./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c -s /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b840f75fc867ba63f78865f2888fe33f8c0f62a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:04:09,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:04:09,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:04:09,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:04:09,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:04:09,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:04:09,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:04:09,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:04:09,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:04:09,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:04:09,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:04:09,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:04:09,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:04:09,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:04:09,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:04:09,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:04:09,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:04:09,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:04:09,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:04:09,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:04:09,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:04:09,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:04:09,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:04:09,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:04:09,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:04:09,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:04:09,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:04:09,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:04:09,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:04:09,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:04:09,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:04:09,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:04:09,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:04:09,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:04:09,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:04:09,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:04:09,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:04:09,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:04:09,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:04:09,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:04:09,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:04:09,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:04:09,904 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:04:09,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:04:09,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:04:09,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:04:09,906 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:04:09,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:04:09,906 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:04:09,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:04:09,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:04:09,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:04:09,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:04:09,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:04:09,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:04:09,908 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:04:09,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:04:09,908 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:04:09,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:04:09,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:04:09,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:04:09,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:04:09,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:04:09,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:04:09,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:04:09,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:04:09,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:04:09,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:04:09,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:04:09,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:04:09,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:04:09,911 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_00a899b1-9f83-4183-bdbb-0f9143e08575/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b840f75fc867ba63f78865f2888fe33f8c0f62a [2020-11-28 03:04:10,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:04:10,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:04:10,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:04:10,237 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:04:10,238 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:04:10,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c [2020-11-28 03:04:10,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/bin/uautomizer/data/1df0c703e/ae433388ced64f36bdc4b95a35332467/FLAG1d44edf69 [2020-11-28 03:04:11,064 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:04:11,065 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/sv-benchmarks/c/eca-rers2012/Problem10_label06.c [2020-11-28 03:04:11,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/bin/uautomizer/data/1df0c703e/ae433388ced64f36bdc4b95a35332467/FLAG1d44edf69 [2020-11-28 03:04:11,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/bin/uautomizer/data/1df0c703e/ae433388ced64f36bdc4b95a35332467 [2020-11-28 03:04:11,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:04:11,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:04:11,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:04:11,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:04:11,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:04:11,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:11" (1/1) ... [2020-11-28 03:04:11,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c9ad24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:11, skipping insertion in model container [2020-11-28 03:04:11,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:11" (1/1) ... [2020-11-28 03:04:11,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:04:11,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:04:11,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:04:11,783 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:04:11,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:04:11,908 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:04:11,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:11 WrapperNode [2020-11-28 03:04:11,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:04:11,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:04:11,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:04:11,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:04:11,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:11" (1/1) ... [2020-11-28 03:04:11,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:11" (1/1) ... [2020-11-28 03:04:12,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:04:12,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:04:12,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:04:12,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:04:12,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:11" (1/1) ... [2020-11-28 03:04:12,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:11" (1/1) ... [2020-11-28 03:04:12,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:11" (1/1) ... [2020-11-28 03:04:12,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:11" (1/1) ... [2020-11-28 03:04:12,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:11" (1/1) ... [2020-11-28 03:04:12,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:11" (1/1) ... [2020-11-28 03:04:12,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:11" (1/1) ... [2020-11-28 03:04:12,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:04:12,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:04:12,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:04:12,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:04:12,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/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 [2020-11-28 03:04:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:04:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:04:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:04:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:04:14,182 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:04:14,182 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:04:14,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:14 BoogieIcfgContainer [2020-11-28 03:04:14,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:04:14,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:04:14,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:04:14,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:04:14,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:04:11" (1/3) ... [2020-11-28 