./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label53.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_55c7b812-f177-4a42-9489-15d2b97c17e8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label53.c -s /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/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 2ac1cca436dbb0ff666a046c15c87b345ed083b6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:21:22,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:21:22,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:21:22,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:21:22,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:21:22,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:21:22,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:21:22,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:21:22,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:21:22,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:21:22,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:21:22,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:21:22,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:21:22,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:21:22,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:21:22,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:21:22,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:21:22,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:21:22,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:21:22,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:21:22,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:21:22,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:21:22,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:21:22,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:21:22,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:21:22,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:21:22,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:21:22,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:21:22,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:21:22,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:21:22,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:21:22,212 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:21:22,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:21:22,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:21:22,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:21:22,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:21:22,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:21:22,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:21:22,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:21:22,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:21:22,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:21:22,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:21:22,259 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:21:22,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:21:22,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:21:22,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:21:22,262 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:21:22,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:21:22,263 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:21:22,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:21:22,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:21:22,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:21:22,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:21:22,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:21:22,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:21:22,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:21:22,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:21:22,266 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:21:22,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:21:22,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:21:22,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:21:22,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:21:22,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:21:22,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:21:22,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:21:22,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:21:22,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:21:22,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:21:22,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:21:22,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:21:22,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:21:22,269 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_55c7b812-f177-4a42-9489-15d2b97c17e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ac1cca436dbb0ff666a046c15c87b345ed083b6 [2020-11-30 01:21:22,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:21:22,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:21:22,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:21:22,599 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:21:22,600 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:21:22,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label53.c [2020-11-30 01:21:22,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/bin/uautomizer/data/b69889130/c3d63c26399b4f50adc35abde94003a7/FLAGc9a360b3b [2020-11-30 01:21:23,356 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:21:23,357 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/sv-benchmarks/c/eca-rers2012/Problem01_label53.c [2020-11-30 01:21:23,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/bin/uautomizer/data/b69889130/c3d63c26399b4f50adc35abde94003a7/FLAGc9a360b3b [2020-11-30 01:21:23,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/bin/uautomizer/data/b69889130/c3d63c26399b4f50adc35abde94003a7 [2020-11-30 01:21:23,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:21:23,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:21:23,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:21:23,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:21:23,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:21:23,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:21:23" (1/1) ... [2020-11-30 01:21:23,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2fbca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:23, skipping insertion in model container [2020-11-30 01:21:23,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:21:23" (1/1) ... [2020-11-30 01:21:23,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:21:23,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:21:24,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:21:24,138 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:21:24,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:21:24,250 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:21:24,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:24 WrapperNode [2020-11-30 01:21:24,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:21:24,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:21:24,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:21:24,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:21:24,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:24" (1/1) ... [2020-11-30 01:21:24,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:24" (1/1) ... [2020-11-30 01:21:24,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:21:24,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:21:24,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:21:24,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:21:24,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:24" (1/1) ... [2020-11-30 01:21:24,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:24" (1/1) ... [2020-11-30 01:21:24,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:24" (1/1) ... [2020-11-30 01:21:24,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:24" (1/1) ... [2020-11-30 01:21:24,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:24" (1/1) ... [2020-11-30 01:21:24,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:24" (1/1) ... [2020-11-30 