./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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/Problem14_label01.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 1c37d32a33cb40c9afe6e04b3666819154b9d70eb1819b42c10fde7907ef957d --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 04:42:54,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 04:42:54,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 04:42:54,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 04:42:54,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 04:42:54,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 04:42:54,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 04:42:54,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 04:42:54,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 04:42:54,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 04:42:54,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 04:42:54,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 04:42:54,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 04:42:54,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 04:42:54,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 04:42:54,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 04:42:54,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 04:42:54,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 04:42:54,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 04:42:54,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 04:42:54,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 04:42:54,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 04:42:54,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 04:42:54,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 04:42:54,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 04:42:54,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 04:42:54,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 04:42:54,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 04:42:54,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 04:42:54,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 04:42:54,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 04:42:54,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 04:42:54,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 04:42:54,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 04:42:54,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 04:42:54,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 04:42:54,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 04:42:54,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 04:42:54,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 04:42:54,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 04:42:54,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 04:42:54,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 04:42:54,532 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 04:42:54,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 04:42:54,533 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 04:42:54,533 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 04:42:54,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 04:42:54,534 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 04:42:54,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 04:42:54,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 04:42:54,535 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 04:42:54,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 04:42:54,536 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 04:42:54,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 04:42:54,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 04:42:54,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 04:42:54,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 04:42:54,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 04:42:54,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 04:42:54,537 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 04:42:54,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 04:42:54,538 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 04:42:54,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 04:42:54,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 04:42:54,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 04:42:54,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 04:42:54,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:42:54,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 04:42:54,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 04:42:54,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 04:42:54,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 04:42:54,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 04:42:54,541 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 04:42:54,541 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 04:42:54,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 04:42:54,541 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 04:42:54,541 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c37d32a33cb40c9afe6e04b3666819154b9d70eb1819b42c10fde7907ef957d [2021-12-17 04:42:54,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 04:42:54,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 04:42:54,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 04:42:54,822 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 04:42:54,822 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 04:42:54,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label01.c [2021-12-17 04:42:54,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befe93323/531a0279f0464a028dadbf7965e017ba/FLAGbe9364011 [2021-12-17 04:42:55,366 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 04:42:55,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label01.c [2021-12-17 04:42:55,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befe93323/531a0279f0464a028dadbf7965e017ba/FLAGbe9364011 [2021-12-17 04:42:55,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befe93323/531a0279f0464a028dadbf7965e017ba [2021-12-17 04:42:55,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 04:42:55,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 04:42:55,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 04:42:55,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 04:42:55,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 04:42:55,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:42:55" (1/1) ... [2021-12-17 04:42:55,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b55ef62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:42:55, skipping insertion in model container [2021-12-17 04:42:55,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:42:55" (1/1) ... [2021-12-17 04:42:55,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 04:42:55,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 04:42:55,910 WARN L230 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/Problem14_label01.c[5556,5569] [2021-12-17 04:42:56,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:42:56,093 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 04:42:56,125 WARN L230 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/Problem14_label01.c[5556,5569] [2021-12-17 04:42:56,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:42:56,257 INFO L208 MainTranslator]: Completed translation [2021-12-17 04:42:56,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:42:56 WrapperNode [2021-12-17 04:42:56,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 04:42:56,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 04:42:56,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 04:42:56,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 04:42:56,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:42:56" (1/1) ... [2021-12-17 04:42:56,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:42:56" (1/1) ... [2021-12-17 04:42:56,380 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2021-12-17 04:42:56,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 04:42:56,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 04:42:56,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 04:42:56,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 04:42:56,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:42:56" (1/1) ... [2021-12-17 04:42:56,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:42:56" (1/1) ... [2021-12-17 