03:04:14,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256edce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:04:14, skipping insertion in model container [2020-11-28 03:04:14,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:11" (2/3) ... [2020-11-28 03:04:14,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256edce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:04:14, skipping insertion in model container [2020-11-28 03:04:14,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:14" (3/3) ... [2020-11-28 03:04:14,201 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label06.c [2020-11-28 03:04:14,213 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:04:14,218 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:04:14,230 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:04:14,274 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:04:14,274 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:04:14,274 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:04:14,274 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:04:14,274 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:04:14,275 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:04:14,275 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:04:14,275 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:04:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-28 03:04:14,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:04:14,308 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:14,309 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:04:14,309 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:14,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:14,318 INFO L82 PathProgramCache]: Analyzing trace with hash -593706766, now seen corresponding path program 1 times [2020-11-28 03:04:14,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:14,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811588884] [2020-11-28 03:04:14,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:04:14,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811588884] [2020-11-28 03:04:14,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:04:14,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:04:14,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125990475] [2020-11-28 03:04:14,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:04:14,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:14,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:04:14,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:04:14,567 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-28 03:04:15,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:15,904 INFO L93 Difference]: Finished difference Result 568 states and 982 transitions. [2020-11-28 03:04:15,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:04:15,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:04:15,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:04:15,929 INFO L225 Difference]: With dead ends: 568 [2020-11-28 03:04:15,938 INFO L226 Difference]: Without dead ends: 282 [2020-11-28 03:04:15,946 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 [2020-11-28 03:04:15,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-28 03:04:16,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-28 03:04:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-28 03:04:16,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2020-11-28 03:04:16,037 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 24 [2020-11-28 03:04:16,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:04:16,038 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2020-11-28 03:04:16,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:04:16,039 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2020-11-28 03:04:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-11-28 03:04:16,046 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:16,047 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:04:16,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:04:16,048 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:16,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:16,049 INFO L82 PathProgramCache]: Analyzing trace with hash 147213556, now seen corresponding path program 1 times [2020-11-28 03:04:16,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:16,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358820728] [2020-11-28 03:04:16,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:16,351 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:04:16,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358820728] [2020-11-28 03:04:16,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:04:16,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:04:16,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643772396] [2020-11-28 03:04:16,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:04:16,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:16,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:04:16,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:04:16,360 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 3 states. [2020-11-28 03:04:17,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:17,229 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2020-11-28 03:04:17,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:04:17,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-11-28 03:04:17,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:04:17,234 INFO L225 Difference]: With dead ends: 840 [2020-11-28 03:04:17,234 INFO L226 Difference]: Without dead ends: 560 [2020-11-28 03:04:17,236 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 [2020-11-28 03:04:17,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-28 03:04:17,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-28 03:04:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-28 03:04:17,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2020-11-28 03:04:17,262 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 94 [2020-11-28 03:04:17,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:04:17,263 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2020-11-28 03:04:17,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:04:17,263 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2020-11-28 03:04:17,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-28 03:04:17,269 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:17,269 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:04:17,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:04:17,271 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:17,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:17,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1180246066, now seen corresponding path program 1 times [2020-11-28 03:04:17,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:17,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932025327] [2020-11-28 03:04:17,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:17,531 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:04:17,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932025327] [2020-11-28 03:04:17,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581875752] [2020-11-28 03:04:17,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/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 [2020-11-28 03:04:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:17,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:04:17,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:04:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:04:17,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:04:17,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:04:17,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137901385] [2020-11-28 03:04:17,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:04:17,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:17,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:04:17,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:04:17,862 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand 3 states. [2020-11-28 03:04:18,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:18,890 INFO L93 Difference]: Finished difference Result 979 states and 1299 transitions. [2020-11-28 03:04:18,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:04:18,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-28 03:04:18,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:04:18,897 INFO L225 Difference]: With dead ends: 979 [2020-11-28 03:04:18,897 INFO L226 Difference]: Without dead ends: 977 [2020-11-28 03:04:18,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:04:18,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-28 03:04:18,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699. [2020-11-28 03:04:18,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-28 03:04:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 944 transitions. [2020-11-28 03:04:18,919 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 944 transitions. Word has length 99 [2020-11-28 03:04:18,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:04:18,920 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 