01:21:24,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:24" (1/1) ... [2020-11-30 01:21:24,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:21:24,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:21:24,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:21:24,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:21:24,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/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 [2020-11-30 01:21:24,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:21:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:21:24,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:21:24,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:21:26,072 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:21:26,072 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:21:26,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:21:26 BoogieIcfgContainer [2020-11-30 01:21:26,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:21:26,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:21:26,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:21:26,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:21:26,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:21:23" (1/3) ... [2020-11-30 01:21:26,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ed1141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:21:26, skipping insertion in model container [2020-11-30 01:21:26,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:24" (2/3) ... [2020-11-30 01:21:26,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ed1141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:21:26, skipping insertion in model container [2020-11-30 01:21:26,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:21:26" (3/3) ... [2020-11-30 01:21:26,086 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label53.c [2020-11-30 01:21:26,097 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:21:26,102 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:21:26,114 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:21:26,157 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:21:26,158 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:21:26,158 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:21:26,158 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:21:26,158 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:21:26,158 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:21:26,158 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:21:26,159 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:21:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-30 01:21:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-30 01:21:26,194 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:26,195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:26,196 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:26,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:26,201 INFO L82 PathProgramCache]: Analyzing trace with hash -744791785, now seen corresponding path program 1 times [2020-11-30 01:21:26,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:26,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710542267] [2020-11-30 01:21:26,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:26,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710542267] [2020-11-30 01:21:26,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:26,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:21:26,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268774772] [2020-11-30 01:21:26,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:26,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:26,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:26,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:26,749 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-30 01:21:27,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:27,955 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-30 01:21:27,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:27,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-11-30 01:21:27,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:27,971 INFO L225 Difference]: With dead ends: 529 [2020-11-30 01:21:27,972 INFO L226 Difference]: Without dead ends: 266 [2020-11-30 01:21:27,976 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 [2020-11-30 01:21:27,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-30 01:21:28,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-30 01:21:28,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-30 01:21:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2020-11-30 01:21:28,037 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 114 [2020-11-30 01:21:28,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:28,039 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2020-11-30 01:21:28,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:28,039 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2020-11-30 01:21:28,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-30 01:21:28,043 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:28,043 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:28,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:21:28,044 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:28,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:28,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1844381716, now seen corresponding path program 1 times [2020-11-30 01:21:28,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:28,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390236166] [2020-11-30 01:21:28,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:28,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390236166] [2020-11-30 01:21:28,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:28,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:21:28,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840710129] [2020-11-30 01:21:28,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:28,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:28,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:28,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:28,177 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states. [2020-11-30 01:21:28,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:28,842 INFO L93 Difference]: Finished difference Result 792 states and 1153 transitions. [2020-11-30 01:21:28,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:28,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-11-30 01:21:28,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:28,847 INFO L225 Difference]: With dead ends: 792 [2020-11-30 01:21:28,847 INFO L226 Difference]: Without dead ends: 528 [2020-11-30 01:21:28,850 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 [2020-11-30 01:21:28,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-30 01:21:28,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-11-30 01:21:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-11-30 01:21:28,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 726 transitions. [2020-11-30 01:21:28,905 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 726 transitions. Word has length 120 [2020-11-30 01:21:28,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:28,907 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 726 transitions. [2020-11-30 01:21:28,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:28,908 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 726 transitions. [2020-11-30 01:21:28,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-30 01:21:28,919 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:28,919 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 01:21:28,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:21:28,920 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:28,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:28,922 INFO L82 PathProgramCache]: Analyzing trace with hash -568030007, now seen corresponding path program 1 times [2020-11-30 01:21:28,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:28,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099770540] [2020-11-30 