04:42:56,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:42:56" (1/1) ... [2021-12-17 04:42:56,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:42:56" (1/1) ... [2021-12-17 04:42:56,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:42:56" (1/1) ... [2021-12-17 04:42:56,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:42:56" (1/1) ... [2021-12-17 04:42:56,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:42:56" (1/1) ... [2021-12-17 04:42:56,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 04:42:56,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 04:42:56,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 04:42:56,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 04:42:56,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:42:56" (1/1) ... [2021-12-17 04:42:56,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:42:56,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:42:56,520 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) [2021-12-17 04:42:56,533 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 [2021-12-17 04:42:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 04:42:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 04:42:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 04:42:56,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 04:42:56,628 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 04:42:56,629 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 04:42:57,643 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 04:42:57,651 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 04:42:57,651 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 04:42:57,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:42:57 BoogieIcfgContainer [2021-12-17 04:42:57,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 04:42:57,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 04:42:57,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 04:42:57,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 04:42:57,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 04:42:55" (1/3) ... [2021-12-17 04:42:57,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d006b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:42:57, skipping insertion in model container [2021-12-17 04:42:57,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:42:56" (2/3) ... [2021-12-17 04:42:57,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d006b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:42:57, skipping insertion in model container [2021-12-17 04:42:57,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:42:57" (3/3) ... [2021-12-17 04:42:57,660 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label01.c [2021-12-17 04:42:57,665 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 04:42:57,665 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 04:42:57,720 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 04:42:57,726 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-17 04:42:57,726 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 04:42:57,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 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) [2021-12-17 04:42:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-17 04:42:57,762 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:42:57,763 INFO L514 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] [2021-12-17 04:42:57,763 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:42:57,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:42:57,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1425694346, now seen corresponding path program 1 times [2021-12-17 04:42:57,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:42:57,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068345090] [2021-12-17 04:42:57,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:42:57,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:42:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:42:58,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:42:58,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:42:58,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068345090] [2021-12-17 04:42:58,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068345090] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:42:58,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:42:58,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:42:58,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393934806] [2021-12-17 04:42:58,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:42:58,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:42:58,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:42:58,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:42:58,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:42:58,073 INFO L87 Difference]: Start difference. First operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-12-17 04:42:59,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:42:59,523 INFO L93 Difference]: Finished difference Result 852 states and 1560 transitions. [2021-12-17 04:42:59,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:42:59,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2021-12-17 04:42:59,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:42:59,539 INFO L225 Difference]: With dead ends: 852 [2021-12-17 04:42:59,539 INFO L226 Difference]: Without dead ends: 538 [2021-12-17 04:42:59,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:42:59,546 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 497 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:42:59,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 192 Invalid, 1593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-17 04:42:59,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2021-12-17 04:42:59,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2021-12-17 04:42:59,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 537 states have (on average 1.4487895716945995) internal successors, (778), 537 states have internal predecessors, (778), 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) [2021-12-17 04:42:59,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 778 transitions. [2021-12-17 04:42:59,607 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 778 transitions. Word has length 54 [2021-12-17 04:42:59,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:42:59,607 INFO L470 AbstractCegarLoop]: Abstraction has 538 states and 778 transitions. [2021-12-17 04:42:59,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-12-17 04:42:59,608 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 778 transitions. [2021-12-17 04:42:59,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-17 04:42:59,611 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:42:59,612 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:42:59,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 04:42:59,612 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:42:59,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:42:59,613 INFO L85 PathProgramCache]: Analyzing trace with hash -643749511, now seen corresponding path program 1 times [2021-12-17 04:42:59,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:42:59,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764863489] [2021-12-17 04:42:59,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:42:59,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:42:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:42:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:42:59,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:42:59,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764863489] [2021-12-17 04:42:59,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764863489] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:42:59,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:42:59,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:42:59,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312263599] [2021-12-17 04:42:59,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:42:59,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:42:59,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:42:59,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:42:59,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:42:59,742 INFO L87 Difference]: Start difference. First operand 538 states and 778 