944 transitions. [2020-11-28 03:04:18,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:04:18,920 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 944 transitions. [2020-11-28 03:04:18,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-28 03:04:18,924 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:18,925 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:04:19,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-28 03:04:19,138 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:19,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:19,138 INFO L82 PathProgramCache]: Analyzing trace with hash -947887748, now seen corresponding path program 1 times [2020-11-28 03:04:19,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:19,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698131609] [2020-11-28 03:04:19,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:19,478 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:04:19,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698131609] [2020-11-28 03:04:19,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:04:19,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:04:19,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898395993] [2020-11-28 03:04:19,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:04:19,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:19,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:04:19,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:04:19,484 INFO L87 Difference]: Start difference. First operand 699 states and 944 transitions. Second operand 4 states. [2020-11-28 03:04:20,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:20,355 INFO L93 Difference]: Finished difference Result 1549 states and 2059 transitions. [2020-11-28 03:04:20,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:04:20,362 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-11-28 03:04:20,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:04:20,367 INFO L225 Difference]: With dead ends: 1549 [2020-11-28 03:04:20,368 INFO L226 Difference]: Without dead ends: 852 [2020-11-28 03:04:20,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:04:20,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-11-28 03:04:20,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 838. [2020-11-28 03:04:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-28 03:04:20,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1088 transitions. [2020-11-28 03:04:20,390 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1088 transitions. Word has length 142 [2020-11-28 03:04:20,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:04:20,391 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1088 transitions. [2020-11-28 03:04:20,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:04:20,391 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1088 transitions. [2020-11-28 03:04:20,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-28 03:04:20,394 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:20,394 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:04:20,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:04:20,395 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:20,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:20,395 INFO L82 PathProgramCache]: Analyzing trace with hash -105808324, now seen corresponding path program 1 times [2020-11-28 03:04:20,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:20,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443081172] [2020-11-28 03:04:20,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:20,706 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:04:20,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443081172] [2020-11-28 03:04:20,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:04:20,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:04:20,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557531287] [2020-11-28 03:04:20,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:04:20,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:20,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:04:20,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:04:20,708 INFO L87 Difference]: Start difference. First operand 838 states and 1088 transitions. Second operand 7 states. [2020-11-28 03:04:21,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:21,412 INFO L93 Difference]: Finished difference Result 1590 states and 2085 transitions. [2020-11-28 03:04:21,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:04:21,414 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2020-11-28 03:04:21,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:04:21,419 INFO L225 Difference]: With dead ends: 1590 [2020-11-28 03:04:21,419 INFO L226 Difference]: Without dead ends: 838 [2020-11-28 03:04:21,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:04:21,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-28 03:04:21,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-11-28 03:04:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-28 03:04:21,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1082 transitions. [2020-11-28 03:04:21,453 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1082 transitions. Word has length 177 [2020-11-28 03:04:21,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:04:21,454 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1082 transitions. [2020-11-28 03:04:21,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:04:21,454 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1082 transitions. [2020-11-28 03:04:21,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-28 03:04:21,457 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:21,457 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:04:21,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:04:21,458 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:21,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:21,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1667583108, now seen corresponding path program 1 times [2020-11-28 03:04:21,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:21,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184311906] [2020-11-28 03:04:21,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:04:21,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184311906] [2020-11-28 03:04:21,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:04:21,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:04:21,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918743846] [2020-11-28 03:04:21,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:04:21,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:21,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:04:21,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:04:21,612 INFO L87 Difference]: Start difference. First operand 838 states and 1082 transitions. Second operand 3 states. [2020-11-28 03:04:22,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:22,416 INFO L93 Difference]: Finished difference Result 1952 states and 2639 transitions. [2020-11-28 03:04:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:04:22,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2020-11-28 03:04:22,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:04:22,425 INFO L225 Difference]: With dead ends: 1952 [2020-11-28 03:04:22,425 INFO L226 Difference]: Without dead ends: 1255 [2020-11-28 03:04:22,430 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 [2020-11-28 03:04:22,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-11-28 03:04:22,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 838. [2020-11-28 03:04:22,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-28 03:04:22,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1073 transitions. [2020-11-28 03:04:22,457 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1073 transitions. Word has length 184 [2020-11-28 03:04:22,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:04:22,457 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1073 transitions. [2020-11-28 03:04:22,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:04:22,458 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1073 transitions. [2020-11-28 03:04:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-11-28 03:04:22,461 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:22,462 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:04:22,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:04:22,470 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:22,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:22,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1344487966, now seen corresponding path program 1 times [2020-11-28 03:04:22,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:22,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895450298] [2020-11-28 03:04:22,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:04:22,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895450298] [2020-11-28 03:04:22,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:04:22,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:04:22,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652503422] [2020-11-28 