01:21:28,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:29,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:29,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099770540] [2020-11-30 01:21:29,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:29,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:21:29,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831010160] [2020-11-30 01:21:29,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:29,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:29,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:29,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:29,060 INFO L87 Difference]: Start difference. First operand 528 states and 726 transitions. Second operand 3 states. [2020-11-30 01:21:29,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:29,663 INFO L93 Difference]: Finished difference Result 1578 states and 2173 transitions. [2020-11-30 01:21:29,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:29,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-11-30 01:21:29,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:29,670 INFO L225 Difference]: With dead ends: 1578 [2020-11-30 01:21:29,670 INFO L226 Difference]: Without dead ends: 1052 [2020-11-30 01:21:29,672 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 [2020-11-30 01:21:29,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-11-30 01:21:29,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-11-30 01:21:29,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-30 01:21:29,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1376 transitions. [2020-11-30 01:21:29,710 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1376 transitions. Word has length 135 [2020-11-30 01:21:29,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:29,710 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1376 transitions. [2020-11-30 01:21:29,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:29,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1376 transitions. [2020-11-30 01:21:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-30 01:21:29,714 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:29,714 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:29,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:21:29,715 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:29,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:29,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1079514171, now seen corresponding path program 1 times [2020-11-30 01:21:29,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:29,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684533281] [2020-11-30 01:21:29,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:29,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684533281] [2020-11-30 01:21:29,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:29,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:21:29,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910614768] [2020-11-30 01:21:29,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:21:29,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:29,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:21:29,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:21:29,891 INFO L87 Difference]: Start difference. First operand 1052 states and 1376 transitions. Second operand 4 states. [2020-11-30 01:21:30,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:30,861 INFO L93 Difference]: Finished difference Result 2102 states and 2750 transitions. [2020-11-30 01:21:30,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:21:30,862 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-11-30 01:21:30,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:30,868 INFO L225 Difference]: With dead ends: 2102 [2020-11-30 01:21:30,869 INFO L226 Difference]: Without dead ends: 1052 [2020-11-30 01:21:30,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:21:30,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-11-30 01:21:30,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-11-30 01:21:30,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-30 01:21:30,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1340 transitions. [2020-11-30 01:21:30,910 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1340 transitions. Word has length 148 [2020-11-30 01:21:30,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:30,911 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1340 transitions. [2020-11-30 01:21:30,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:21:30,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1340 transitions. [2020-11-30 01:21:30,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-11-30 01:21:30,922 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:30,923 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:30,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:21:30,923 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:30,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:30,924 INFO L82 PathProgramCache]: Analyzing trace with hash 675731983, now seen corresponding path program 1 times [2020-11-30 01:21:30,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:30,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345359032] [2020-11-30 01:21:30,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:31,018 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:21:31,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345359032] [2020-11-30 01:21:31,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:31,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:21:31,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346100158] [2020-11-30 01:21:31,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:31,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:31,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:31,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:31,021 INFO L87 Difference]: Start difference. First operand 1052 states and 1340 transitions. Second operand 3 states. [2020-11-30 01:21:31,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:31,586 INFO L93 Difference]: Finished difference Result 2364 states and 2994 transitions. [2020-11-30 01:21:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:31,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-11-30 01:21:31,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:31,594 INFO L225 Difference]: With dead ends: 2364 [2020-11-30 01:21:31,594 INFO L226 Difference]: Without dead ends: 1314 [2020-11-30 01:21:31,596 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 [2020-11-30 01:21:31,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-11-30 01:21:31,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1052. [2020-11-30 01:21:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-30 01:21:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1328 transitions. [2020-11-30 01:21:31,625 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1328 transitions. Word has length 152 [2020-11-30 01:21:31,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:31,627 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1328 transitions. [2020-11-30 01:21:31,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:31,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1328 transitions. [2020-11-30 01:21:31,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-11-30 01:21:31,630 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:31,631 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:31,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:21:31,632 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:31,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:31,632 INFO L82 PathProgramCache]: Analyzing trace with hash -594044215, now seen corresponding path program 1 times [2020-11-30 01:21:31,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:31,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160184414] [2020-11-30 01:21:31,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:31,716 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 