./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer --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 7b840f75fc867ba63f78865f2888fe33f8c0f62a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:34:22,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:34:22,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:34:23,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:34:23,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:34:23,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:34:23,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:34:23,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:34:23,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:34:23,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:34:23,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:34:23,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:34:23,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:34:23,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:34:23,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:34:23,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:34:23,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:34:23,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:34:23,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:34:23,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:34:23,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:34:23,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:34:23,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:34:23,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:34:23,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:34:23,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:34:23,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:34:23,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:34:23,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:34:23,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:34:23,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:34:23,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:34:23,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:34:23,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:34:23,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:34:23,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:34:23,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:34:23,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:34:23,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:34:23,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:34:23,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:34:23,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:34:23,177 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:34:23,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:34:23,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:34:23,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:34:23,180 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:34:23,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:34:23,181 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:34:23,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:34:23,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:34:23,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:34:23,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:34:23,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:34:23,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:34:23,185 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:34:23,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:34:23,185 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:34:23,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:34:23,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:34:23,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:34:23,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:34:23,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:34:23,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:34:23,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:34:23,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:34:23,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:34:23,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:34:23,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:34:23,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:34:23,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:34:23,190 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:/tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b840f75fc867ba63f78865f2888fe33f8c0f62a [2020-11-29 18:34:23,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:34:23,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:34:23,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:34:23,584 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:34:23,585 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:34:23,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c [2020-11-29 18:34:23,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/data/4cda8f3d8/a0633475f92a49e4a4980d039ee7d345/FLAGcf9134dd7 [2020-11-29 18:34:24,290 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:34:24,291 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/sv-benchmarks/c/eca-rers2012/Problem10_label06.c [2020-11-29 18:34:24,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/data/4cda8f3d8/a0633475f92a49e4a4980d039ee7d345/FLAGcf9134dd7 [2020-11-29 18:34:24,546 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/data/4cda8f3d8/a0633475f92a49e4a4980d039ee7d345 [2020-11-29 18:34:24,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:34:24,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:34:24,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:34:24,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:34:24,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:34:24,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:34:24" (1/1) ... [2020-11-29 18:34:24,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@523db3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:24, skipping insertion in model container [2020-11-29 18:34:24,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:34:24" (1/1) ... [2020-11-29 18:34:24,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:34:24,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:34:25,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:34:25,129 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:34:25,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:34:25,258 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:34:25,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:25 WrapperNode [2020-11-29 18:34:25,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:34:25,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:34:25,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:34:25,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:34:25,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:25" (1/1) ... [2020-11-29 18:34:25,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:25" (1/1) ... [2020-11-29 18:34:25,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:34:25,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:34:25,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:34:25,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:34:25,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:25" (1/1) ... [2020-11-29 18:34:25,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:25" (1/1) ... [2020-11-29 18:34:25,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:25" (1/1) ... [2020-11-29 18:34:25,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:25" (1/1) ... [2020-11-29 18:34:25,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:25" (1/1) ... [2020-11-29 18:34:25,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:25" (1/1) ... [2020-11-29 18:34:25,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:25" (1/1) ... [2020-11-29 18:34:25,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:34:25,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:34:25,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:34:25,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:34:25,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:34:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:34:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:34:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:34:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:34:27,203 