03:04:22,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:04:22,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:22,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:04:22,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:04:22,692 INFO L87 Difference]: Start difference. First operand 838 states and 1073 transitions. Second operand 3 states. [2020-11-28 03:04:23,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:23,511 INFO L93 Difference]: Finished difference Result 1952 states and 2621 transitions. [2020-11-28 03:04:23,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:04:23,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2020-11-28 03:04:23,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:04:23,519 INFO L225 Difference]: With dead ends: 1952 [2020-11-28 03:04:23,519 INFO L226 Difference]: Without dead ends: 1255 [2020-11-28 03:04:23,521 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 [2020-11-28 03:04:23,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-11-28 03:04:23,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-11-28 03:04:23,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-28 03:04:23,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1581 transitions. [2020-11-28 03:04:23,551 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1581 transitions. Word has length 213 [2020-11-28 03:04:23,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:04:23,551 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1581 transitions. [2020-11-28 03:04:23,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:04:23,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1581 transitions. [2020-11-28 03:04:23,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-11-28 03:04:23,556 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:23,557 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:04:23,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:04:23,557 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:23,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:23,558 INFO L82 PathProgramCache]: Analyzing trace with hash -472553944, now seen corresponding path program 1 times [2020-11-28 03:04:23,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:23,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254280435] [2020-11-28 03:04:23,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-11-28 03:04:23,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254280435] [2020-11-28 03:04:23,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:04:23,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:04:23,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136807536] [2020-11-28 03:04:23,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:04:23,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:23,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:04:23,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:04:23,800 INFO L87 Difference]: Start difference. First operand 1255 states and 1581 transitions. Second operand 3 states. [2020-11-28 03:04:24,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:24,574 INFO L93 Difference]: Finished difference Result 2786 states and 3508 transitions. [2020-11-28 03:04:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:04:24,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 272 [2020-11-28 03:04:24,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:04:24,585 INFO L225 Difference]: With dead ends: 2786 [2020-11-28 03:04:24,585 INFO L226 Difference]: Without dead ends: 1672 [2020-11-28 03:04:24,587 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 [2020-11-28 03:04:24,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-11-28 03:04:24,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2020-11-28 03:04:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-11-28 03:04:24,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1947 transitions. [2020-11-28 03:04:24,632 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1947 transitions. Word has length 272 [2020-11-28 03:04:24,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:04:24,633 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 1947 transitions. [2020-11-28 03:04:24,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:04:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1947 transitions. [2020-11-28 03:04:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-11-28 03:04:24,666 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:24,666 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:04:24,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:04:24,667 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:24,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:24,667 INFO L82 PathProgramCache]: Analyzing trace with hash -592633075, now seen corresponding path program 1 times [2020-11-28 03:04:24,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:24,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733835403] [2020-11-28 03:04:24,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 41 proven. 24 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-11-28 03:04:25,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733835403] [2020-11-28 03:04:25,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782438010] [2020-11-28 03:04:25,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/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 [2020-11-28 03:04:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:25,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:04:25,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:04:25,339 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2020-11-28 03:04:25,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:04:25,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:04:25,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240039559] [2020-11-28 03:04:25,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:04:25,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:25,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:04:25,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:04:25,341 INFO L87 Difference]: Start difference. First operand 1672 states and 1947 transitions. Second operand 3 states. [2020-11-28 03:04:26,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:26,171 INFO L93 Difference]: Finished difference Result 1952 states and 2274 transitions. [2020-11-28 03:04:26,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:04:26,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2020-11-28 03:04:26,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:04:26,186 INFO L225 Difference]: With dead ends: 1952 [2020-11-28 03:04:26,186 INFO L226 Difference]: Without dead ends: 1950 [2020-11-28 03:04:26,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:04:26,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2020-11-28 03:04:26,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1533. [2020-11-28 03:04:26,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2020-11-28 03:04:26,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1792 transitions. [2020-11-28 03:04:26,233 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1792 transitions. Word has length 305 [2020-11-28 03:04:26,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:04:26,234 INFO L481 AbstractCegarLoop]: Abstraction has 1533 states and 1792 transitions. [2020-11-28 03:04:26,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:04:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1792 transitions. [2020-11-28 03:04:26,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-11-28 03:04:26,240 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:04:26,241 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:04:26,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:04:26,454 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:04:26,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:26,454 INFO L82 PathProgramCache]: Analyzing trace with hash 527476523, now seen corresponding path program 1 times [2020-11-28 03:04:26,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:26,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009634737] [2020-11-28 03:04:26,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-28 03:04:26,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009634737] [2020-11-28 03:04:26,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:04:26,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:04:26,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128859342] [2020-11-28 03:04:26,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:04:26,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:26,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:04:26,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:04:26,706 INFO L87 Difference]: Start difference. First operand 1533 states and 1792 transitions. Second operand 3 states. [2020-11-28 03:04:27,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:27,513 INFO L93 Difference]: Finished difference Result 3201 states and 3804 transitions. [2020-11-28 