01:21:31,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160184414] [2020-11-30 01:21:31,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:31,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:21:31,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777549559] [2020-11-30 01:21:31,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:21:31,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:31,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:21:31,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:21:31,721 INFO L87 Difference]: Start difference. First operand 1052 states and 1328 transitions. Second operand 4 states. [2020-11-30 01:21:32,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:32,630 INFO L93 Difference]: Finished difference Result 3150 states and 3931 transitions. [2020-11-30 01:21:32,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:21:32,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 156 [2020-11-30 01:21:32,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:32,640 INFO L225 Difference]: With dead ends: 3150 [2020-11-30 01:21:32,641 INFO L226 Difference]: Without dead ends: 1838 [2020-11-30 01:21:32,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:21:32,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-11-30 01:21:32,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1445. [2020-11-30 01:21:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2020-11-30 01:21:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1682 transitions. [2020-11-30 01:21:32,683 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1682 transitions. Word has length 156 [2020-11-30 01:21:32,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:32,683 INFO L481 AbstractCegarLoop]: Abstraction has 1445 states and 1682 transitions. [2020-11-30 01:21:32,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:21:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1682 transitions. [2020-11-30 01:21:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-11-30 01:21:32,688 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:32,688 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:32,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:21:32,689 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:32,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:32,689 INFO L82 PathProgramCache]: Analyzing trace with hash 738089573, now seen corresponding path program 1 times [2020-11-30 01:21:32,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:32,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831012257] [2020-11-30 01:21:32,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 01:21:32,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831012257] [2020-11-30 01:21:32,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:32,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:21:32,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847083519] [2020-11-30 01:21:32,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:32,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:32,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:32,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:32,749 INFO L87 Difference]: Start difference. First operand 1445 states and 1682 transitions. Second operand 3 states. [2020-11-30 01:21:33,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:33,288 INFO L93 Difference]: Finished difference Result 3412 states and 3956 transitions. [2020-11-30 01:21:33,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:33,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-11-30 01:21:33,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:33,299 INFO L225 Difference]: With dead ends: 3412 [2020-11-30 01:21:33,299 INFO L226 Difference]: Without dead ends: 1969 [2020-11-30 01:21:33,302 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 [2020-11-30 01:21:33,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-11-30 01:21:33,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2020-11-30 01:21:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2020-11-30 01:21:33,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1972 transitions. [2020-11-30 01:21:33,350 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1972 transitions. Word has length 165 [2020-11-30 01:21:33,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:33,350 INFO L481 AbstractCegarLoop]: Abstraction has 1707 states and 1972 transitions. [2020-11-30 01:21:33,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:33,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1972 transitions. [2020-11-30 01:21:33,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-11-30 01:21:33,356 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:33,356 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-11-30 01:21:33,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:21:33,356 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:33,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:33,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1209036589, now seen corresponding path program 1 times [2020-11-30 01:21:33,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:33,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153583941] [2020-11-30 01:21:33,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 01:21:33,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153583941] [2020-11-30 01:21:33,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:33,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:21:33,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501864323] [2020-11-30 01:21:33,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:33,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:33,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:33,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:33,501 INFO L87 Difference]: Start difference. First operand 1707 states and 1972 transitions. Second operand 3 states. [2020-11-30 01:21:33,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:33,979 INFO L93 Difference]: Finished difference Result 3674 states and 4240 transitions. [2020-11-30 01:21:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:33,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-11-30 01:21:33,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:33,991 INFO L225 Difference]: With dead ends: 3674 [2020-11-30 01:21:33,991 INFO L226 Difference]: Without dead ends: 1969 [2020-11-30 01:21:33,994 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 [2020-11-30 01:21:33,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-11-30 01:21:34,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1969. [2020-11-30 01:21:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-11-30 01:21:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2256 transitions. [2020-11-30 01:21:34,047 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2256 transitions. Word has length 181 [2020-11-30 01:21:34,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:34,047 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2256 transitions. [2020-11-30 01:21:34,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2256 transitions. [2020-11-30 01:21:34,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-30 01:21:34,053 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:34,054 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:34,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:21:34,054 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:34,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:34,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1824598805, now seen corresponding path program 1 times [2020-11-30 01:21:34,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:34,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467976660] [2020-11-30 01:21:34,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-11-30 01:21:34,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467976660] [2020-11-30 01:21:34,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435452050] [2020-11-30 01:21:34,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/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 [2020-11-30 