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:34:27,203 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 18:34:27,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:34:27 BoogieIcfgContainer [2020-11-29 18:34:27,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:34:27,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:34:27,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:34:27,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:34:27,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:34:24" (1/3) ... [2020-11-29 18:34:27,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb29122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:34:27, skipping insertion in model container [2020-11-29 18:34:27,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:34:25" (2/3) ... [2020-11-29 18:34:27,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb29122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:34:27, skipping insertion in model container [2020-11-29 18:34:27,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:34:27" (3/3) ... [2020-11-29 18:34:27,218 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label06.c [2020-11-29 18:34:27,236 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:34:27,241 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:34:27,253 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:34:27,279 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:34:27,280 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:34:27,280 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:34:27,280 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:34:27,280 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:34:27,280 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:34:27,280 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:34:27,280 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:34:27,302 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-29 18:34:27,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 18:34:27,309 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:27,310 INFO L422 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] [2020-11-29 18:34:27,310 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:34:27,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:27,316 INFO L82 PathProgramCache]: Analyzing trace with hash -593706766, now seen corresponding path program 1 times [2020-11-29 18:34:27,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:34:27,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043621529] [2020-11-29 18:34:27,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:34:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:34:27,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043621529] [2020-11-29 18:34:27,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:34:27,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:34:27,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615252695] [2020-11-29 18:34:27,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:34:27,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:34:27,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:34:27,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:34:27,582 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-29 18:34:28,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:28,777 INFO L93 Difference]: Finished difference Result 568 states and 982 transitions. [2020-11-29 18:34:28,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:34:28,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 18:34:28,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:28,805 INFO L225 Difference]: With dead ends: 568 [2020-11-29 18:34:28,806 INFO L226 Difference]: Without dead ends: 282 [2020-11-29 18:34:28,810 INFO L677 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 [2020-11-29 18:34:28,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-29 18:34:28,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-29 18:34:28,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-29 18:34:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2020-11-29 18:34:28,902 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 24 [2020-11-29 18:34:28,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:28,902 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2020-11-29 18:34:28,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:34:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2020-11-29 18:34:28,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-11-29 18:34:28,910 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:28,911 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:34:28,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:34:28,913 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:34:28,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:28,915 INFO L82 PathProgramCache]: Analyzing trace with hash 147213556, now seen corresponding path program 1 times [2020-11-29 18:34:28,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:34:28,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054526092] [2020-11-29 18:34:28,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:34:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:34:29,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054526092] [2020-11-29 18:34:29,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:34:29,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:34:29,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070684111] [2020-11-29 18:34:29,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:34:29,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:34:29,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:34:29,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:34:29,145 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 3 states. [2020-11-29 18:34:29,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:29,941 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2020-11-29 18:34:29,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:34:29,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-11-29 18:34:29,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:29,946 INFO L225 Difference]: With dead ends: 840 [2020-11-29 18:34:29,946 INFO L226 Difference]: Without dead ends: 560 [2020-11-29 18:34:29,948 INFO L677 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 [2020-11-29 18:34:29,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-29 18:34:29,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-29 18:34:29,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-29 18:34:29,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2020-11-29 18:34:29,984 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 94 [2020-11-29 18:34:29,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:29,985 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2020-11-29 18:34:29,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:34:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2020-11-29 18:34:29,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-29 18:34:29,993 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:29,994 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:34:29,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:34:29,995 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:34:29,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:29,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1180246066, now seen corresponding path program 1 times [2020-11-29 18:34:29,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:34:29,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830616783] [2020-11-29 18:34:29,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:34:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:34:30,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830616783] [2020-11-29 18:34:30,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579559397] [2020-11-29 18:34:30,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:34:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:30,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:34:30,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:34:30,471 