03:04:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:04:27,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 323 [2020-11-28 03:04:27,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:04:27,514 INFO L225 Difference]: With dead ends: 3201 [2020-11-28 03:04:27,514 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:04:27,517 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 [2020-11-28 03:04:27,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:04:27,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:04:27,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:04:27,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:04:27,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 323 [2020-11-28 03:04:27,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:04:27,518 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:04:27,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:04:27,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:04:27,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:04:27,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:04:27,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:04:27,745 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2020-11-28 03:04:27,938 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2020-11-28 03:04:27,943 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-28 03:04:27,943 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-28 03:04:27,943 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-28 03:04:27,943 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-28 03:04:27,943 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-28 03:04:27,943 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-28 03:04:27,943 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,944 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,944 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,944 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,944 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,944 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,944 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-28 03:04:27,944 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-28 03:04:27,944 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-28 03:04:27,944 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-28 03:04:27,944 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-28 03:04:27,944 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-28 03:04:27,944 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-28 03:04:27,944 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-28 03:04:27,945 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-28 03:04:27,946 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-28 03:04:27,946 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-28 03:04:27,946 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-28 03:04:27,946 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-28 03:04:27,946 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-28 03:04:27,946 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-28 03:04:27,946 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-28 03:04:27,946 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-28 03:04:27,946 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-28 03:04:27,946 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,946 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,946 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,946 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-28 03:04:27,947 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-28 03:04:27,948 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-28 03:04:27,949 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-28 03:04:27,949 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-28 03:04:27,949 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-28 03:04:27,949 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-28 03:04:27,949 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-28 03:04:27,949 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,949 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,949 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,955 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,955 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,955 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-28 03:04:27,956 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-28 03:04:27,956 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-28 03:04:27,956 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-28 03:04:27,956 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-28 03:04:27,956 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-28 03:04:27,956 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-28 03:04:27,956 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-28 03:04:27,956 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-28 03:04:27,957 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-28 03:04:27,957 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-28 03:04:27,957 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-28 03:04:27,957 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-28 03:04:27,957 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-28 03:04:27,957 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,957 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,957 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,958 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,958 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,958 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-28 03:04:27,958 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:04:27,958 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-28 03:04:27,958 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-28 03:04:27,958 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-28 03:04:27,958 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-28 03:04:27,958 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-28 03:04:27,959 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse1 (<= 7 ~a19~0)) (.cse3 (<= ~a19~0 9)) (.cse4 (<= 8 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2 .cse3) (and (= ~a10~0 3) .cse0 .cse2 .cse3) (and .cse0 .cse2 .cse3 (<= ~a1~0 23)) (and (= ~a10~0 1) .cse0 .cse1 .cse2) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse0 (= ~a10~0 0) .cse2))) [2020-11-28 03:04:27,959 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-28 03:04:27,959 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-28 03:04:27,959 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-28 03:04:27,959 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-28 03:04:27,960 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,960 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,960 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,960 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,960 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,960 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-28 03:04:27,960 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-28 03:04:27,960 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-28 03:04:27,961 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-28 03:04:27,961 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-28 03:04:27,961 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-28 03:04:27,961 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-28 03:04:27,961 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-28 03:04:27,961 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-28 03:04:27,961 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-28 03:04:27,962 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-28 03:04:27,962 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-28 03:04:27,962 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-28 03:04:27,962 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-28 03:04:27,962 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:04:27,962 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,962 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,962 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,963 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,963 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,963 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-28 03:04:27,963 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-28 03:04:27,963 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-28 03:04:27,963 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-28 03:04:27,963 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-28 03:04:27,963 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-28 03:04:27,964 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-28 03:04:27,964 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-28 03:04:27,964 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-28 03:04:27,964 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,964 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,965 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,965 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,965 