripleChecker [85 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 998.75ms Time] [2021-08-29 04:56:55,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21033 states. [2021-08-29 04:56:55,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21033 to 19538. [2021-08-29 04:56:55,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19538 states, 19537 states have (on average 1.0303014792445104) internal successors, (20129), 19537 states have internal predecessors, (20129), 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 04:56:55,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19538 states to 19538 states and 20129 transitions. [2021-08-29 04:56:55,222 INFO L78 Accepts]: Start accepts. Automaton has 19538 states and 20129 transitions. Word has length 790 [2021-08-29 04:56:55,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:55,223 INFO L470 AbstractCegarLoop]: Abstraction has 19538 states and 20129 transitions. [2021-08-29 04:56:55,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 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 04:56:55,223 INFO L276 IsEmpty]: Start isEmpty. Operand 19538 states and 20129 transitions. [2021-08-29 04:56:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2021-08-29 04:56:55,234 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:55,234 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 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, 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, 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, 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] [2021-08-29 04:56:55,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-29 04:56:55,235 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:55,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:55,235 INFO L82 PathProgramCache]: Analyzing trace with hash 935429561, now seen corresponding path program 1 times [2021-08-29 04:56:55,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:55,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617618933] [2021-08-29 04:56:55,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:55,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 684 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2021-08-29 04:56:55,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:55,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617618933] [2021-08-29 04:56:55,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617618933] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:55,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:55,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:55,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329387492] [2021-08-29 04:56:55,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:55,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:55,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:55,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:55,517 INFO L87 Difference]: Start difference. First operand 19538 states and 20129 transitions. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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 04:56:56,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:56,560 INFO L93 Difference]: Finished difference Result 41464 states and 42786 transitions. [2021-08-29 04:56:56,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:56,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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 810 [2021-08-29 04:56:56,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:56,579 INFO L225 Difference]: With dead ends: 41464 [2021-08-29 04:56:56,579 INFO L226 Difference]: Without dead ends: 22227 [2021-08-29 04:56:56,589 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:56,590 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 35 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 778.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.34ms SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 944.51ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:56,590 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 0 Invalid, 1361 Unknown, 0 Unchecked, 1.34ms Time], IncrementalHoareTripleChecker [102 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 944.51ms Time] [2021-08-29 04:56:56,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22227 states. [2021-08-29 04:56:56,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22227 to 18926. [2021-08-29 04:56:56,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18926 states, 18925 states have (on average 1.0300660501981507) internal successors, (19494), 18925 states have internal predecessors, (19494), 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 04:56:56,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18926 states to 18926 states and 19494 transitions. [2021-08-29 04:56:56,751 INFO L78 Accepts]: Start accepts. Automaton has 18926 states and 19494 transitions. Word has length 810 [2021-08-29 04:56:56,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:56,752 INFO L470 AbstractCegarLoop]: Abstraction has 18926 states and 19494 transitions. [2021-08-29 04:56:56,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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 04:56:56,752 INFO L276 IsEmpty]: Start isEmpty. Operand 18926 states and 19494 transitions. [2021-08-29 04:56:56,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2021-08-29 04:56:56,763 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:56,763 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:56:56,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-29 04:56:56,763 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:56,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:56,764 INFO L82 PathProgramCache]: Analyzing trace with hash 501790466, now seen corresponding path program 1 times [2021-08-29 04:56:56,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:56,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949972167] [2021-08-29 04:56:56,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:56,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:56,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 631 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2021-08-29 04:56:56,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:56,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949972167] [2021-08-29 04:56:56,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949972167] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:56,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:56,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:56,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412535486] [2021-08-29 04:56:56,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:56,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:56,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:56,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:56,950 INFO L87 Difference]: Start difference. First operand 18926 states and 19494 transitions. Second operand has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 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 04:56:57,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:57,880 INFO L93 Difference]: Finished difference Result 37549 states and 38683 transitions. [2021-08-29 04:56:57,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:57,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 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 811 [2021-08-29 04:56:57,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:57,897 INFO L225 Difference]: With dead ends: 37549 [2021-08-29 04:56:57,897 INFO L226 Difference]: Without dead ends: 18924 [2021-08-29 04:56:57,908 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:57,909 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 434 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 692.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.22ms SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 827.12ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:57,909 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 0 Invalid, 856 Unknown, 0 Unchecked, 1.22ms Time], IncrementalHoareTripleChecker [67 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 827.12ms Time] [2021-08-29 04:56:57,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18924 states. [2021-08-29 04:56:58,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18924 to 18924. [2021-08-29 04:56:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18924 states, 18923 states have (on average 1.02996353643714) internal successors, (19490), 18923 states have internal predecessors, (19490), 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 04:56:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18924 states to 18924 states and 19490 transitions. [2021-08-29 04:56:58,088 INFO L78 Accepts]: Start accepts. Automaton has 18924 states and 19490 transitions. Word has length 811 [2021-08-29 04:56:58,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:58,088 INFO L470 AbstractCegarLoop]: Abstraction has 18924 states and 19490 transitions. [2021-08-29 04:56:58,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 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 04:56:58,088 INFO L276 IsEmpty]: Start isEmpty. Operand 18924 states and 19490 transitions. [2021-08-29 04:56:58,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2021-08-29 04:56:58,098 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:58,098 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:56:58,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-29 04:56:58,098 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:58,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:58,099 INFO L82 PathProgramCache]: Analyzing trace with hash -735045425, now seen corresponding path program 1 times [2021-08-29 04:56:58,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:58,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100097084] [2021-08-29 04:56:58,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:58,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:58,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 753 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2021-08-29 04:56:58,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:58,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100097084] [2021-08-29 04:56:58,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100097084] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:58,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:58,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:58,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427155823] [2021-08-29 04:56:58,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:58,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:58,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:58,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:58,342 INFO L87 Difference]: Start difference. First operand 18924 states and 19490 transitions. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 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 04:56:59,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:56:59,351 INFO L93 Difference]: Finished difference Result 39636 states and 40900 transitions. [2021-08-29 04:56:59,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:56:59,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 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 825 [2021-08-29 04:56:59,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:56:59,375 INFO L225 Difference]: With dead ends: 39636 [2021-08-29 04:56:59,375 INFO L226 Difference]: Without dead ends: 21013 [2021-08-29 04:56:59,387 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:59,387 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 193 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 748.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.40ms SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 912.39ms IncrementalHoareTripleChecker+Time [2021-08-29 04:56:59,387 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 0 Invalid, 1300 Unknown, 0 Unchecked, 1.40ms Time], IncrementalHoareTripleChecker [120 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 912.39ms Time] [2021-08-29 04:56:59,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21013 states. [2021-08-29 04:56:59,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21013 to 19817. [2021-08-29 04:56:59,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19817 states, 19816 states have (on average 1.0282095276544208) internal successors, (20375), 19816 states have internal predecessors, (20375), 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 04:56:59,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19817 states to 19817 states and 20375 transitions. [2021-08-29 04:56:59,624 INFO L78 Accepts]: Start accepts. Automaton has 19817 states and 20375 transitions. Word has length 825 [2021-08-29 04:56:59,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:56:59,625 INFO L470 AbstractCegarLoop]: Abstraction has 19817 states and 20375 transitions. [2021-08-29 04:56:59,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 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 04:56:59,625 INFO L276 IsEmpty]: Start isEmpty. Operand 19817 states and 20375 transitions. [2021-08-29 04:56:59,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2021-08-29 04:56:59,636 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:56:59,637 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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] [2021-08-29 04:56:59,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-29 04:56:59,637 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:56:59,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:56:59,638 INFO L82 PathProgramCache]: Analyzing trace with hash 671470593, now seen corresponding path program 1 times [2021-08-29 04:56:59,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:56:59,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594592772] [2021-08-29 04:56:59,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:56:59,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:56:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:56:59,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2021-08-29 04:56:59,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:56:59,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594592772] [2021-08-29 04:56:59,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594592772] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:56:59,909 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:56:59,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:56:59,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170153129] [2021-08-29 04:56:59,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:56:59,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:56:59,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:56:59,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:56:59,911 INFO L87 Difference]: Start difference. First operand 19817 states and 20375 transitions. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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 04:57:00,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:57:00,982 INFO L93 Difference]: Finished difference Result 44429 states and 45658 transitions. [2021-08-29 04:57:00,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:57:00,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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 902 [2021-08-29 04:57:00,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:57:01,005 INFO L225 Difference]: With dead ends: 44429 [2021-08-29 04:57:01,005 INFO L226 Difference]: Without dead ends: 24614 [2021-08-29 04:57:01,017 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.48ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:57:01,017 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 291 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 793.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.62ms SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 954.51ms IncrementalHoareTripleChecker+Time [2021-08-29 04:57:01,018 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 0 Invalid, 1045 Unknown, 0 Unchecked, 1.62ms Time], IncrementalHoareTripleChecker [112 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 954.51ms Time] [2021-08-29 04:57:01,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24614 states. [2021-08-29 04:57:01,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24614 to 20116. [2021-08-29 04:57:01,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20116 states, 20115 states have (on average 1.0259507829977628) internal successors, (20637), 20115 states have internal predecessors, (20637), 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 04:57:01,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20116 states to 20116 states and 20637 transitions. [2021-08-29 04:57:01,185 INFO L78 Accepts]: Start accepts. Automaton has 20116 states and 20637 transitions. Word has length 902 [2021-08-29 04:57:01,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:57:01,186 INFO L470 AbstractCegarLoop]: Abstraction has 20116 states and 20637 transitions. [2021-08-29 04:57:01,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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 04:57:01,187 INFO L276 IsEmpty]: Start isEmpty. Operand 20116 states and 20637 transitions. [2021-08-29 04:57:01,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2021-08-29 04:57:01,198 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:57:01,199 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 4, 4, 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, 3, 3, 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, 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] [2021-08-29 04:57:01,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-29 04:57:01,199 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:57:01,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:57:01,200 INFO L82 PathProgramCache]: Analyzing trace with hash 616736490, now seen corresponding path program 1 times [2021-08-29 04:57:01,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:57:01,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158130668] [2021-08-29 04:57:01,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:57:01,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:57:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:57:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 652 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2021-08-29 04:57:01,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:57:01,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158130668] [2021-08-29 04:57:01,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158130668] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:57:01,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:57:01,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:57:01,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893414484] [2021-08-29 04:57:01,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:57:01,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:57:01,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:57:01,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:57:01,535 INFO L87 Difference]: Start difference. First operand 20116 states and 20637 transitions. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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 04:57:02,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:57:02,315 INFO L93 Difference]: Finished difference Result 33020 states and 33803 transitions. [2021-08-29 04:57:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:57:02,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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 923 [2021-08-29 04:57:02,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:57:02,328 INFO L225 Difference]: With dead ends: 33020 [2021-08-29 04:57:02,328 INFO L226 Difference]: Without dead ends: 12906 [2021-08-29 04:57:02,336 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.46ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:57:02,337 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 178 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 573.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.21ms SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 698.37ms IncrementalHoareTripleChecker+Time [2021-08-29 04:57:02,337 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 0 Invalid, 847 Unknown, 0 Unchecked, 1.21ms Time], IncrementalHoareTripleChecker [66 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 698.37ms Time] [2021-08-29 04:57:02,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12906 states. [2021-08-29 04:57:02,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12906 to 10205. [2021-08-29 04:57:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10205 states, 10204 states have (on average 1.0196981575852606) internal successors, (10405), 10204 states have internal predecessors, (10405), 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 04:57:02,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10205 states to 10205 states and 10405 transitions. [2021-08-29 04:57:02,422 INFO L78 Accepts]: Start accepts. Automaton has 10205 states and 10405 transitions. Word has length 923 [2021-08-29 04:57:02,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:57:02,422 INFO L470 AbstractCegarLoop]: Abstraction has 10205 states and 10405 transitions. [2021-08-29 04:57:02,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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 04:57:02,423 INFO L276 IsEmpty]: Start isEmpty. Operand 10205 states and 10405 transitions. [2021-08-29 04:57:02,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 962 [2021-08-29 04:57:02,435 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:57:02,435 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-08-29 04:57:02,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-29 04:57:02,436 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:57:02,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:57:02,436 INFO L82 PathProgramCache]: Analyzing trace with hash 293785821, now seen corresponding path program 1 times [2021-08-29 04:57:02,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:57:02,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947767944] [2021-08-29 04:57:02,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:57:02,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:57:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:57:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 889 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2021-08-29 04:57:02,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:57:02,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947767944] [2021-08-29 04:57:02,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947767944] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:57:02,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:57:02,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:57:02,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983141144] [2021-08-29 04:57:02,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:57:02,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:57:02,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:57:02,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:57:02,709 INFO L87 Difference]: Start difference. First operand 10205 states and 10405 transitions. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 04:57:03,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:57:03,458 INFO L93 Difference]: Finished difference Result 23103 states and 23577 transitions. [2021-08-29 04:57:03,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:57:03,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 961 [2021-08-29 04:57:03,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:57:03,471 INFO L225 Difference]: With dead ends: 23103 [2021-08-29 04:57:03,471 INFO L226 Difference]: Without dead ends: 13199 [2021-08-29 04:57:03,477 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.43ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:57:03,477 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 87 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 561.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.98ms SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 686.61ms IncrementalHoareTripleChecker+Time [2021-08-29 04:57:03,478 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 0 Invalid, 818 Unknown, 0 Unchecked, 0.98ms Time], IncrementalHoareTripleChecker [52 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 686.61ms Time] [2021-08-29 04:57:03,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13199 states. [2021-08-29 04:57:03,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13199 to 12300. [2021-08-29 04:57:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12300 states, 12299 states have (on average 1.0180502479876412) internal successors, (12521), 12299 states have internal predecessors, (12521), 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 04:57:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12300 states to 12300 states and 12521 transitions. [2021-08-29 04:57:03,616 INFO L78 Accepts]: Start accepts. Automaton has 12300 states and 12521 transitions. Word has length 961 [2021-08-29 04:57:03,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:57:03,616 INFO L470 AbstractCegarLoop]: Abstraction has 12300 states and 12521 transitions. [2021-08-29 04:57:03,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 04:57:03,616 INFO L276 IsEmpty]: Start isEmpty. Operand 12300 states and 12521 transitions. [2021-08-29 04:57:03,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1093 [2021-08-29 04:57:03,631 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:57:03,632 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-08-29 04:57:03,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-29 04:57:03,632 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:57:03,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:57:03,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1964789682, now seen corresponding path program 1 times [2021-08-29 04:57:03,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:57:03,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135516162] [2021-08-29 04:57:03,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:57:03,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:57:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:57:03,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2003 backedges. 1287 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2021-08-29 04:57:03,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:57:03,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135516162] [2021-08-29 04:57:03,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135516162] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:57:03,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:57:03,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 04:57:03,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922398831] [2021-08-29 04:57:03,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 04:57:03,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:57:03,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 04:57:03,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 04:57:03,958 INFO L87 Difference]: Start difference. First operand 12300 states and 12521 transitions. Second operand has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 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 04:57:05,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:57:05,274 INFO L93 Difference]: Finished difference Result 18899 states and 19212 transitions. [2021-08-29 04:57:05,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 04:57:05,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 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 1092 [2021-08-29 04:57:05,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:57:05,291 INFO L225 Difference]: With dead ends: 18899 [2021-08-29 04:57:05,291 INFO L226 Difference]: Without dead ends: 18897 [2021-08-29 04:57:05,295 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.34ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 04:57:05,296 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 362 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1014.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.29ms SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1235.59ms IncrementalHoareTripleChecker+Time [2021-08-29 04:57:05,296 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 0 Invalid, 1566 Unknown, 0 Unchecked, 2.29ms Time], IncrementalHoareTripleChecker [76 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 1235.59ms Time] [2021-08-29 04:57:05,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18897 states. [2021-08-29 04:57:05,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18897 to 12902. [2021-08-29 04:57:05,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12902 states, 12901 states have (on average 1.0179055887140531) internal successors, (13132), 12901 states have internal predecessors, (13132), 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 04:57:05,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12902 states to 12902 states and 13132 transitions. [2021-08-29 04:57:05,410 INFO L78 Accepts]: Start accepts. Automaton has 12902 states and 13132 transitions. Word has length 1092 [2021-08-29 04:57:05,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:57:05,411 INFO L470 AbstractCegarLoop]: Abstraction has 12902 states and 13132 transitions. [2021-08-29 04:57:05,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.5) internal successors, (574), 4 states have internal predecessors, (574), 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 04:57:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 12902 states and 13132 transitions. [2021-08-29 04:57:05,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1105 [2021-08-29 04:57:05,425 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:57:05,426 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:05,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-29 04:57:05,426 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:57:05,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:57:05,427 INFO L82 PathProgramCache]: Analyzing trace with hash -868554696, now seen corresponding path program 1 times [2021-08-29 04:57:05,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:57:05,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707423629] [2021-08-29 04:57:05,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:57:05,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:57:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:57:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1887 backedges. 967 proven. 0 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2021-08-29 04:57:05,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:57:05,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707423629] [2021-08-29 04:57:05,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707423629] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:57:05,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:57:05,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:57:05,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998806221] [2021-08-29 04:57:05,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:57:05,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:57:05,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:57:05,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:57:05,768 INFO L87 Difference]: Start difference. First operand 12902 states and 13132 transitions. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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 04:57:06,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:57:06,615 INFO L93 Difference]: Finished difference Result 25801 states and 26266 transitions. [2021-08-29 04:57:06,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:57:06,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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 1104 [2021-08-29 04:57:06,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:57:06,625 INFO L225 Difference]: With dead ends: 25801 [2021-08-29 04:57:06,626 INFO L226 Difference]: Without dead ends: 13200 [2021-08-29 04:57:06,633 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.89ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:57:06,633 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 310 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 628.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.09ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 765.34ms IncrementalHoareTripleChecker+Time [2021-08-29 04:57:06,634 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 0 Invalid, 1107 Unknown, 0 Unchecked, 1.09ms Time], IncrementalHoareTripleChecker [24 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 765.34ms Time] [2021-08-29 04:57:06,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13200 states. [2021-08-29 04:57:06,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13200 to 11105. [2021-08-29 04:57:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11105 states, 11104 states have (on average 1.015850144092219) internal successors, (11280), 11104 states have internal predecessors, (11280), 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 04:57:06,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11105 states to 11105 states and 11280 transitions. [2021-08-29 04:57:06,736 INFO L78 Accepts]: Start accepts. Automaton has 11105 states and 11280 transitions. Word has length 1104 [2021-08-29 04:57:06,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:57:06,737 INFO L470 AbstractCegarLoop]: Abstraction has 11105 states and 11280 transitions. [2021-08-29 04:57:06,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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 04:57:06,737 INFO L276 IsEmpty]: Start isEmpty. Operand 11105 states and 11280 transitions. [2021-08-29 04:57:06,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1189 [2021-08-29 04:57:06,749 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:57:06,750 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 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, 4, 4, 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] [2021-08-29 04:57:06,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-29 04:57:06,750 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:57:06,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:57:06,751 INFO L82 PathProgramCache]: Analyzing trace with hash -154136927, now seen corresponding path program 1 times [2021-08-29 04:57:06,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:57:06,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400633349] [2021-08-29 04:57:06,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:57:06,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:57:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:57:07,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2236 backedges. 269 proven. 1108 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2021-08-29 04:57:07,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:57:07,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400633349] [2021-08-29 04:57:07,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400633349] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 04:57:07,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266116844] [2021-08-29 04:57:07,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:57:07,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:57:07,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 04:57:07,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 04:57:07,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-29 04:57:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:57:07,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 04:57:07,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 04:57:19,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2236 backedges. 1451 proven. 0 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2021-08-29 04:57:19,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 04:57:19,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266116844] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:57:19,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 04:57:19,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-29 04:57:19,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875428287] [2021-08-29 04:57:19,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:57:19,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:57:19,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:57:19,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-29 04:57:19,049 INFO L87 Difference]: Start difference. First operand 11105 states and 11280 transitions. Second operand has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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 04:57:19,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:57:19,452 INFO L93 Difference]: Finished difference Result 22037 states and 22390 transitions. [2021-08-29 04:57:19,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:57:19,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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 1188 [2021-08-29 04:57:19,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:57:19,461 INFO L225 Difference]: With dead ends: 22037 [2021-08-29 04:57:19,461 INFO L226 Difference]: Without dead ends: 11233 [2021-08-29 04:57:19,467 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1191 GetRequests, 1187 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 243.48ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-08-29 04:57:19,467 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 290.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 532 IncrementalHoareTripleChecker+Unchecked, 353.67ms IncrementalHoareTripleChecker+Time [2021-08-29 04:57:19,467 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 933 Unknown, 0 Unchecked, 0.50ms Time], IncrementalHoareTripleChecker [0 Valid, 401 Invalid, 0 Unknown, 532 Unchecked, 353.67ms Time] [2021-08-29 04:57:19,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11233 states. [2021-08-29 04:57:19,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11233 to 11233. [2021-08-29 04:57:19,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11233 states, 11232 states have (on average 1.016025641025641) internal successors, (11412), 11232 states have internal predecessors, (11412), 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 04:57:19,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11233 states to 11233 states and 11412 transitions. [2021-08-29 04:57:19,553 INFO L78 Accepts]: Start accepts. Automaton has 11233 states and 11412 transitions. Word has length 1188 [2021-08-29 04:57:19,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:57:19,553 INFO L470 AbstractCegarLoop]: Abstraction has 11233 states and 11412 transitions. [2021-08-29 04:57:19,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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 04:57:19,554 INFO L276 IsEmpty]: Start isEmpty. Operand 11233 states and 11412 transitions. [2021-08-29 04:57:19,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1217 [2021-08-29 04:57:19,568 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:57:19,568 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 4, 4, 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] [2021-08-29 04:57:19,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-29 04:57:19,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-08-29 04:57:19,769 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:57:19,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:57:19,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1609974387, now seen corresponding path program 1 times [2021-08-29 04:57:19,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:57:19,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710000130] [2021-08-29 04:57:19,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:57:19,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:57:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:57:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 1150 proven. 0 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2021-08-29 04:57:20,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:57:20,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710000130] [2021-08-29 04:57:20,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710000130] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:57:20,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:57:20,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 04:57:20,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498182369] [2021-08-29 04:57:20,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 04:57:20,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:57:20,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 04:57:20,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-29 04:57:20,199 INFO L87 Difference]: Start difference. First operand 11233 states and 11412 transitions. Second operand has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 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 04:57:21,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:57:21,687 INFO L93 Difference]: Finished difference Result 24355 states and 24743 transitions. [2021-08-29 04:57:21,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 04:57:21,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 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 1216 [2021-08-29 04:57:21,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:57:21,699 INFO L225 Difference]: With dead ends: 24355 [2021-08-29 04:57:21,699 INFO L226 Difference]: Without dead ends: 13423 [2021-08-29 04:57:21,704 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.08ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-08-29 04:57:21,705 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 465 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 2578 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1139.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.46ms SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 2578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1388.22ms IncrementalHoareTripleChecker+Time [2021-08-29 04:57:21,705 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 0 Invalid, 2646 Unknown, 0 Unchecked, 2.46ms Time], IncrementalHoareTripleChecker [68 Valid, 2578 Invalid, 0 Unknown, 0 Unchecked, 1388.22ms Time] [2021-08-29 04:57:21,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13423 states. [2021-08-29 04:57:21,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13423 to 11230. [2021-08-29 04:57:21,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11230 states, 11229 states have (on average 1.0158518122717963) internal successors, (11407), 11229 states have internal predecessors, (11407), 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 04:57:21,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11230 states to 11230 states and 11407 transitions. [2021-08-29 04:57:21,786 INFO L78 Accepts]: Start accepts. Automaton has 11230 states and 11407 transitions. Word has length 1216 [2021-08-29 04:57:21,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:57:21,787 INFO L470 AbstractCegarLoop]: Abstraction has 11230 states and 11407 transitions. [2021-08-29 04:57:21,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.8) internal successors, (574), 5 states have internal predecessors, (574), 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 04:57:21,787 INFO L276 IsEmpty]: Start isEmpty. Operand 11230 states and 11407 transitions. [2021-08-29 04:57:21,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1488 [2021-08-29 04:57:21,804 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:57:21,804 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:57:21,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-29 04:57:21,805 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:57:21,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:57:21,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1520966139, now seen corresponding path program 1 times [2021-08-29 04:57:21,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:57:21,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850415554] [2021-08-29 04:57:21,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:57:21,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:57:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:57:22,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3419 backedges. 323 proven. 1867 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked. [2021-08-29 04:57:22,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:57:22,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850415554] [2021-08-29 04:57:22,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850415554] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 04:57:22,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717167377] [2021-08-29 04:57:22,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:57:22,269 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:57:22,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 04:57:22,273 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 04:57:22,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-29 04:57:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:57:22,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 1685 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-29 04:57:22,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 04:57:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3419 backedges. 2506 proven. 128 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2021-08-29 04:57:42,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 04:57:53,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3419 backedges. 2566 proven. 68 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2021-08-29 04:57:53,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717167377] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 04:57:53,846 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 04:57:53,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 10, 11] total 20 [2021-08-29 04:57:53,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929125961] [2021-08-29 04:57:53,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-29 04:57:53,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:57:53,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-29 04:57:53,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2021-08-29 04:57:53,849 INFO L87 Difference]: Start difference. First operand 11230 states and 11407 transitions. Second operand has 20 states, 20 states have (on average 96.95) internal successors, (1939), 20 states have internal predecessors, (1939), 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 04:58:00,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:58:00,186 INFO L93 Difference]: Finished difference Result 28372 states and 28812 transitions. [2021-08-29 04:58:00,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-29 04:58:00,187 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 96.95) internal successors, (1939), 20 states have internal predecessors, (1939), 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 1487 [2021-08-29 04:58:00,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:58:00,188 INFO L225 Difference]: With dead ends: 28372 [2021-08-29 04:58:00,188 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 04:58:00,197 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3004 GetRequests, 2968 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 715.84ms TimeCoverageRelationStatistics Valid=365, Invalid=967, Unknown=0, NotChecked=0, Total=1332 [2021-08-29 04:58:00,197 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 8579 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 9062 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4733.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8579 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.60ms SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 9062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5673.63ms IncrementalHoareTripleChecker+Time [2021-08-29 04:58:00,197 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [8579 Valid, 0 Invalid, 9442 Unknown, 0 Unchecked, 14.60ms Time], IncrementalHoareTripleChecker [380 Valid, 9062 Invalid, 0 Unknown, 0 Unchecked, 5673.63ms Time] [2021-08-29 04:58:00,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 04:58:00,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 04:58:00,198 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 04:58:00,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 04:58:00,198 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1487 [2021-08-29 04:58:00,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:58:00,199 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 04:58:00,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 96.95) internal successors, (1939), 20 states have internal predecessors, (1939), 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 04:58:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 04:58:00,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 04:58:00,202 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 04:58:00,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-29 04:58:00,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:58:00,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 04:58:00,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 04:58:00,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 04:58:01,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 04:58:01,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 04:58:10,105 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,105 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,105 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,105 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,105 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,105 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,105 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-08-29 04:58:10,105 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-08-29 04:58:10,106 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,106 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,106 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,106 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-29 04:58:10,106 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,106 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,106 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,106 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,107 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,107 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-29 04:58:10,107 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,107 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,107 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-08-29 04:58:10,107 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-08-29 04:58:10,107 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,107 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,107 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,108 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,109 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,110 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-08-29 04:58:10,111 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,112 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,113 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,113 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-08-29 04:58:10,113 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-08-29 04:58:10,113 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,113 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-29 04:58:10,113 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,113 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,113 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,113 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,113 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,113 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,113 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-29 04:58:10,113 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,114 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,115 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,116 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,117 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,118 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,118 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,118 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-29 04:58:10,118 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,118 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,118 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,118 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,119 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-29 04:58:10,119 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-29 04:58:10,119 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,119 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,119 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,119 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,119 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,119 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-08-29 04:58:10,120 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-08-29 04:58:10,120 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,120 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-29 04:58:10,120 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-29 04:58:10,120 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,120 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,120 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,120 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,121 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,121 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-08-29 04:58:10,121 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-08-29 04:58:10,121 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-08-29 04:58:10,121 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-08-29 04:58:10,121 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,121 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,121 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,122 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-29 04:58:10,122 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-29 04:58:10,122 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,122 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,122 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,122 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,122 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,123 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,123 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-08-29 04:58:10,123 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-08-29 04:58:10,123 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-29 04:58:10,123 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,123 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-29 04:58:10,123 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,123 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,124 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,124 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,124 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,124 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,124 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,124 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,124 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-29 04:58:10,125 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-29 04:58:10,125 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-08-29 04:58:10,125 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-08-29 04:58:10,125 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,125 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,125 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,125 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,126 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse26 (+ ~a4~0 86)) (.cse25 (+ ~a0~0 147))) (let ((.cse2 (<= 0 (+ 44 ~a0~0))) (.cse11 (<= 0 (+ ~a0~0 459337))) (.cse12 (<= .cse25 0)) (.cse20 (<= .cse26 0)) (.cse15 (< 0 (+ ~a29~0 16))) (.cse24 (<= 0 (+ ~a29~0 192415))) (.cse14 (<= ~a29~0 41)) (.cse3 (<= (+ ~a0~0 61) 0)) (.cse10 (<= ~a29~0 31)) (.cse18 (< 0 .cse26)) (.cse0 (= 2 ~a2~0)) (.cse16 (<= 0 (+ 595424 ~a0~0))) (.cse8 (= 5 ~a2~0)) (.cse9 (< 43 ~a29~0)) (.cse13 (<= 0 (+ ~a0~0 145))) (.cse19 (= ~a2~0 4)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse6 (= 3 ~a2~0)) (.cse21 (<= (+ ~a29~0 144) 0)) (.cse22 (< 0 .cse25)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse17 (or (= ULTIMATE.start_calculate_output_~input 1) (= 2 ULTIMATE.start_calculate_output_~input) (= ULTIMATE.start_calculate_output_~input 4) (= 6 ULTIMATE.start_calculate_output_~input) (= 3 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input))) (.cse5 (<= (+ 98 ~a0~0) 0)) (.cse7 (= ~a2~0 1))) (or (and .cse0 .cse1 .cse2) (and (<= 0 (+ 97 ~a0~0)) .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse3) (and .cse8 .cse9 .cse1 .cse2) (and .cse10 .cse11 .cse8 .cse4 .cse12) (and .cse8 .cse1 .cse3) (and .cse10 .cse8 .cse4 .cse5 .cse13) (and .cse14 .cse1 .cse15 .cse2 .cse6) (and .cse8 .cse9 .cse16 .cse4 .cse12) (and .cse9 .cse16 .cse4 .cse17 .cse5 .cse7) (and .cse18 .cse9 .cse16 .cse4 .cse5 .cse19) (and .cse7 .cse20 .cse3 .cse21) (and .cse9 .cse1 .cse2 .cse6) (and .cse18 .cse22 .cse9 .cse4 .cse0 .cse5) (let ((.cse23 (+ ~a29~0 127))) (and (<= 0 .cse23) .cse17 .cse1 .cse7 .cse2 (<= .cse23 0))) (and .cse18 .cse11 .cse8 .cse4 .cse12) (and .cse18 .cse16 .cse4 .cse0 .cse12) (and .cse8 .cse14 .cse1 .cse24) (and .cse14 .cse16 .cse4 .cse17 (or (and .cse7 .cse3) (and .cse18 .cse7)) (or .cse22 .cse20 .cse15) .cse24) (and .cse14 .cse0 .cse1 .cse3) (and .cse1 .cse6 .cse3) (and .cse10 .cse18 .cse4 .cse0 .cse5 .cse13) (and .cse16 .cse4 (<= (+ ~a0~0 150) 0) .cse19) (and .cse8 .cse9 .cse4 .cse5 .cse13) (and .cse1 .cse19) (and .cse1 .cse6 .cse21) (and .cse22 .cse4 .cse17 .cse5 .cse7)))) [2021-08-29 04:58:10,126 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-29 04:58:10,126 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-29 04:58:10,126 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,126 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,127 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,127 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,127 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,127 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,127 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,127 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-08-29 04:58:10,127 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,127 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-08-29 04:58:10,128 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-08-29 04:58:10,128 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,128 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-08-29 04:58:10,128 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-08-29 04:58:10,128 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-29 04:58:10,128 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-29 04:58:10,128 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,129 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,129 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,129 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,129 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,129 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-29 04:58:10,129 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-29 04:58:10,129 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,129 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-08-29 04:58:10,130 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-08-29 04:58:10,130 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,130 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,130 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 04:58:10,130 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,130 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,130 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,130 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,131 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse30 (+ ~a4~0 86))) (let ((.cse18 (= 2 ULTIMATE.start_calculate_output_~input)) (.cse28 (+ ~a0~0 147)) (.cse21 (< 0 .cse30)) (.cse9 (= ~a2~0 1)) (.cse4 (<= (+ ~a0~0 61) 0))) (let ((.cse13 (< 0 (+ ~a29~0 16))) (.cse2 (<= 0 (+ 44 ~a0~0))) (.cse19 (<= .cse30 0)) (.cse3 (<= 0 (+ 97 ~a0~0))) (.cse20 (let ((.cse29 (<= ~a29~0 401234))) (or (and .cse21 .cse9 .cse29) (and .cse9 .cse29 .cse4)))) (.cse27 (<= 0 (+ ~a29~0 192415))) (.cse12 (<= ~a29~0 41)) (.cse0 (= 2 ~a2~0)) (.cse14 (<= 0 (+ 595424 ~a0~0))) (.cse25 (<= ~a29~0 31)) (.cse16 (<= 0 (+ ~a0~0 459337))) (.cse15 (<= .cse28 0)) (.cse10 (= 5 ~a2~0)) (.cse11 (< 43 ~a29~0)) (.cse26 (<= 0 (+ ~a0~0 145))) (.cse22 (= ~a2~0 4)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse7 (= 3 ~a2~0)) (.cse24 (<= (+ ~a29~0 144) 0)) (.cse23 (< 0 .cse28)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse17 (or (= ULTIMATE.start_calculate_output_~input 1) .cse18 (= ULTIMATE.start_calculate_output_~input 4) (= 6 ULTIMATE.start_calculate_output_~input) (= 3 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input))) (.cse6 (<= (+ 98 ~a0~0) 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse4) (and .cse5 .cse6 .cse7) (let ((.cse8 (+ ~a29~0 127))) (and (<= 0 .cse8) .cse1 .cse9 .cse2 (<= .cse8 0))) (and .cse1 .cse9 .cse4) (and .cse10 .cse11 .cse1 .cse2) (and .cse10 .cse1 .cse4) (and .cse12 .cse1 .cse13 .cse2 .cse7) (and .cse10 .cse11 .cse14 .cse5 .cse15) (and .cse16 .cse12 .cse5 .cse17 .cse15 .cse9 (not .cse18)) (and (or .cse19 .cse13) .cse12 .cse14 .cse5 .cse17 .cse20) (and .cse21 .cse11 .cse14 .cse5 .cse6 .cse22) (and .cse11 .cse1 .cse2 .cse7) (and .cse21 .cse23 .cse11 .cse5 .cse0 .cse6) (and .cse21 .cse14 .cse5 .cse0 .cse15) (and .cse9 .cse19 .cse24) (and .cse21 .cse16 .cse10 .cse5 .cse15 .cse4) (and .cse25 .cse10 .cse5 .cse6 .cse26 .cse4) (and .cse11 .cse14 .cse5 .cse15 .cse9) (and .cse10 .cse12 .cse1 .cse27) (and .cse3 .cse5 (<= (+ ~a29~0 9) 0) .cse20 .cse27) (and .cse12 .cse0 .cse1 .cse4) (and .cse1 .cse7 .cse4) (and .cse25 .cse21 .cse5 .cse0 .cse6 .cse26) (and .cse14 .cse5 (<= (+ ~a0~0 150) 0) .cse22) (and .cse25 .cse16 .cse10 .cse5 .cse15 .cse4) (and .cse10 .cse11 .cse5 .cse6 .cse26) (and .cse1 .cse22) (and .cse1 .cse7 .cse24) (and .cse23 .cse5 .cse17 .cse6 .cse9))))) [2021-08-29 04:58:10,131 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,131 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-29 04:58:10,131 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-29 04:58:10,131 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,132 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,132 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,132 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,132 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,132 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,132 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-29 04:58:10,132 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-29 04:58:10,132 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,133 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,133 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-08-29 04:58:10,133 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,133 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,133 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,133 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,133 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,134 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,134 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-29 04:58:10,134 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-29 04:58:10,134 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,134 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,134 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,134 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,134 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,135 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,135 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-29 04:58:10,135 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,135 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-29 04:58:10,135 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,135 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,135 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,135 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,136 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,136 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,136 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,136 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-29 04:58:10,136 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-29 04:58:10,136 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,136 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,136 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,137 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,137 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,137 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,137 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,137 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-29 04:58:10,137 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-29 04:58:10,137 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,137 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,138 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,138 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,138 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,138 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,138 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,138 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-08-29 04:58:10,138 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-08-29 04:58:10,139 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,139 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-29 04:58:10,139 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-29 04:58:10,139 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,139 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,139 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,139 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,139 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,140 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,140 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse30 (+ ~a4~0 86))) (let ((.cse17 (= 2 ULTIMATE.start_calculate_output_~input)) (.cse28 (+ ~a0~0 147)) (.cse20 (< 0 .cse30)) (.cse8 (= ~a2~0 1)) (.cse4 (<= (+ ~a0~0 61) 0))) (let ((.cse12 (< 0 (+ ~a29~0 16))) (.cse2 (<= 0 (+ 44 ~a0~0))) (.cse18 (<= .cse30 0)) (.cse3 (<= 0 (+ 97 ~a0~0))) (.cse19 (let ((.cse29 (<= ~a29~0 401234))) (or (and .cse20 .cse8 .cse29) (and .cse8 .cse29 .cse4)))) (.cse27 (<= 0 (+ ~a29~0 192415))) (.cse11 (<= ~a29~0 41)) (.cse0 (= 2 ~a2~0)) (.cse13 (<= 0 (+ 595424 ~a0~0))) (.cse25 (<= ~a29~0 31)) (.cse15 (<= 0 (+ ~a0~0 459337))) (.cse14 (<= .cse28 0)) (.cse9 (= 5 ~a2~0)) (.cse10 (< 43 ~a29~0)) (.cse26 (<= 0 (+ ~a0~0 145))) (.cse21 (= ~a2~0 4)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse7 (= 3 ~a2~0)) (.cse24 (<= (+ ~a29~0 144) 0)) (.cse22 (< 0 .cse28)) (.cse5 (<= (+ 42 ~a4~0) 0)) (.cse16 (or (= ULTIMATE.start_calculate_output_~input 1) .cse17 (= ULTIMATE.start_calculate_output_~input 4) (= 6 ULTIMATE.start_calculate_output_~input) (= 3 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input))) (.cse6 (<= (+ 98 ~a0~0) 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse4) (and .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse4) (and .cse9 .cse10 .cse1 .cse2) (and .cse9 .cse1 .cse4) (and .cse11 .cse1 .cse12 .cse2 .cse7) (and .cse9 .cse10 .cse13 .cse5 .cse14) (and .cse15 .cse11 .cse5 .cse16 .cse14 .cse8 (not .cse17)) (and (or .cse18 .cse12) .cse11 .cse13 .cse5 .cse16 .cse19) (and .cse20 .cse10 .cse13 .cse5 .cse6 .cse21) (and .cse10 .cse1 .cse2 .cse7) (and .cse20 .cse22 .cse10 .cse5 .cse0 .cse6) (let ((.cse23 (+ ~a29~0 127))) (and (<= 0 .cse23) .cse16 .cse1 .cse8 .cse2 (<= .cse23 0))) (and .cse20 .cse13 .cse5 .cse0 .cse14) (and .cse8 .cse18 .cse24) (and .cse20 .cse15 .cse9 .cse5 .cse14 .cse4) (and .cse25 .cse9 .cse5 .cse6 .cse26 .cse4) (and .cse10 .cse13 .cse5 .cse14 .cse8) (and .cse9 .cse11 .cse1 .cse27) (and .cse3 .cse5 (<= (+ ~a29~0 9) 0) .cse19 .cse27) (and .cse11 .cse0 .cse1 .cse4) (and .cse1 .cse7 .cse4) (and .cse25 .cse20 .cse5 .cse0 .cse6 .cse26) (and .cse13 .cse5 (<= (+ ~a0~0 150) 0) .cse21) (and .cse25 .cse15 .cse9 .cse5 .cse14 .cse4) (and .cse9 .cse10 .cse5 .cse6 .cse26) (and .cse1 .cse21) (and .cse1 .cse7 .cse24) (and .cse22 .cse5 .cse16 .cse6 .cse8))))) [2021-08-29 04:58:10,140 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-29 04:58:10,140 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-29 04:58:10,140 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,140 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,141 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,141 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,141 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,141 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,141 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,141 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,141 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-29 04:58:10,141 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-29 04:58:10,142 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,142 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-08-29 04:58:10,142 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-08-29 04:58:10,142 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,142 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,142 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,142 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,143 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,143 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,143 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 04:58:10,143 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-29 04:58:10,143 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,143 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,143 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,144 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,144 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-08-29 04:58:10,144 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-08-29 04:58:10,144 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-08-29 04:58:10,144 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,144 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-08-29 04:58:10,144 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-29 04:58:10,145 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,145 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,145 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,145 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,145 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,145 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,145 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,145 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-29 04:58:10,146 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,146 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,146 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,146 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,146 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-29 04:58:10,146 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,146 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,146 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-08-29 04:58:10,147 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,147 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,147 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,147 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,147 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,147 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,147 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,147 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-08-29 04:58:10,148 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-08-29 04:58:10,148 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,148 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-29 04:58:10,148 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,148 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 04:58:10,148 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,148 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-29 04:58:10,148 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-08-29 04:58:10,152 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 04:58:10,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:58:10 BoogieIcfgContainer [2021-08-29 04:58:10,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 04:58:10,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 04:58:10,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 04:58:10,181 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 04:58:10,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:55:49" (3/4) ... [2021-08-29 04:58:10,184 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 04:58:10,211 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-29 04:58:10,213 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 04:58:10,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 04:58:10,216 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 04:58:10,365 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 04:58:10,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 04:58:10,365 INFO L158 Benchmark]: Toolchain (without parser) took 143273.05ms. Allocated memory was 60.8MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 40.3MB in the beginning and 807.9MB in the end (delta: -767.6MB). Peak memory consumption was 681.1MB. Max. memory is 16.1GB. [2021-08-29 04:58:10,369 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 04:58:10,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 921.49ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 40.1MB in the beginning and 46.4MB in the end (delta: -6.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-08-29 04:58:10,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 246.59ms. Allocated memory is still 86.0MB. Free memory was 46.4MB in the beginning and 30.3MB in the end (delta: 16.1MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-08-29 04:58:10,369 INFO L158 Benchmark]: Boogie Preprocessor took 300.69ms. Allocated memory was 86.0MB in the beginning and 127.9MB in the end (delta: 41.9MB). Free memory was 30.3MB in the beginning and 59.2MB in the end (delta: -28.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-08-29 04:58:10,373 INFO L158 Benchmark]: RCFGBuilder took 1112.75ms. Allocated memory was 127.9MB in the beginning and 255.9MB in the end (delta: 127.9MB). Free memory was 58.7MB in the beginning and 173.1MB in the end (delta: -114.4MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2021-08-29 04:58:10,376 INFO L158 Benchmark]: TraceAbstraction took 140500.59ms. Allocated memory was 255.9MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 172.1MB in the beginning and 849.9MB in the end (delta: -677.8MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2021-08-29 04:58:10,377 INFO L158 Benchmark]: Witness Printer took 183.97ms. Allocated memory is still 1.5GB. Free memory was 849.9MB in the beginning and 807.9MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-08-29 04:58:10,379 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 921.49ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 40.1MB in the beginning and 46.4MB in the end (delta: -6.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 246.59ms. Allocated memory is still 86.0MB. Free memory was 46.4MB in the beginning and 30.3MB in the end (delta: 16.1MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 300.69ms. Allocated memory was 86.0MB in the beginning and 127.9MB in the end (delta: 41.9MB). Free memory was 30.3MB in the beginning and 59.2MB in the end (delta: -28.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1112.75ms. Allocated memory was 127.9MB in the beginning and 255.9MB in the end (delta: 127.9MB). Free memory was 58.7MB in the beginning and 173.1MB in the end (delta: -114.4MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * TraceAbstraction took 140500.59ms. Allocated memory was 255.9MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 172.1MB in the beginning and 849.9MB in the end (delta: -677.8MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 183.97ms. Allocated memory is still 1.5GB. Free memory was 849.9MB in the beginning and 807.9MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. 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: 185]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 140409.38ms, OverallIterations: 30, TraceHistogramMax: 7, EmptinessCheckTime: 297.65ms, AutomataDifference: 57844.21ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 9674.42ms, InitialAbstractionConstructionTime: 24.46ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21142 SdHoareTripleChecker+Valid, 53505.51ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21142 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 44990.47ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1335 IncrementalHoareTripleChecker+Unchecked, 1743 mSDsCounter, 5272 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58704 IncrementalHoareTripleChecker+Invalid, 65311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5272 mSolverCounterUnsat, 0 mSDtfsCounter, 58704 mSolverCounterSat, 124.20ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7664 GetRequests, 7548 SyntacticMatches, 1 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 1455.78ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=20116occurred in iteration=23, InterpolantAutomatonStates: 154, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 3927.39ms AutomataMinimizationTime, 30 MinimizatonAttempts, 42285 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 274 NumberOfFragments, 2097 HoareAnnotationTreeSize, 4 FomulaSimplifications, 381386 FormulaSimplificationTreeSizeReduction, 2013.04ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 243944 FormulaSimplificationTreeSizeReductionInter, 7649.41ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 697.85ms SsaConstructionTime, 2378.67ms SatisfiabilityAnalysisTime, 63921.01ms InterpolantComputationTime, 24573 NumberOfCodeBlocks, 24573 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 27347 ConstructedInterpolants, 182 QuantifiedInterpolants, 132563 SizeOfPredicates, 20 NumberOfNonLiveVariables, 5513 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 38 InterpolantComputations, 27 PerfectInterpolantSequences, 36668/40735 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) || (((0 <= 97 + a0 && 2 == a2) && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((5 == a2 && 43 < a29) && 89 + a4 <= 0) && 0 <= 44 + a0)) || ((((a29 <= 31 && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && a0 + 147 <= 0)) || ((5 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((a29 <= 31 && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= a0 + 145)) || ((((a29 <= 41 && 89 + a4 <= 0) && 0 < a29 + 16) && 0 <= 44 + a0) && 3 == a2)) || ((((5 == a2 && 43 < a29) && 0 <= 595424 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0)) || (((((43 < a29 && 0 <= 595424 + a0) && 42 + a4 <= 0) && (((((input == 1 || 2 == input) || input == 4) || 6 == input) || 3 == input) || 5 == input)) && 98 + a0 <= 0) && a2 == 1)) || (((((0 < a4 + 86 && 43 < a29) && 0 <= 595424 + a0) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (((43 < a29 && 89 + a4 <= 0) && 0 <= 44 + a0) && 3 == a2)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || (((((0 <= a29 + 127 && (((((input == 1 || 2 == input) || input == 4) || 6 == input) || 3 == input) || 5 == input)) && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && a0 + 147 <= 0)) || ((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0)) || (((5 == a2 && a29 <= 41) && 89 + a4 <= 0) && 0 <= a29 + 192415)) || ((((((a29 <= 41 && 0 <= 595424 + a0) && 42 + a4 <= 0) && (((((input == 1 || 2 == input) || input == 4) || 6 == input) || 3 == input) || 5 == input)) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && ((0 < a0 + 147 || a4 + 86 <= 0) || 0 < a29 + 16)) && 0 <= a29 + 192415)) || (((a29 <= 41 && 2 == a2) && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((((a29 <= 31 && 0 < a4 + 86) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 <= a0 + 145)) || (((0 <= 595424 + a0 && 42 + a4 <= 0) && a0 + 150 <= 0) && a2 == 4)) || ((((5 == a2 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= a0 + 145)) || (89 + a4 <= 0 && a2 == 4)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 144 <= 0)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && (((((input == 1 || 2 == input) || input == 4) || 6 == input) || 3 == input) || 5 == input)) && 98 + a0 <= 0) && a2 == 1) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) || (((0 <= 97 + a0 && 2 == a2) && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((5 == a2 && 43 < a29) && 89 + a4 <= 0) && 0 <= 44 + a0)) || ((5 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((a29 <= 41 && 89 + a4 <= 0) && 0 < a29 + 16) && 0 <= 44 + a0) && 3 == a2)) || ((((5 == a2 && 43 < a29) && 0 <= 595424 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0)) || ((((((0 <= a0 + 459337 && a29 <= 41) && 42 + a4 <= 0) && (((((input == 1 || 2 == input) || input == 4) || 6 == input) || 3 == input) || 5 == input)) && a0 + 147 <= 0) && a2 == 1) && !(2 == input))) || ((((((a4 + 86 <= 0 || 0 < a29 + 16) && a29 <= 41) && 0 <= 595424 + a0) && 42 + a4 <= 0) && (((((input == 1 || 2 == input) || input == 4) || 6 == input) || 3 == input) || 5 == input)) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0)))) || (((((0 < a4 + 86 && 43 < a29) && 0 <= 595424 + a0) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4)) || (((43 < a29 && 89 + a4 <= 0) && 0 <= 44 + a0) && 3 == a2)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || ((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((0 < a4 + 86 && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && a0 + 147 <= 0) && a0 + 61 <= 0)) || (((((a29 <= 31 && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= a0 + 145) && a0 + 61 <= 0)) || ((((43 < a29 && 0 <= 595424 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1)) || (((5 == a2 && a29 <= 41) && 89 + a4 <= 0) && 0 <= a29 + 192415)) || ((((0 <= 97 + a0 && 42 + a4 <= 0) && a29 + 9 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= a29 + 192415)) || (((a29 <= 41 && 2 == a2) && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((((a29 <= 31 && 0 < a4 + 86) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 <= a0 + 145)) || (((0 <= 595424 + a0 && 42 + a4 <= 0) && a0 + 150 <= 0) && a2 == 4)) || (((((a29 <= 31 && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && a0 + 147 <= 0) && a0 + 61 <= 0)) || ((((5 == a2 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= a0 + 145)) || (89 + a4 <= 0 && a2 == 4)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 144 <= 0)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && (((((input == 1 || 2 == input) || input == 4) || 6 == input) || 3 == input) || 5 == input)) && 98 + a0 <= 0) && a2 == 1) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && 0 <= 44 + a0) || (((0 <= 97 + a0 && 2 == a2) && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((5 == a2 && 43 < a29) && 89 + a4 <= 0) && 0 <= 44 + a0)) || ((5 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((a29 <= 41 && 89 + a4 <= 0) && 0 < a29 + 16) && 0 <= 44 + a0) && 3 == a2)) || ((((5 == a2 && 43 < a29) && 0 <= 595424 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0)) || ((((((0 <= a0 + 459337 && a29 <= 41) && 42 + a4 <= 0) && (((((input == 1 || 2 == input) || input == 4) || 6 == input) || 3 == input) || 5 == input)) && a0 + 147 <= 0) && a2 == 1) && !(2 == input))) || ((((((a4 + 86 <= 0 || 0 < a29 + 16) && a29 <= 41) && 0 <= 595424 + a0) && 42 + a4 <= 0) && (((((input == 1 || 2 == input) || input == 4) || 6 == input) || 3 == input) || 5 == input)) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0)))) || (((((0 < a4 + 86 && 43 < a29) && 0 <= 595424 + a0) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 4)) || (((43 < a29 && 89 + a4 <= 0) && 0 <= 44 + a0) && 3 == a2)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || (((((0 <= a29 + 127 && (((((input == 1 || 2 == input) || input == 4) || 6 == input) || 3 == input) || 5 == input)) && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 0 <= 595424 + a0) && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((0 < a4 + 86 && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && a0 + 147 <= 0) && a0 + 61 <= 0)) || (((((a29 <= 31 && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= a0 + 145) && a0 + 61 <= 0)) || ((((43 < a29 && 0 <= 595424 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1)) || (((5 == a2 && a29 <= 41) && 89 + a4 <= 0) && 0 <= a29 + 192415)) || ((((0 <= 97 + a0 && 42 + a4 <= 0) && a29 + 9 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= a29 + 192415)) || (((a29 <= 41 && 2 == a2) && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((((a29 <= 31 && 0 < a4 + 86) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 <= a0 + 145)) || (((0 <= 595424 + a0 && 42 + a4 <= 0) && a0 + 150 <= 0) && a2 == 4)) || (((((a29 <= 31 && 0 <= a0 + 459337) && 5 == a2) && 42 + a4 <= 0) && a0 + 147 <= 0) && a0 + 61 <= 0)) || ((((5 == a2 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= a0 + 145)) || (89 + a4 <= 0 && a2 == 4)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 144 <= 0)) || ((((0 < a0 + 147 && 42 + a4 <= 0) && (((((input == 1 || 2 == input) || input == 4) || 6 == input) || 3 == input) || 5 == input)) && 98 + a0 <= 0) && a2 == 1) RESULT: Ultimate proved your program to be correct! [2021-08-29 04:58:10,415 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...