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:34:30,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:34:30,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 18:34:30,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070869812] [2020-11-29 18:34:30,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:34:30,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:34:30,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:34:30,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:34:30,474 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand 3 states. [2020-11-29 18:34:31,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:31,496 INFO L93 Difference]: Finished difference Result 979 states and 1299 transitions. [2020-11-29 18:34:31,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:34:31,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-29 18:34:31,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:31,503 INFO L225 Difference]: With dead ends: 979 [2020-11-29 18:34:31,504 INFO L226 Difference]: Without dead ends: 977 [2020-11-29 18:34:31,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:34:31,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-29 18:34:31,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699. [2020-11-29 18:34:31,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-29 18:34:31,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 944 transitions. [2020-11-29 18:34:31,529 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 944 transitions. Word has length 99 [2020-11-29 18:34:31,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:31,530 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 944 transitions. [2020-11-29 18:34:31,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:34:31,530 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 944 transitions. [2020-11-29 18:34:31,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-29 18:34:31,533 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:31,534 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:34:31,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-29 18:34:31,751 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:34:31,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:31,751 INFO L82 PathProgramCache]: Analyzing trace with hash -947887748, now seen corresponding path program 1 times [2020-11-29 18:34:31,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:34:31,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613008619] [2020-11-29 18:34:31,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:34:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:34:32,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613008619] [2020-11-29 18:34:32,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:34:32,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:34:32,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681707658] [2020-11-29 18:34:32,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:34:32,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:34:32,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:34:32,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:34:32,104 INFO L87 Difference]: Start difference. First operand 699 states and 944 transitions. Second operand 4 states. [2020-11-29 18:34:33,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:33,050 INFO L93 Difference]: Finished difference Result 1549 states and 2059 transitions. [2020-11-29 18:34:33,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:34:33,051 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-11-29 18:34:33,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:33,056 INFO L225 Difference]: With dead ends: 1549 [2020-11-29 18:34:33,057 INFO L226 Difference]: Without dead ends: 852 [2020-11-29 18:34:33,058 INFO L677 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 [2020-11-29 18:34:33,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-11-29 18:34:33,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 838. [2020-11-29 18:34:33,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-29 18:34:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1088 transitions. [2020-11-29 18:34:33,099 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1088 transitions. Word has length 142 [2020-11-29 18:34:33,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:33,101 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1088 transitions. [2020-11-29 18:34:33,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:34:33,101 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1088 transitions. [2020-11-29 18:34:33,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-29 18:34:33,105 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:33,105 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:34:33,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 18:34:33,105 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:34:33,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:33,107 INFO L82 PathProgramCache]: Analyzing trace with hash -105808324, now seen corresponding path program 1 times [2020-11-29 18:34:33,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:34:33,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928173806] [2020-11-29 18:34:33,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:34:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:34:33,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928173806] [2020-11-29 18:34:33,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:34:33,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 18:34:33,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270616054] [2020-11-29 18:34:33,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:34:33,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:34:33,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:34:33,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:34:33,432 INFO L87 Difference]: Start difference. First operand 838 states and 1088 transitions. Second operand 7 states. [2020-11-29 18:34:34,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:34,217 INFO L93 Difference]: Finished difference Result 1590 states and 2085 transitions. [2020-11-29 18:34:34,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 18:34:34,218 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2020-11-29 18:34:34,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:34,224 INFO L225 Difference]: With dead ends: 1590 [2020-11-29 18:34:34,224 INFO L226 Difference]: Without dead ends: 838 [2020-11-29 18:34:34,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:34:34,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-29 18:34:34,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-11-29 18:34:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-29 18:34:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1082 transitions. [2020-11-29 18:34:34,262 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1082 transitions. Word has length 177 [2020-11-29 18:34:34,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:34,263 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1082 transitions. [2020-11-29 18:34:34,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:34:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1082 transitions. [2020-11-29 18:34:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-29 18:34:34,266 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:34,266 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:34:34,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 18:34:34,267 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:34:34,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:34,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1667583108, now seen corresponding path program 1 times [2020-11-29 18:34:34,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:34:34,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255381844] [2020-11-29 18:34:34,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:34:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:34,430 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:34:34,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255381844] [2020-11-29 