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:04:27,965 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,965 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-28 03:04:27,965 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-28 03:04:27,966 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-28 03:04:27,966 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-28 03:04:27,966 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-28 03:04:27,966 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-28 03:04:27,966 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-28 03:04:27,966 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-28 03:04:27,966 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-28 03:04:27,966 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-28 03:04:27,967 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-28 03:04:27,967 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-28 03:04:27,968 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse1 (<= 7 ~a19~0)) (.cse3 (<= ~a19~0 9)) (.cse4 (<= 8 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2 .cse3) (and (= ~a10~0 3) .cse0 .cse2 .cse3) (and .cse0 .cse2 .cse3 (<= ~a1~0 23)) (and (= ~a10~0 1) .cse0 .cse1 .cse2) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse0 (= ~a10~0 0) .cse2))) [2020-11-28 03:04:27,968 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-28 03:04:27,968 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,968 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,968 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,969 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,969 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-28 03:04:27,969 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,969 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,969 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-28 03:04:27,969 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-28 03:04:27,969 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-28 03:04:27,969 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-28 03:04:27,970 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-28 03:04:27,970 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-28 03:04:27,970 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-28 03:04:27,970 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-28 03:04:27,970 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-28 03:04:27,970 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:04:27,970 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:04:27,971 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-28 03:04:27,971 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-28 03:04:27,971 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-28 03:04:27,971 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-28 03:04:27,971 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,971 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,971 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,971 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,972 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,972 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:04:27,972 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-28 03:04:27,972 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-28 03:04:27,972 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-28 03:04:27,972 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-28 03:04:27,972 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-28 03:04:27,981 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-28 03:04:27,981 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-28 03:04:27,981 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-28 03:04:27,981 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-28 03:04:28,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:04:28 BoogieIcfgContainer [2020-11-28 03:04:28,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:04:28,017 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:04:28,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:04:28,018 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:04:28,019 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:14" (3/4) ... [2020-11-28 03:04:28,022 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:04:28,051 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:04:28,053 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:04:28,054 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:04:28,055 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:04:28,228 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_00a899b1-9f83-4183-bdbb-0f9143e08575/bin/uautomizer/witness.graphml [2020-11-28 03:04:28,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:04:28,230 INFO L168 Benchmark]: Toolchain (without parser) took 16945.41 ms. Allocated memory was 96.5 MB in the beginning and 381.7 MB in the end (delta: 285.2 MB). Free memory was 62.5 MB in the beginning and 331.0 MB in the end (delta: -268.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:28,230 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 71.3 MB. Free memory was 33.0 MB in the beginning and 33.0 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:04:28,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.21 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 56.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:28,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.48 ms. Allocated memory is still 96.5 MB. Free memory was 56.8 MB in the beginning and 49.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:28,231 INFO L168 Benchmark]: Boogie Preprocessor took 151.09 ms. Allocated memory is still 96.5 MB. Free memory was 49.1 MB in the beginning and 43.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:28,232 INFO L168 Benchmark]: RCFGBuilder took 1999.99 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 43.8 MB in the beginning and 89.7 MB in the end (delta: -45.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:28,232 INFO L168 Benchmark]: TraceAbstraction took 13825.18 ms. Allocated memory was 127.9 MB in the beginning and 381.7 MB in the end (delta: 253.8 MB). Free memory was 89.7 MB in the beginning and 346.7 MB in the end (delta: -257.0 MB). Peak memory consumption was 166.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:28,233 INFO L168 Benchmark]: Witness Printer took 211.46 ms. Allocated memory is still 381.7 MB. Free memory was 346.7 MB in the beginning and 331.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:28,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 71.3 MB. Free memory was 33.0 MB in the beginning and 33.0 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 623.21 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 56.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 124.48 ms. Allocated memory is still 96.5 MB. Free memory was 56.8 MB in the beginning and 49.1 MB in the end (delta: 7.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 151.09 ms. Allocated memory is still 96.5 MB. Free memory was 49.1 MB in the beginning and 43.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1999.99 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 43.8 MB in the beginning and 89.7 MB in the end (delta: -45.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13825.18 ms. Allocated memory was 127.9 MB in the beginning and 381.7 MB in the end (delta: 253.8 MB). Free memory was 89.7 MB in the beginning and 346.7 MB in the end (delta: -257.0 MB). Peak memory consumption was 166.5 MB. Max. memory is 16.1 GB. * Witness Printer took 211.46 ms. Allocated memory is still 381.7 MB. Free memory was 346.7 MB in the beginning and 331.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && a10 == 2) && 7 <= a19) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a12 == 0) && a19 <= 9) && a1 <= 23)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((8 <= a19 && 14 == a4) && a10 == 0) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((14 == a4 && a10 == 2) && 7 <= a19) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a12 == 0) && a19 <= 9) && a1 <= 23)) || (((a10 == 1 && 14 == a4) && 7 <= a19) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((8 <= a19 && 14 == a4) && a10 == 0) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.2s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 859 SDtfs, 1151 SDslu, 53 SDs, 0 SdLazy, 3919 SolverSat, 686 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 435 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1672occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1126 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 165 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1063 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 352 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2237 NumberOfCodeBlocks, 2237 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2225 ConstructedInterpolants, 0 QuantifiedInterpolants, 1845192 SizeOfPredicates, 2 NumberOfNonLiveVariables, 642 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 1504/1531 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...