01:21:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:34,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:21:34,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-30 01:21:34,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:21:34,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 01:21:34,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967511996] [2020-11-30 01:21:34,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:34,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:34,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:34,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:34,660 INFO L87 Difference]: Start difference. First operand 1969 states and 2256 transitions. Second operand 3 states. [2020-11-30 01:21:35,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:35,295 INFO L93 Difference]: Finished difference Result 3936 states and 4510 transitions. [2020-11-30 01:21:35,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:35,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-11-30 01:21:35,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:35,308 INFO L225 Difference]: With dead ends: 3936 [2020-11-30 01:21:35,308 INFO L226 Difference]: Without dead ends: 1969 [2020-11-30 01:21:35,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:35,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-11-30 01:21:35,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2020-11-30 01:21:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2020-11-30 01:21:35,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2050 transitions. [2020-11-30 01:21:35,360 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2050 transitions. Word has length 197 [2020-11-30 01:21:35,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:35,361 INFO L481 AbstractCegarLoop]: Abstraction has 1838 states and 2050 transitions. [2020-11-30 01:21:35,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:35,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2050 transitions. [2020-11-30 01:21:35,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-11-30 01:21:35,367 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:35,367 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:35,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-11-30 01:21:35,595 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:35,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:35,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1603848634, now seen corresponding path program 1 times [2020-11-30 01:21:35,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:35,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519799767] [2020-11-30 01:21:35,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-30 01:21:35,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519799767] [2020-11-30 01:21:35,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120953040] [2020-11-30 01:21:35,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/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 [2020-11-30 01:21:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:35,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:21:35,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:35,961 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-11-30 01:21:35,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:21:35,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 01:21:35,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182549211] [2020-11-30 01:21:35,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:35,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:35,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:35,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:35,963 INFO L87 Difference]: Start difference. First operand 1838 states and 2050 transitions. Second operand 3 states. [2020-11-30 01:21:36,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:36,819 INFO L93 Difference]: Finished difference Result 4065 states and 4524 transitions. [2020-11-30 01:21:36,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:36,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-11-30 01:21:36,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:36,821 INFO L225 Difference]: With dead ends: 4065 [2020-11-30 01:21:36,821 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:21:36,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:36,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:21:36,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:21:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:21:36,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:21:36,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 203 [2020-11-30 01:21:36,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:36,826 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:21:36,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:36,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:21:36,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:21:37,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-30 01:21:37,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:21:37,308 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-11-30 01:21:37,445 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-11-30 01:21:37,448 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-30 01:21:37,448 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-30 01:21:37,448 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-30 01:21:37,448 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-30 01:21:37,449 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-30 01:21:37,449 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-30 01:21:37,449 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-30 01:21:37,449 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-30 01:21:37,449 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,449 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,449 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,449 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,449 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-30 01:21:37,449 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,450 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,450 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-30 01:21:37,450 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-30 01:21:37,450 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-30 01:21:37,450 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-30 01:21:37,450 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-30 01:21:37,450 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-30 01:21:37,450 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-30 01:21:37,450 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-30 01:21:37,450 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-30 01:21:37,451 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-30 01:21:37,451 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-30 01:21:37,451 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-30 01:21:37,451 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,451 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,451 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,451 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,451 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,451 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-30 01:21:37,452 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,452 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-30 01:21:37,452 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-30 01:21:37,452 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-30 01:21:37,452 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-30 01:21:37,452 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-30 01:21:37,452 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-30 01:21:37,453 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-30 01:21:37,453 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-30 01:21:37,453 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-30 01:21:37,453 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-30 01:21:37,453 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-30 01:21:37,453 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-30 01:21:37,453 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-30 01:21:37,454 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-30 01:21:37,454 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,454 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,454 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,454 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,454 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,454 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,455 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-30 01:21:37,455 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-30 01:21:37,455 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-30 01:21:37,455 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-30 01:21:37,455 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-30 01:21:37,455 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-30 01:21:37,456 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-30 01:21:37,456 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-30 01:21:37,456 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-30 01:21:37,456 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-30 01:21:37,456 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 01:21:37,456 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-30 01:21:37,456 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-30 01:21:37,457 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,457 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,457 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,457 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,457 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,457 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,457 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-30 01:21:37,458 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-30 01:21:37,458 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-30 01:21:37,458 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-30 01:21:37,458 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-30 01:21:37,458 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-30 01:21:37,458 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-30 01:21:37,458 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-30 01:21:37,459 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-30 01:21:37,459 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-30 01:21:37,459 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,459 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,459 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,459 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,460 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,460 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,460 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-30 01:21:37,460 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-30 01:21:37,460 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-30 01:21:37,460 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-30 01:21:37,461 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-30 01:21:37,461 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-30 01:21:37,461 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-30 01:21:37,461 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-30 01:21:37,461 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-30 01:21:37,461 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-30 01:21:37,461 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-30 01:21:37,462 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-30 01:21:37,462 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-30 01:21:37,462 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-30 01:21:37,467 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-30 01:21:37,468 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,468 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,469 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,469 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,469 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,469 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:21:37,469 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-30 01:21:37,469 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-30 01:21:37,469 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-30 01:21:37,469 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-30 01:21:37,469 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-30 01:21:37,469 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-30 01:21:37,469 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-30 01:21:37,469 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-30 01:21:37,469 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-30 01:21:37,470 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse5 (<= ~a16~0 5)) (.cse3 (<= ~a17~0 0)) (.cse4 (= ~a21~0 1)) (.cse0 (= ~a20~0 1)) (.cse6 (<= 15 ~a8~0)) (.cse1 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse3 .cse0) (and .cse5 .cse1 .cse2) (and .cse5 .cse3) (and .cse3 .cse6) (and .cse4 .cse0 .cse1) (and (not (= ~a7~0 1)) .cse6 .cse1))) [2020-11-30 01:21:37,470 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,470 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,470 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,470 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,470 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,470 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-30 01:21:37,470 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-30 01:21:37,470 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-30 01:21:37,470 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-30 01:21:37,471 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-30 01:21:37,471 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-30 01:21:37,471 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-30 01:21:37,472 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-30 01:21:37,472 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-30 01:21:37,472 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-30 01:21:37,472 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-30 01:21:37,472 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-30 01:21:37,473 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:21:37,473 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-30 01:21:37,473 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-30 01:21:37,473 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,473 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,473 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,473 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,473 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,473 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-30 01:21:37,473 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-30 01:21:37,474 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-30 01:21:37,474 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-30 01:21:37,474 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-30 01:21:37,474 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-30 01:21:37,474 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-30 01:21:37,474 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-30 01:21:37,474 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-30 01:21:37,475 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:21:37,475 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,475 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,475 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,475 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,475 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-30 01:21:37,475 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,476 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-30 01:21:37,476 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-30 01:21:37,476 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-30 01:21:37,476 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-30 01:21:37,476 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-30 01:21:37,476 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-30 01:21:37,476 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-30 01:21:37,477 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-30 01:21:37,477 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-30 01:21:37,478 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-30 01:21:37,478 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-30 01:21:37,478 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-30 01:21:37,478 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-30 01:21:37,478 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,479 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 13)) (.cse5 (<= ~a16~0 5)) (.cse3 (<= ~a17~0 0)) (.cse4 (= ~a21~0 1)) (.cse0 (= ~a20~0 1)) (.cse6 (<= 15 ~a8~0)) (.cse1 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse3 .cse0) (and .cse5 .cse1 .cse2) (and .cse5 .cse3) (and .cse3 .cse6) (and .cse4 .cse0 .cse1) (and (not (= ~a7~0 1)) .cse6 .cse1))) [2020-11-30 01:21:37,479 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,479 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,479 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,479 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,479 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-30 01:21:37,479 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:21:37,480 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:21:37,480 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-30 01:21:37,480 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-30 01:21:37,480 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-30 01:21:37,480 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-30 01:21:37,480 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-30 01:21:37,481 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-30 01:21:37,481 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-30 01:21:37,481 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,481 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,481 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,481 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,481 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:37,481 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-30 01:21:37,482 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-30 01:21:37,482 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-30 01:21:37,482 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-30 01:21:37,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:21:37 BoogieIcfgContainer [2020-11-30 01:21:37,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:21:37,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:21:37,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:21:37,503 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:21:37,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:21:26" (3/4) ... [2020-11-30 01:21:37,507 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:21:37,530 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:21:37,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:21:37,537 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:21:37,540 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:21:37,723 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_55c7b812-f177-4a42-9489-15d2b97c17e8/bin/uautomizer/witness.graphml [2020-11-30 01:21:37,723 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:21:37,725 INFO L168 Benchmark]: Toolchain (without parser) took 14142.76 ms. Allocated memory was 104.9 MB in the beginning and 381.7 MB in the end (delta: 276.8 MB). Free memory was 75.0 MB in the beginning and 299.7 MB in the end (delta: -224.6 MB). Peak memory consumption was 51.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:37,726 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 64.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:21:37,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.52 ms. Allocated memory is still 104.9 MB. Free memory was 74.7 MB in the beginning and 64.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:37,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.64 ms. Allocated memory is still 104.9 MB. Free memory was 64.4 MB in the beginning and 58.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:37,727 INFO L168 Benchmark]: Boogie Preprocessor took 86.00 ms. Allocated memory is still 104.9 MB. Free memory was 58.8 MB in the beginning and 54.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:37,727 INFO L168 Benchmark]: RCFGBuilder took 1618.07 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 54.3 MB in the beginning and 70.2 MB in the end (delta: -16.0 MB). Peak memory consumption was 45.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:37,728 INFO L168 Benchmark]: TraceAbstraction took 11424.48 ms. Allocated memory was 130.0 MB in the beginning and 381.7 MB in the end (delta: 251.7 MB). Free memory was 69.4 MB in the beginning and 314.3 MB in the end (delta: -245.0 MB). Peak memory consumption was 129.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:37,728 INFO L168 Benchmark]: Witness Printer took 220.93 ms. Allocated memory is still 381.7 MB. Free memory was 314.3 MB in the beginning and 299.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:37,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 64.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 664.52 ms. Allocated memory is still 104.9 MB. Free memory was 74.7 MB in the beginning and 64.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.64 ms. Allocated memory is still 104.9 MB. Free memory was 64.4 MB in the beginning and 58.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.00 ms. Allocated memory is still 104.9 MB. Free memory was 58.8 MB in the beginning and 54.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1618.07 ms. Allocated memory was 104.9 MB in the beginning and 130.0 MB in the end (delta: 25.2 MB). Free memory was 54.3 MB in the beginning and 70.2 MB in the end (delta: -16.0 MB). Peak memory consumption was 45.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11424.48 ms. Allocated memory was 130.0 MB in the beginning and 381.7 MB in the end (delta: 251.7 MB). Free memory was 69.4 MB in the beginning and 314.3 MB in the end (delta: -245.0 MB). Peak memory consumption was 129.2 MB. Max. memory is 16.1 GB. * Witness Printer took 220.93 ms. Allocated memory is still 381.7 MB. Free memory was 314.3 MB in the beginning and 299.7 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: 40]: Loop Invariant Derived loop invariant: ((((((((a20 == 1 && a17 == 1) && a8 <= 13) || ((a17 <= 0 && a20 == 1) && a8 <= 13)) || ((a21 == 1 && a17 <= 0) && a20 == 1)) || ((a16 <= 5 && a17 == 1) && a8 <= 13)) || (a16 <= 5 && a17 <= 0)) || (a17 <= 0 && 15 <= a8)) || ((a21 == 1 && a20 == 1) && a17 == 1)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((a20 == 1 && a17 == 1) && a8 <= 13) || ((a17 <= 0 && a20 == 1) && a8 <= 13)) || ((a21 == 1 && a17 <= 0) && a20 == 1)) || ((a16 <= 5 && a17 == 1) && a8 <= 13)) || (a16 <= 5 && a17 <= 0)) || (a17 <= 0 && 15 <= a8)) || ((a21 == 1 && a20 == 1) && a17 == 1)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.8s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 611 SDtfs, 1406 SDslu, 61 SDs, 0 SdLazy, 3725 SolverSat, 651 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred 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, 1048 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 153 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1290 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 56 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1971 NumberOfCodeBlocks, 1971 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1959 ConstructedInterpolants, 0 QuantifiedInterpolants, 638020 SizeOfPredicates, 2 NumberOfNonLiveVariables, 810 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 944/950 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...