18:34:34,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:34:34,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:34:34,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690221897] [2020-11-29 18:34:34,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:34:34,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:34:34,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:34:34,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:34:34,434 INFO L87 Difference]: Start difference. First operand 838 states and 1082 transitions. Second operand 3 states. [2020-11-29 18:34:35,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:35,180 INFO L93 Difference]: Finished difference Result 1952 states and 2639 transitions. [2020-11-29 18:34:35,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:34:35,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2020-11-29 18:34:35,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:35,189 INFO L225 Difference]: With dead ends: 1952 [2020-11-29 18:34:35,189 INFO L226 Difference]: Without dead ends: 1255 [2020-11-29 18:34:35,191 INFO L677 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 [2020-11-29 18:34:35,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-11-29 18:34:35,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 838. [2020-11-29 18:34:35,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-29 18:34:35,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1073 transitions. [2020-11-29 18:34:35,219 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1073 transitions. Word has length 184 [2020-11-29 18:34:35,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:35,219 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1073 transitions. [2020-11-29 18:34:35,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:34:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1073 transitions. [2020-11-29 18:34:35,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-29 18:34:35,223 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:35,224 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:34:35,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 18:34:35,224 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:34:35,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:35,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1344487966, now seen corresponding path program 1 times [2020-11-29 18:34:35,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:34:35,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699516261] [2020-11-29 18:34:35,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:34:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:34:35,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699516261] [2020-11-29 18:34:35,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:34:35,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:34:35,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500631457] [2020-11-29 18:34:35,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:34:35,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:34:35,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:34:35,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:34:35,389 INFO L87 Difference]: Start difference. First operand 838 states and 1073 transitions. Second operand 3 states. [2020-11-29 18:34:36,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:36,164 INFO L93 Difference]: Finished difference Result 1952 states and 2621 transitions. [2020-11-29 18:34:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:34:36,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2020-11-29 18:34:36,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:36,172 INFO L225 Difference]: With dead ends: 1952 [2020-11-29 18:34:36,172 INFO L226 Difference]: Without dead ends: 1255 [2020-11-29 18:34:36,176 INFO L677 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 [2020-11-29 18:34:36,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-11-29 18:34:36,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-11-29 18:34:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-29 18:34:36,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1581 transitions. [2020-11-29 18:34:36,205 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1581 transitions. Word has length 213 [2020-11-29 18:34:36,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:36,206 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1581 transitions. [2020-11-29 18:34:36,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:34:36,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1581 transitions. [2020-11-29 18:34:36,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-11-29 18:34:36,235 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:36,236 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:34:36,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 18:34:36,236 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:34:36,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:36,237 INFO L82 PathProgramCache]: Analyzing trace with hash -472553944, now seen corresponding path program 1 times [2020-11-29 18:34:36,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:34:36,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850761438] [2020-11-29 18:34:36,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:34:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:36,489 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-11-29 18:34:36,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850761438] [2020-11-29 18:34:36,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:34:36,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:34:36,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548425433] [2020-11-29 18:34:36,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:34:36,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:34:36,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:34:36,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:34:36,492 INFO L87 Difference]: Start difference. First operand 1255 states and 1581 transitions. Second operand 3 states. [2020-11-29 18:34:37,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:37,271 INFO L93 Difference]: Finished difference Result 2786 states and 3508 transitions. [2020-11-29 18:34:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:34:37,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 272 [2020-11-29 18:34:37,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:37,282 INFO L225 Difference]: With dead ends: 2786 [2020-11-29 18:34:37,282 INFO L226 Difference]: Without dead ends: 1672 [2020-11-29 18:34:37,285 INFO L677 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 [2020-11-29 18:34:37,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-11-29 18:34:37,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2020-11-29 18:34:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-11-29 18:34:37,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1947 transitions. [2020-11-29 18:34:37,331 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1947 transitions. Word has length 272 [2020-11-29 18:34:37,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:37,331 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 1947 transitions. [2020-11-29 18:34:37,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:34:37,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1947 transitions. [2020-11-29 18:34:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-11-29 18:34:37,338 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:37,339 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 18:34:37,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 18:34:37,339 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:34:37,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:37,340 INFO L82 PathProgramCache]: Analyzing trace with hash -592633075, now seen corresponding path program 1 times [2020-11-29 18:34:37,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:34:37,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447762052] [2020-11-29 18:34:37,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:34:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 41 proven. 24 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-11-29 18:34:37,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447762052] [2020-11-29 18:34:37,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602382573] [2020-11-29 18:34:37,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:34:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:38,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:34:38,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:34:38,162 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-11-29 18:34:38,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:34:38,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 18:34:38,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031583810] [2020-11-29 18:34:38,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:34:38,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:34:38,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:34:38,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:34:38,166 INFO L87 Difference]: Start difference. First operand 1672 states and 1947 transitions. Second operand 3 states. [2020-11-29 18:34:38,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:38,970 INFO L93 Difference]: Finished difference Result 1952 states and 2274 transitions. [2020-11-29 18:34:38,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:34:38,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2020-11-29 18:34:38,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:38,984 INFO L225 Difference]: With dead ends: 1952 [2020-11-29 18:34:38,985 INFO L226 Difference]: Without dead ends: 1950 [2020-11-29 18:34:38,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:34:38,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2020-11-29 18:34:39,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1533. [2020-11-29 18:34:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2020-11-29 18:34:39,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1792 transitions. [2020-11-29 18:34:39,032 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1792 transitions. Word has length 305 [2020-11-29 18:34:39,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:39,033 INFO L481 AbstractCegarLoop]: Abstraction has 1533 states and 1792 transitions. [2020-11-29 18:34:39,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:34:39,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1792 transitions. [2020-11-29 18:34:39,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-11-29 18:34:39,040 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:39,041 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 18:34:39,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:34:39,258 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:34:39,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:39,259 INFO L82 PathProgramCache]: Analyzing trace with hash 527476523, now seen corresponding path program 1 times [2020-11-29 18:34:39,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:34:39,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891598951] [2020-11-29 18:34:39,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:34:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:39,458 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-29 18:34:39,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891598951] [2020-11-29 18:34:39,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:34:39,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:34:39,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801022645] [2020-11-29 18:34:39,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:34:39,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:34:39,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:34:39,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:34:39,461 INFO L87 Difference]: Start difference. First operand 1533 states and 1792 transitions. Second operand 3 states. [2020-11-29 18:34:40,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:40,108 INFO L93 Difference]: Finished difference Result 3201 states and 3804 transitions. [2020-11-29 18:34:40,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:34:40,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 323 [2020-11-29 18:34:40,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:40,110 INFO L225 Difference]: With dead ends: 3201 [2020-11-29 18:34:40,110 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:34:40,113 INFO L677 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 [2020-11-29 18:34:40,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:34:40,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:34:40,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:34:40,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:34:40,114 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 323 [2020-11-29 18:34:40,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:40,115 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:34:40,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:34:40,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:34:40,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:34:40,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 18:34:40,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:34:40,408 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2020-11-29 18:34:40,579 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2020-11-29 18:34:40,583 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-29 18:34:40,583 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-29 18:34:40,583 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-29 18:34:40,583 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-29 18:34:40,583 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-29 18:34:40,583 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-29 18:34:40,584 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,584 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,584 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,584 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,584 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,584 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,584 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-29 18:34:40,584 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 18:34:40,584 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 18:34:40,584 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 18:34:40,584 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 18:34:40,584 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 18:34:40,584 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 18:34:40,585 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-29 18:34:40,585 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-29 18:34:40,585 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-29 18:34:40,585 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-29 18:34:40,585 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-29 18:34:40,585 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-29 18:34:40,585 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,585 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,585 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,585 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,585 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,585 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,585 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-29 18:34:40,586 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-29 18:34:40,586 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-29 18:34:40,586 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 18:34:40,586 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 18:34:40,586 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 18:34:40,586 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 18:34:40,591 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 18:34:40,591 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 18:34:40,591 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-29 18:34:40,591 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-29 18:34:40,591 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-29 18:34:40,591 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,591 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,591 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,591 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,592 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,592 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,592 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-29 18:34:40,592 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-29 18:34:40,592 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-29 18:34:40,592 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 18:34:40,592 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 18:34:40,592 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 18:34:40,592 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 18:34:40,592 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 18:34:40,592 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 18:34:40,593 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-29 18:34:40,593 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-29 18:34:40,593 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-29 18:34:40,593 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 18:34:40,593 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-29 18:34:40,593 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,593 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,593 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,593 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,593 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,593 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,593 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-29 18:34:40,594 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-29 18:34:40,594 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 18:34:40,594 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 18:34:40,594 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 18:34:40,594 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 18:34:40,594 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 18:34:40,594 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 18:34:40,594 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-29 18:34:40,594 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-29 18:34:40,594 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-29 18:34:40,594 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,595 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,595 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,595 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,595 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,595 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-29 18:34:40,595 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-29 18:34:40,595 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-29 18:34:40,595 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-29 18:34:40,595 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 18:34:40,595 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 18:34:40,595 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 18:34:40,595 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 18:34:40,595 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 18:34:40,596 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-29 18:34:40,596 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-29 18:34:40,596 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-29 18:34:40,596 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-29 18:34:40,596 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-29 18:34:40,596 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,596 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,596 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,596 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,596 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,596 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-29 18:34:40,596 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:34:40,597 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 18:34:40,597 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 18:34:40,597 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 18:34:40,597 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 18:34:40,597 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 18:34:40,597 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse1 (<= 7 ~a19~0)) (.cse3 (<= ~a19~0 9)) (.cse4 (<= 8 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2 .cse3) (and (= ~a10~0 3) .cse0 .cse2 .cse3) (and .cse0 .cse2 .cse3 (<= ~a1~0 23)) (and (= ~a10~0 1) .cse0 .cse1 .cse2) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse0 (= ~a10~0 0) .cse2))) [2020-11-29 18:34:40,597 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-29 18:34:40,598 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-29 18:34:40,598 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-29 18:34:40,598 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-29 18:34:40,598 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,598 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,598 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,598 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,598 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,598 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-29 18:34:40,598 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-29 18:34:40,598 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-29 18:34:40,598 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 18:34:40,599 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 18:34:40,599 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 18:34:40,599 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 18:34:40,599 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 18:34:40,599 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-29 18:34:40,599 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-29 18:34:40,599 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-29 18:34:40,599 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-29 18:34:40,599 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-29 18:34:40,599 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-29 18:34:40,600 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:34:40,600 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,600 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,600 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,600 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,600 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,600 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 18:34:40,600 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 18:34:40,600 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 18:34:40,600 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 18:34:40,600 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 18:34:40,600 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-29 18:34:40,601 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-29 18:34:40,601 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-29 18:34:40,601 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-29 18:34:40,601 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,601 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,601 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,601 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,601 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:34:40,601 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,602 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-29 18:34:40,602 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-29 18:34:40,602 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-29 18:34:40,602 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-29 18:34:40,602 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 18:34:40,602 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 18:34:40,602 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 18:34:40,602 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 18:34:40,602 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 18:34:40,602 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-29 18:34:40,603 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-29 18:34:40,603 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-29 18:34:40,603 