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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) [2021-12-17 04:43:00,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:43:00,313 INFO L93 Difference]: Finished difference Result 1074 states and 1656 transitions. [2021-12-17 04:43:00,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:43:00,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-12-17 04:43:00,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:43:00,317 INFO L225 Difference]: With dead ends: 1074 [2021-12-17 04:43:00,317 INFO L226 Difference]: Without dead ends: 716 [2021-12-17 04:43:00,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:43:00,320 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 125 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:43:00,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 57 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:43:00,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2021-12-17 04:43:00,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2021-12-17 04:43:00,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 715 states have (on average 1.353846153846154) internal successors, (968), 715 states have internal predecessors, (968), 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) [2021-12-17 04:43:00,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 968 transitions. [2021-12-17 04:43:00,374 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 968 transitions. Word has length 120 [2021-12-17 04:43:00,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:43:00,377 INFO L470 AbstractCegarLoop]: Abstraction has 716 states and 968 transitions. [2021-12-17 04:43:00,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 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) [2021-12-17 04:43:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 968 transitions. [2021-12-17 04:43:00,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-12-17 04:43:00,390 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:43:00,390 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:43:00,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 04:43:00,392 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:43:00,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:43:00,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1294125814, now seen corresponding path program 1 times [2021-12-17 04:43:00,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:43:00,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338242341] [2021-12-17 04:43:00,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:43:00,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:43:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:43:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:43:00,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:43:00,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338242341] [2021-12-17 04:43:00,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338242341] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:43:00,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:43:00,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:43:00,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929299728] [2021-12-17 04:43:00,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:43:00,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:43:00,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:43:00,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:43:00,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:43:00,555 INFO L87 Difference]: Start difference. First operand 716 states and 968 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 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) [2021-12-17 04:43:01,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:43:01,180 INFO L93 Difference]: Finished difference Result 1639 states and 2269 transitions. [2021-12-17 04:43:01,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:43:01,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 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 134 [2021-12-17 04:43:01,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:43:01,184 INFO L225 Difference]: With dead ends: 1639 [2021-12-17 04:43:01,185 INFO L226 Difference]: Without dead ends: 1074 [2021-12-17 04:43:01,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:43:01,187 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 114 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:43:01,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 115 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:43:01,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2021-12-17 04:43:01,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1072. [2021-12-17 04:43:01,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1071 states have (on average 1.1475256769374416) internal successors, (1229), 1071 states have internal predecessors, (1229), 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) [2021-12-17 04:43:01,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1229 transitions. [2021-12-17 04:43:01,211 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1229 transitions. Word has length 134 [2021-12-17 04:43:01,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:43:01,212 INFO L470 AbstractCegarLoop]: Abstraction has 1072 states and 1229 transitions. [2021-12-17 04:43:01,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 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) [2021-12-17 04:43:01,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1229 transitions. [2021-12-17 04:43:01,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-12-17 04:43:01,217 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:43:01,217 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:43:01,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 04:43:01,218 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:43:01,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:43:01,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1136873583, now seen corresponding path program 1 times [2021-12-17 04:43:01,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:43:01,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846741582] [2021-12-17 04:43:01,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:43:01,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:43:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:43:01,411 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-12-17 04:43:01,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:43:01,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846741582] [2021-12-17 04:43:01,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846741582] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:43:01,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:43:01,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:43:01,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864953200] [2021-12-17 04:43:01,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:43:01,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:43:01,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:43:01,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:43:01,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:43:01,415 INFO L87 Difference]: Start difference. First operand 1072 states and 1229 transitions. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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) [2021-12-17 04:43:01,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:43:01,898 INFO L93 Difference]: Finished difference Result 2498 states and 2961 transitions. [2021-12-17 04:43:01,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:43:01,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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 334 [2021-12-17 04:43:01,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:43:01,903 INFO L225 Difference]: With dead ends: 2498 [2021-12-17 04:43:01,904 INFO L226 Difference]: Without dead ends: 1606 [2021-12-17 04:43:01,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:43:01,906 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 111 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:43:01,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 77 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:43:01,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2021-12-17 04:43:01,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1428. [2021-12-17 04:43:01,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1427 states have (on average 1.138051857042747) internal successors, (1624), 1427 states have internal predecessors, (1624), 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) [2021-12-17 04:43:01,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1624 transitions. [2021-12-17 04:43:01,943 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1624 transitions. Word has length 334 [2021-12-17 04:43:01,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:43:01,946 INFO L470 AbstractCegarLoop]: Abstraction has 1428 states and 1624 transitions. [2021-12-17 04:43:01,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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) [2021-12-17 04:43:01,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1624 transitions. [2021-12-17 04:43:01,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-12-17 04:43:01,951 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:43:01,951 INFO L514 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, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:43:01,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 04:43:01,952 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:43:01,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:43:01,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1557203837, now seen corresponding path program 1 times [2021-12-17 04:43:01,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:43:01,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053377396] [2021-12-17 04:43:01,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:43:01,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:43:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:43:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-12-17 04:43:02,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:43:02,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053377396] [2021-12-17 04:43:02,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053377396] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:43:02,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:43:02,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:43:02,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764708750] [2021-12-17 04:43:02,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:43:02,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:43:02,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:43:02,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:43:02,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:43:02,115 INFO L87 Difference]: Start difference. First operand 1428 states and 1624 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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) [2021-12-17 04:43:02,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:43:02,671 INFO L93 Difference]: Finished difference Result 2883 states and 3312 transitions. [2021-12-17 04:43:02,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:43:02,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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 345 [2021-12-17 04:43:02,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:43:02,678 INFO L225 Difference]: With dead ends: 2883 [2021-12-17 04:43:02,678 INFO L226 Difference]: Without dead ends: 1606 [2021-12-17 04:43:02,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:43:02,680 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 142 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:43:02,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 17 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:43:02,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2021-12-17 04:43:02,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1428. [2021-12-17 04:43:02,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1427 states have (on average 1.0953048353188508) internal successors, (1563), 1427 states have internal predecessors, (1563), 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) [2021-12-17 04:43:02,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1563 transitions. [2021-12-17 04:43:02,708 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1563 transitions. Word has length 345 [2021-12-17 04:43:02,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:43:02,708 INFO L470 AbstractCegarLoop]: Abstraction has 1428 states and 1563 transitions. [2021-12-17 04:43:02,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 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) [2021-12-17 04:43:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1563 transitions. [2021-12-17 04:43:02,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-12-17 04:43:02,713 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:43:02,713 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:43:02,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 04:43:02,714 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:43:02,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:43:02,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1308696789, now seen corresponding path program 1 times [2021-12-17 04:43:02,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:43:02,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310895198] [2021-12-17 04:43:02,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:43:02,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:43:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:43:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 322 proven. 23 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-17 04:43:02,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:43:02,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310895198] [2021-12-17 04:43:02,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310895198] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:43:02,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493595099] [2021-12-17 04:43:02,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:43:02,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:43:02,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:43:02,875 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) [2021-12-17 04:43:02,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 04:43:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:43:02,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:43:03,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:43:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2021-12-17 04:43:03,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:43:03,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493595099] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:43:03,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:43:03,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 04:43:03,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022550063] [2021-12-17 04:43:03,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:43:03,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:43:03,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:43:03,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:43:03,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:43:03,634 INFO L87 Difference]: Start difference. First operand 1428 states and 1563 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2021-12-17 04:43:04,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:43:04,177 INFO L93 Difference]: Finished difference Result 3388 states and 3766 transitions. [2021-12-17 04:43:04,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:43:04,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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 358 [2021-12-17 04:43:04,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:43:04,185 INFO L225 Difference]: With dead ends: 3388 [2021-12-17 04:43:04,185 INFO L226 Difference]: Without dead ends: 2140 [2021-12-17 04:43:04,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:43:04,192 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 127 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:43:04,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 247 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:43:04,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2021-12-17 04:43:04,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1962. [2021-12-17 04:43:04,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1961 