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse1 (<= 7 ~a19~0)) (.cse3 (<= ~a19~0 9)) (.cse4 (<= 8 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2 .cse3) (and (= ~a10~0 3) .cse0 .cse2 .cse3) (and .cse0 .cse2 .cse3 (<= ~a1~0 23)) (and (= ~a10~0 1) .cse0 .cse1 .cse2) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse0 (= ~a10~0 0) .cse2))) [2020-11-29 18:34:40,603 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-29 18:34:40,603 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,603 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,603 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,604 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,604 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-29 18:34:40,604 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,604 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,604 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-29 18:34:40,604 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-29 18:34:40,604 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-29 18:34:40,604 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 18:34:40,604 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 18:34:40,604 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 18:34:40,605 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 18:34:40,605 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 18:34:40,605 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-29 18:34:40,605 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:34:40,605 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:34:40,605 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-29 18:34:40,605 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-29 18:34:40,605 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-29 18:34:40,605 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-29 18:34:40,606 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,606 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,606 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,606 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,614 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,614 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-29 18:34:40,614 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-29 18:34:40,614 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-29 18:34:40,614 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-29 18:34:40,614 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 18:34:40,614 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 18:34:40,614 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 18:34:40,615 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 18:34:40,615 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 18:34:40,615 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 18:34:40,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:34:40 BoogieIcfgContainer [2020-11-29 18:34:40,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:34:40,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:34:40,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:34:40,637 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:34:40,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:34:27" (3/4) ... [2020-11-29 18:34:40,641 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:34:40,661 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 18:34:40,662 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:34:40,663 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:34:40,664 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:34:40,801 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fbb9a13a-84a5-4dac-a4dc-7c59b641fb72/bin/uautomizer/witness.graphml [2020-11-29 18:34:40,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:34:40,802 INFO L168 Benchmark]: Toolchain (without parser) took 16250.11 ms. Allocated memory was 113.2 MB in the beginning and 394.3 MB in the end (delta: 281.0 MB). Free memory was 77.4 MB in the beginning and 306.1 MB in the end (delta: -228.7 MB). Peak memory consumption was 51.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:40,803 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory was 86.0 MB in the beginning and 85.9 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:34:40,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.75 ms. Allocated memory is still 113.2 MB. Free memory was 77.1 MB in the beginning and 73.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:40,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.70 ms. Allocated memory is still 113.2 MB. Free memory was 73.4 MB in the beginning and 65.7 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:40,804 INFO L168 Benchmark]: Boogie Preprocessor took 134.13 ms. Allocated memory is still 113.2 MB. Free memory was 65.7 MB in the beginning and 60.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:40,804 INFO L168 Benchmark]: RCFGBuilder took 1693.10 ms. Allocated memory was 113.2 MB in the beginning and 167.8 MB in the end (delta: 54.5 MB). Free memory was 60.4 MB in the beginning and 96.7 MB in the end (delta: -36.3 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:40,805 INFO L168 Benchmark]: TraceAbstraction took 13426.89 ms. Allocated memory was 167.8 MB in the beginning and 394.3 MB in the end (delta: 226.5 MB). Free memory was 95.6 MB in the beginning and 321.8 MB in the end (delta: -226.2 MB). Peak memory consumption was 142.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:40,805 INFO L168 Benchmark]: Witness Printer took 164.28 ms. Allocated memory is still 394.3 MB. Free memory was 320.8 MB in the beginning and 306.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:34:40,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory was 86.0 MB in the beginning and 85.9 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 703.75 ms. Allocated memory is still 113.2 MB. Free memory was 77.1 MB in the beginning and 73.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.70 ms. Allocated memory is still 113.2 MB. Free memory was 73.4 MB in the beginning and 65.7 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 134.13 ms. Allocated memory is still 113.2 MB. Free memory was 65.7 MB in the beginning and 60.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1693.10 ms. Allocated memory was 113.2 MB in the beginning and 167.8 MB in the end (delta: 54.5 MB). Free memory was 60.4 MB in the beginning and 96.7 MB in the end (delta: -36.3 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13426.89 ms. Allocated memory was 167.8 MB in the beginning and 394.3 MB in the end (delta: 226.5 MB). Free memory was 95.6 MB in the beginning and 321.8 MB in the end (delta: -226.2 MB). Peak memory consumption was 142.8 MB. Max. memory is 16.1 GB. * Witness Printer took 164.28 ms. Allocated memory is still 394.3 MB. Free memory was 320.8 MB in the beginning and 306.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && a10 == 2) && 7 <= a19) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a12 == 0) && a19 <= 9) && a1 <= 23)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((8 <= a19 && 14 == a4) && a10 == 0) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && a10 == 2) && 7 <= a19) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a12 == 0) && a19 <= 9) && a1 <= 23)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((8 <= a19 && 14 == a4) && a10 == 0) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 859 SDtfs, 1151 SDslu, 53 SDs, 0 SdLazy, 3919 SolverSat, 686 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 435 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1672occurred in iteration=8, 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, 10 MinimizatonAttempts, 1126 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 165 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1063 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 352 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2237 NumberOfCodeBlocks, 2237 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2225 ConstructedInterpolants, 0 QuantifiedInterpolants, 1845192 SizeOfPredicates, 2 NumberOfNonLiveVariables, 642 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 1504/1531 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...