states have (on average 1.0897501274859764) internal successors, (2137), 1961 states have internal predecessors, (2137), 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) [2021-12-17 04:43:04,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2137 transitions. [2021-12-17 04:43:04,229 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2137 transitions. Word has length 358 [2021-12-17 04:43:04,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:43:04,229 INFO L470 AbstractCegarLoop]: Abstraction has 1962 states and 2137 transitions. [2021-12-17 04:43:04,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2021-12-17 04:43:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2137 transitions. [2021-12-17 04:43:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-12-17 04:43:04,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:43:04,236 INFO L514 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-17 04:43:04,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-17 04:43:04,451 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,SelfDestructingSolverStorable5 [2021-12-17 04:43:04,452 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:43:04,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:43:04,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1283115963, now seen corresponding path program 1 times [2021-12-17 04:43:04,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:43:04,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512158815] [2021-12-17 04:43:04,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:43:04,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:43:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:43:04,627 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 419 proven. 23 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-12-17 04:43:04,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:43:04,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512158815] [2021-12-17 04:43:04,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512158815] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:43:04,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264999864] [2021-12-17 04:43:04,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:43:04,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:43:04,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:43:04,633 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) [2021-12-17 04:43:04,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 04:43:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:43:04,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:43:04,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:43:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-12-17 04:43:05,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:43:05,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264999864] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:43:05,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:43:05,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 04:43:05,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920420652] [2021-12-17 04:43:05,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:43:05,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:43:05,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:43:05,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:43:05,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:43:05,330 INFO L87 Difference]: Start difference. First operand 1962 states and 2137 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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) [2021-12-17 04:43:05,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:43:05,761 INFO L93 Difference]: Finished difference Result 4278 states and 4733 transitions. [2021-12-17 04:43:05,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:43:05,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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 450 [2021-12-17 04:43:05,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:43:05,770 INFO L225 Difference]: With dead ends: 4278 [2021-12-17 04:43:05,770 INFO L226 Difference]: Without dead ends: 2496 [2021-12-17 04:43:05,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:43:05,773 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 130 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:43:05,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 206 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 04:43:05,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2021-12-17 04:43:05,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2140. [2021-12-17 04:43:05,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 2139 states have (on average 1.1089294062646096) internal successors, (2372), 2139 states have internal predecessors, (2372), 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) [2021-12-17 04:43:05,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2372 transitions. [2021-12-17 04:43:05,812 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2372 transitions. Word has length 450 [2021-12-17 04:43:05,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:43:05,812 INFO L470 AbstractCegarLoop]: Abstraction has 2140 states and 2372 transitions. [2021-12-17 04:43:05,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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) [2021-12-17 04:43:05,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2372 transitions. [2021-12-17 04:43:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-17 04:43:05,829 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:43:05,830 INFO L514 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-17 04:43:05,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 04:43:06,051 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,SelfDestructingSolverStorable6 [2021-12-17 04:43:06,051 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:43:06,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:43:06,052 INFO L85 PathProgramCache]: Analyzing trace with hash 768838769, now seen corresponding path program 1 times [2021-12-17 04:43:06,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:43:06,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174704599] [2021-12-17 04:43:06,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:43:06,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:43:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:43:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 605 proven. 23 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-12-17 04:43:06,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:43:06,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174704599] [2021-12-17 04:43:06,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174704599] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:43:06,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467850027] [2021-12-17 04:43:06,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:43:06,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:43:06,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:43:06,218 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) [2021-12-17 04:43:06,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 04:43:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:43:06,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:43:06,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:43:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-12-17 04:43:07,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:43:07,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467850027] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:43:07,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:43:07,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 04:43:07,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856082749] [2021-12-17 04:43:07,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:43:07,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:43:07,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:43:07,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:43:07,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:43:07,137 INFO L87 Difference]: Start difference. First operand 2140 states and 2372 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2021-12-17 04:43:07,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:43:07,595 INFO L93 Difference]: Finished difference Result 5166 states and 5790 transitions. [2021-12-17 04:43:07,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:43:07,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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 510 [2021-12-17 04:43:07,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:43:07,597 INFO L225 Difference]: With dead ends: 5166 [2021-12-17 04:43:07,597 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 04:43:07,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 509 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:43:07,602 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 137 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:43:07,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 204 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 04:43:07,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 04:43:07,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 04:43:07,603 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) [2021-12-17 04:43:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 04:43:07,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 510 [2021-12-17 04:43:07,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:43:07,604 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 04:43:07,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2021-12-17 04:43:07,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 04:43:07,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 04:43:07,607 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 04:43:07,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 04:43:07,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:43:07,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 04:43:08,095 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2021-12-17 04:43:08,096 INFO L858 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2021-12-17 04:43:08,096 INFO L858 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2021-12-17 04:43:08,096 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2021-12-17 04:43:08,096 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2021-12-17 04:43:08,096 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,096 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,096 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,096 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2021-12-17 04:43:08,096 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2021-12-17 04:43:08,096 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-17 04:43:08,096 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2021-12-17 04:43:08,097 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,098 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2021-12-17 04:43:08,099 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2021-12-17 04:43:08,100 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,101 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,102 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 04:43:08,103 INFO L858 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-17 04:43:08,104 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2021-12-17 04:43:08,105 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2021-12-17 04:43:08,105 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2021-12-17 04:43:08,105 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,105 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,105 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,105 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-17 04:43:08,105 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-17 04:43:08,105 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-17 04:43:08,105 INFO L858 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2021-12-17 04:43:08,105 INFO L858 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2021-12-17 04:43:08,105 INFO L858 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2021-12-17 04:43:08,105 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2021-12-17 04:43:08,105 INFO L858 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,106 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2021-12-17 04:43:08,107 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-17 04:43:08,107 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-17 04:43:08,107 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-17 04:43:08,107 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2021-12-17 04:43:08,107 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2021-12-17 04:43:08,110 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2021-12-17 04:43:08,110 INFO L858 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2021-12-17 04:43:08,110 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,110 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,110 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,111 INFO L858 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2021-12-17 04:43:08,111 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-17 04:43:08,111 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-17 04:43:08,111 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-17 04:43:08,111 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2021-12-17 04:43:08,111 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2021-12-17 04:43:08,111 INFO L858 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2021-12-17 04:43:08,112 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2021-12-17 04:43:08,112 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,112 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,112 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2021-12-17 04:43:08,112 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-17 04:43:08,112 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-17 04:43:08,112 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2021-12-17 04:43:08,113 INFO L858 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2021-12-17 04:43:08,113 INFO L858 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2021-12-17 04:43:08,113 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2021-12-17 04:43:08,113 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2021-12-17 04:43:08,113 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,113 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,113 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2021-12-17 04:43:08,113 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 04:43:08,114 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-17 04:43:08,114 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-17 04:43:08,114 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2021-12-17 04:43:08,114 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2021-12-17 04:43:08,114 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2021-12-17 04:43:08,114 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,114 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,115 INFO L854 garLoopResultBuilder]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse1 (= ~a24~0 1)) (.cse0 (<= ~a15~0 8))) (or (and (<= ~a21~0 6) .cse0) (and .cse0 (<= 9 ~a21~0)) (and .cse1 (<= ~a21~0 7)) (and .cse1 (not (= ~a15~0 5))) (and (< 11 ~a12~0) .cse0))) [2021-12-17 04:43:08,115 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2021-12-17 04:43:08,115 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2021-12-17 04:43:08,115 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-17 04:43:08,115 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-17 04:43:08,116 INFO L858 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2021-12-17 04:43:08,116 INFO L858 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2021-12-17 04:43:08,116 INFO L858 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2021-12-17 04:43:08,116 INFO L858 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2021-12-17 04:43:08,116 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,116 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,117 INFO L861 garLoopResultBuilder]: At program point L884(lines 884 900) the Hoare annotation is: true [2021-12-17 04:43:08,117 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2021-12-17 04:43:08,117 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2021-12-17 04:43:08,117 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-17 04:43:08,117 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-17 04:43:08,117 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2021-12-17 04:43:08,117 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2021-12-17 04:43:08,117 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2021-12-17 04:43:08,118 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,118 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,118 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 04:43:08,118 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2021-12-17 04:43:08,118 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2021-12-17 04:43:08,118 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-17 04:43:08,118 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-17 04:43:08,119 INFO L858 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2021-12-17 04:43:08,119 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2021-12-17 04:43:08,119 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,119 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,119 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-12-17 04:43:08,119 INFO L858 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,119 INFO L858 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2021-12-17 04:43:08,120 INFO L854 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse1 (= ~a24~0 1)) (.cse0 (<= ~a15~0 8))) (or (and (<= ~a21~0 6) .cse0) (and .cse0 (<= 9 ~a21~0)) (and .cse1 (<= ~a21~0 7)) (and .cse1 (not (= ~a15~0 5))) (and (< 11 ~a12~0) .cse0))) [2021-12-17 04:43:08,120 INFO L858 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2021-12-17 04:43:08,120 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2021-12-17 04:43:08,120 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-17 04:43:08,120 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-17 04:43:08,120 INFO L858 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-12-17 04:43:08,121 INFO L858 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2021-12-17 04:43:08,121 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2021-12-17 04:43:08,121 INFO L858 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2021-12-17 04:43:08,121 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2021-12-17 04:43:08,121 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,121 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,121 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2021-12-17 04:43:08,121 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2021-12-17 04:43:08,122 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-17 04:43:08,122 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-17 04:43:08,122 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-17 04:43:08,125 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:43:08,126 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 04:43:08,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 04:43:08 BoogieIcfgContainer [2021-12-17 04:43:08,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 04:43:08,140 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 04:43:08,140 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 04:43:08,140 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 04:43:08,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:42:57" (3/4) ... [2021-12-17 04:43:08,143 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 04:43:08,160 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 04:43:08,161 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 04:43:08,162 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 04:43:08,163 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 04:43:08,247 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 04:43:08,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 04:43:08,248 INFO L158 Benchmark]: Toolchain (without parser) took 12565.01ms. Allocated memory was 79.7MB in the beginning and 211.8MB in the end (delta: 132.1MB). Free memory was 34.7MB in the beginning and 114.5MB in the end (delta: -79.9MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2021-12-17 04:43:08,249 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 79.7MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 04:43:08,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.06ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 34.5MB in the beginning and 50.3MB in the end (delta: -15.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-12-17 04:43:08,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.49ms. Allocated memory is still 100.7MB. Free memory was 50.3MB in the beginning and 68.4MB in the end (delta: -18.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 04:43:08,249 INFO L158 Benchmark]: Boogie Preprocessor took 102.96ms. Allocated memory is still 100.7MB. Free memory was 68.4MB in the beginning and 62.8MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 04:43:08,250 INFO L158 Benchmark]: RCFGBuilder took 1168.89ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 62.8MB in the beginning and 87.5MB in the end (delta: -24.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2021-12-17 04:43:08,250 INFO L158 Benchmark]: TraceAbstraction took 10484.58ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 87.5MB in the beginning and 133.4MB in the end (delta: -45.9MB). Peak memory consumption was 111.2MB. Max. memory is 16.1GB. [2021-12-17 04:43:08,250 INFO L158 Benchmark]: Witness Printer took 107.69ms. Allocated memory is still 211.8MB. Free memory was 133.4MB in the beginning and 114.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-17 04:43:08,252 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 79.7MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.06ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 34.5MB in the beginning and 50.3MB in the end (delta: -15.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.49ms. Allocated memory is still 100.7MB. Free memory was 50.3MB in the beginning and 68.4MB in the end (delta: -18.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.96ms. Allocated memory is still 100.7MB. Free memory was 68.4MB in the beginning and 62.8MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1168.89ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 62.8MB in the beginning and 87.5MB in the end (delta: -24.7MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * TraceAbstraction took 10484.58ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 87.5MB in the beginning and 133.4MB in the end (delta: -45.9MB). Peak memory consumption was 111.2MB. Max. memory is 16.1GB. * Witness Printer took 107.69ms. Allocated memory is still 211.8MB. Free memory was 133.4MB in the beginning and 114.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 176]: 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, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 8, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1383 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1383 mSDsluCounter, 1115 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 887 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4843 IncrementalHoareTripleChecker+Invalid, 5730 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 887 mSolverCounterUnsat, 1057 mSDtfsCounter, 4843 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1342 GetRequests, 1321 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2140occurred in iteration=7, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 892 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 46 NumberOfFragments, 75 HoareAnnotationTreeSize, 3 FomulaSimplifications, 104 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 656 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 3623 NumberOfCodeBlocks, 3623 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3612 ConstructedInterpolants, 0 QuantifiedInterpolants, 14466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1714 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 4283/4352 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: 30]: Loop Invariant Derived loop invariant: ((((a21 <= 6 && a15 <= 8) || (a15 <= 8 && 9 <= a21)) || (a24 == 1 && a21 <= 7)) || (a24 == 1 && !(a15 == 5))) || (11 < a12 && a15 <= 8) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a21 <= 6 && a15 <= 8) || (a15 <= 8 && 9 <= a21)) || (a24 == 1 && a21 <= 7)) || (a24 == 1 && !(a15 == 5))) || (11 < a12 && a15 <= 8) RESULT: Ultimate proved your program to be correct! [2021-12-17 04:43:08,269 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE