./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label55.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label55.c -s /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/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 eb1378ae256d4f0b4a7126643513eaf232a83d7c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:06:11,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:06:11,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:06:11,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:06:11,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:06:11,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:06:11,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:06:11,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:06:11,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:06:11,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:06:11,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:06:11,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:06:11,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:06:11,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:06:11,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:06:11,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:06:11,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:06:11,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:06:11,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:06:11,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:06:11,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:06:11,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:06:11,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:06:11,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:06:11,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:06:11,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:06:11,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:06:11,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:06:11,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:06:11,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:06:11,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:06:11,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:06:11,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:06:11,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:06:11,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:06:11,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:06:11,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:06:11,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:06:11,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:06:11,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:06:11,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:06:11,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 16:06:11,843 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:06:11,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:06:11,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:06:11,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:06:11,845 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 16:06:11,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:06:11,845 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:06:11,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:06:11,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:06:11,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:06:11,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:06:11,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:06:11,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:06:11,847 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:06:11,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:06:11,847 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:06:11,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:06:11,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:06:11,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 16:06:11,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:06:11,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 16:06:11,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 16:06:11,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:06:11,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:06:11,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:06:11,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 16:06:11,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:06:11,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:06:11,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 16:06:11,851 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_318b16cf-20f7-4821-80df-917fe16a4071/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb1378ae256d4f0b4a7126643513eaf232a83d7c [2020-12-01 16:06:12,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:06:12,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:06:12,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:06:12,143 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:06:12,145 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:06:12,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label55.c [2020-12-01 16:06:12,223 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer/data/6c0b1560c/68934cf7f33345d287b7e8c4509c83ac/FLAGfd2f85568 [2020-12-01 16:06:12,730 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:06:12,731 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/sv-benchmarks/c/eca-rers2012/Problem02_label55.c [2020-12-01 16:06:12,745 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer/data/6c0b1560c/68934cf7f33345d287b7e8c4509c83ac/FLAGfd2f85568 [2020-12-01 16:06:13,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer/data/6c0b1560c/68934cf7f33345d287b7e8c4509c83ac [2020-12-01 16:06:13,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:06:13,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:06:13,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:06:13,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:06:13,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:06:13,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:06:13" (1/1) ... [2020-12-01 16:06:13,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2751227b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:06:13, skipping insertion in model container [2020-12-01 16:06:13,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:06:13" (1/1) ... [2020-12-01 16:06:13,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:06:13,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:06:13,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:06:13,799 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:06:13,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:06:13,956 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:06:13,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:06:13 WrapperNode [2020-12-01 16:06:13,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:06:13,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:06:13,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:06:13,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:06:13,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:06:13" (1/1) ... [2020-12-01 16:06:13,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:06:13" (1/1) ... [2020-12-01 16:06:14,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:06:14,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:06:14,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:06:14,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:06:14,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:06:13" (1/1) ... [2020-12-01 16:06:14,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:06:13" (1/1) ... [2020-12-01 16:06:14,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:06:13" (1/1) ... [2020-12-01 16:06:14,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:06:13" (1/1) ... [2020-12-01 16:06:14,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:06:13" (1/1) ... [2020-12-01 16:06:14,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:06:13" (1/1) ... [2020-12-01 16:06:14,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:06:13" (1/1) ... [2020-12-01 16:06:14,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:06:14,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:06:14,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:06:14,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:06:14,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:06:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/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 [2020-12-01 16:06:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:06:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:06:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:06:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:06:15,551 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:06:15,552 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:06:15,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:06:15 BoogieIcfgContainer [2020-12-01 16:06:15,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:06:15,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 16:06:15,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 16:06:15,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 16:06:15,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 04:06:13" (1/3) ... [2020-12-01 16:06:15,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f83bad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:06:15, skipping insertion in model container [2020-12-01 16:06:15,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:06:13" (2/3) ... [2020-12-01 16:06:15,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f83bad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:06:15, skipping insertion in model container [2020-12-01 16:06:15,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:06:15" (3/3) ... [2020-12-01 16:06:15,568 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label55.c [2020-12-01 16:06:15,585 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 16:06:15,588 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 16:06:15,599 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 16:06:15,635 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 16:06:15,635 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 16:06:15,635 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 16:06:15,635 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 16:06:15,635 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 16:06:15,636 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 16:06:15,636 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 16:06:15,636 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 16:06:15,655 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-12-01 16:06:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 16:06:15,665 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:06:15,666 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:06:15,666 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:06:15,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:06:15,672 INFO L82 PathProgramCache]: Analyzing trace with hash -673842037, now seen corresponding path program 1 times [2020-12-01 16:06:15,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:06:15,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218245451] [2020-12-01 16:06:15,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:06:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:06:16,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218245451] [2020-12-01 16:06:16,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:06:16,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:06:16,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958372960] [2020-12-01 16:06:16,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:06:16,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:06:16,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:06:16,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:06:16,226 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-12-01 16:06:17,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:06:17,190 INFO L93 Difference]: Finished difference Result 602 states and 1036 transitions. [2020-12-01 16:06:17,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:06:17,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-12-01 16:06:17,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:06:17,223 INFO L225 Difference]: With dead ends: 602 [2020-12-01 16:06:17,229 INFO L226 Difference]: Without dead ends: 310 [2020-12-01 16:06:17,234 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 [2020-12-01 16:06:17,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-12-01 16:06:17,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-12-01 16:06:17,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-12-01 16:06:17,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2020-12-01 16:06:17,318 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 105 [2020-12-01 16:06:17,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:06:17,319 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2020-12-01 16:06:17,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:06:17,320 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2020-12-01 16:06:17,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-01 16:06:17,333 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:06:17,334 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:06:17,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 16:06:17,334 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:06:17,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:06:17,337 INFO L82 PathProgramCache]: Analyzing trace with hash -2130677400, now seen corresponding path program 1 times [2020-12-01 16:06:17,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:06:17,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169221286] [2020-12-01 16:06:17,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:06:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:06:17,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169221286] [2020-12-01 16:06:17,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:06:17,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:06:17,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69518327] [2020-12-01 16:06:17,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:06:17,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:06:17,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:06:17,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:06:17,470 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 3 states. [2020-12-01 16:06:18,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:06:18,104 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2020-12-01 16:06:18,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:06:18,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-12-01 16:06:18,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:06:18,109 INFO L225 Difference]: With dead ends: 902 [2020-12-01 16:06:18,109 INFO L226 Difference]: Without dead ends: 594 [2020-12-01 16:06:18,112 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 [2020-12-01 16:06:18,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-12-01 16:06:18,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2020-12-01 16:06:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-12-01 16:06:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 751 transitions. [2020-12-01 16:06:18,155 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 751 transitions. Word has length 123 [2020-12-01 16:06:18,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:06:18,156 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 751 transitions. [2020-12-01 16:06:18,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:06:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 751 transitions. [2020-12-01 16:06:18,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-01 16:06:18,158 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:06:18,158 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-01 16:06:18,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 16:06:18,159 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:06:18,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:06:18,160 INFO L82 PathProgramCache]: Analyzing trace with hash 2098049800, now seen corresponding path program 1 times [2020-12-01 16:06:18,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:06:18,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389917681] [2020-12-01 16:06:18,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:06:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:06:18,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389917681] [2020-12-01 16:06:18,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:06:18,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:06:18,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57494441] [2020-12-01 16:06:18,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:06:18,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:06:18,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:06:18,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:06:18,250 INFO L87 Difference]: Start difference. First operand 592 states and 751 transitions. Second operand 3 states. [2020-12-01 16:06:18,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:06:18,639 INFO L93 Difference]: Finished difference Result 1172 states and 1487 transitions. [2020-12-01 16:06:18,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:06:18,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-01 16:06:18,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:06:18,658 INFO L225 Difference]: With dead ends: 1172 [2020-12-01 16:06:18,658 INFO L226 Difference]: Without dead ends: 582 [2020-12-01 16:06:18,659 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 [2020-12-01 16:06:18,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-12-01 16:06:18,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2020-12-01 16:06:18,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-12-01 16:06:18,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 698 transitions. [2020-12-01 16:06:18,692 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 698 transitions. Word has length 124 [2020-12-01 16:06:18,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:06:18,692 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 698 transitions. [2020-12-01 16:06:18,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:06:18,692 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 698 transitions. [2020-12-01 16:06:18,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-12-01 16:06:18,694 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:06:18,694 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:06:18,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 16:06:18,695 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:06:18,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:06:18,696 INFO L82 PathProgramCache]: Analyzing trace with hash 252564923, now seen corresponding path program 1 times [2020-12-01 16:06:18,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:06:18,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681626088] [2020-12-01 16:06:18,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:06:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:18,793 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:06:18,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681626088] [2020-12-01 16:06:18,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:06:18,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:06:18,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175025186] [2020-12-01 16:06:18,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:06:18,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:06:18,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:06:18,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:06:18,798 INFO L87 Difference]: Start difference. First operand 582 states and 698 transitions. Second operand 3 states. [2020-12-01 16:06:19,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:06:19,333 INFO L93 Difference]: Finished difference Result 1302 states and 1569 transitions. [2020-12-01 16:06:19,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:06:19,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-12-01 16:06:19,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:06:19,341 INFO L225 Difference]: With dead ends: 1302 [2020-12-01 16:06:19,341 INFO L226 Difference]: Without dead ends: 722 [2020-12-01 16:06:19,343 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 [2020-12-01 16:06:19,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-12-01 16:06:19,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2020-12-01 16:06:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-12-01 16:06:19,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 853 transitions. [2020-12-01 16:06:19,371 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 853 transitions. Word has length 128 [2020-12-01 16:06:19,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:06:19,371 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 853 transitions. [2020-12-01 16:06:19,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:06:19,372 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 853 transitions. [2020-12-01 16:06:19,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-01 16:06:19,397 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:06:19,397 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:06:19,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 16:06:19,398 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:06:19,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:06:19,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1693136251, now seen corresponding path program 1 times [2020-12-01 16:06:19,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:06:19,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771124480] [2020-12-01 16:06:19,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:06:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:19,730 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:06:19,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771124480] [2020-12-01 16:06:19,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473270078] [2020-12-01 16:06:19,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/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 [2020-12-01 16:06:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:19,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 16:06:19,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:06:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:06:20,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 16:06:20,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 16:06:20,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461813649] [2020-12-01 16:06:20,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:06:20,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:06:20,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:06:20,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-01 16:06:20,176 INFO L87 Difference]: Start difference. First operand 722 states and 853 transitions. Second operand 3 states. [2020-12-01 16:06:20,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:06:20,731 INFO L93 Difference]: Finished difference Result 2007 states and 2364 transitions. [2020-12-01 16:06:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:06:20,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-12-01 16:06:20,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:06:20,741 INFO L225 Difference]: With dead ends: 2007 [2020-12-01 16:06:20,742 INFO L226 Difference]: Without dead ends: 1287 [2020-12-01 16:06:20,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-01 16:06:20,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2020-12-01 16:06:20,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1283. [2020-12-01 16:06:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1283 states. [2020-12-01 16:06:20,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1489 transitions. [2020-12-01 16:06:20,779 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1489 transitions. Word has length 132 [2020-12-01 16:06:20,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:06:20,781 INFO L481 AbstractCegarLoop]: Abstraction has 1283 states and 1489 transitions. [2020-12-01 16:06:20,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:06:20,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1489 transitions. [2020-12-01 16:06:20,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-01 16:06:20,786 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:06:20,786 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:06:21,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 16:06:21,007 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:06:21,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:06:21,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1898273489, now seen corresponding path program 1 times [2020-12-01 16:06:21,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:06:21,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844028241] [2020-12-01 16:06:21,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:06:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:21,112 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 16:06:21,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844028241] [2020-12-01 16:06:21,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843306336] [2020-12-01 16:06:21,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/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 [2020-12-01 16:06:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:21,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 16:06:21,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:06:21,426 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:06:21,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 16:06:21,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 16:06:21,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367425038] [2020-12-01 16:06:21,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:06:21,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:06:21,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:06:21,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:06:21,432 INFO L87 Difference]: Start difference. First operand 1283 states and 1489 transitions. Second operand 3 states. [2020-12-01 16:06:22,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:06:22,001 INFO L93 Difference]: Finished difference Result 2846 states and 3370 transitions. [2020-12-01 16:06:22,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:06:22,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-12-01 16:06:22,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:06:22,011 INFO L225 Difference]: With dead ends: 2846 [2020-12-01 16:06:22,011 INFO L226 Difference]: Without dead ends: 1705 [2020-12-01 16:06:22,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:06:22,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2020-12-01 16:06:22,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1284. [2020-12-01 16:06:22,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2020-12-01 16:06:22,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1526 transitions. [2020-12-01 16:06:22,046 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1526 transitions. Word has length 146 [2020-12-01 16:06:22,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:06:22,054 INFO L481 AbstractCegarLoop]: Abstraction has 1284 states and 1526 transitions. [2020-12-01 16:06:22,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:06:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1526 transitions. [2020-12-01 16:06:22,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-12-01 16:06:22,058 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:06:22,058 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-01 16:06:22,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 16:06:22,274 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:06:22,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:06:22,275 INFO L82 PathProgramCache]: Analyzing trace with hash 468934390, now seen corresponding path program 1 times [2020-12-01 16:06:22,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:06:22,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461078469] [2020-12-01 16:06:22,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:06:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:22,353 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:06:22,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461078469] [2020-12-01 16:06:22,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:06:22,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:06:22,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117013254] [2020-12-01 16:06:22,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:06:22,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:06:22,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:06:22,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:06:22,356 INFO L87 Difference]: Start difference. First operand 1284 states and 1526 transitions. Second operand 3 states. [2020-12-01 16:06:22,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:06:22,912 INFO L93 Difference]: Finished difference Result 2986 states and 3551 transitions. [2020-12-01 16:06:22,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:06:22,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-12-01 16:06:22,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:06:22,921 INFO L225 Difference]: With dead ends: 2986 [2020-12-01 16:06:22,921 INFO L226 Difference]: Without dead ends: 1562 [2020-12-01 16:06:22,923 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 [2020-12-01 16:06:22,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2020-12-01 16:06:22,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1562. [2020-12-01 16:06:22,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1562 states. [2020-12-01 16:06:22,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 1733 transitions. [2020-12-01 16:06:22,958 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 1733 transitions. Word has length 158 [2020-12-01 16:06:22,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:06:22,959 INFO L481 AbstractCegarLoop]: Abstraction has 1562 states and 1733 transitions. [2020-12-01 16:06:22,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:06:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1733 transitions. [2020-12-01 16:06:22,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-12-01 16:06:22,963 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:06:22,963 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:06:22,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 16:06:22,964 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:06:22,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:06:22,964 INFO L82 PathProgramCache]: Analyzing trace with hash -739491797, now seen corresponding path program 1 times [2020-12-01 16:06:22,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:06:22,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960770373] [2020-12-01 16:06:22,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:06:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:23,084 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:06:23,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960770373] [2020-12-01 16:06:23,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:06:23,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:06:23,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219786810] [2020-12-01 16:06:23,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:06:23,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:06:23,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:06:23,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:06:23,087 INFO L87 Difference]: Start difference. First operand 1562 states and 1733 transitions. Second operand 3 states. [2020-12-01 16:06:23,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:06:23,560 INFO L93 Difference]: Finished difference Result 3402 states and 3727 transitions. [2020-12-01 16:06:23,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:06:23,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2020-12-01 16:06:23,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:06:23,570 INFO L225 Difference]: With dead ends: 3402 [2020-12-01 16:06:23,570 INFO L226 Difference]: Without dead ends: 1700 [2020-12-01 16:06:23,576 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 [2020-12-01 16:06:23,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2020-12-01 16:06:23,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1697. [2020-12-01 16:06:23,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1697 states. [2020-12-01 16:06:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 1796 transitions. [2020-12-01 16:06:23,614 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 1796 transitions. Word has length 179 [2020-12-01 16:06:23,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:06:23,615 INFO L481 AbstractCegarLoop]: Abstraction has 1697 states and 1796 transitions. [2020-12-01 16:06:23,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:06:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 1796 transitions. [2020-12-01 16:06:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 16:06:23,619 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:06:23,619 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:06:23,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 16:06:23,620 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:06:23,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:06:23,620 INFO L82 PathProgramCache]: Analyzing trace with hash 2121193629, now seen corresponding path program 1 times [2020-12-01 16:06:23,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:06:23,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486327670] [2020-12-01 16:06:23,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:06:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 16:06:23,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486327670] [2020-12-01 16:06:23,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036827716] [2020-12-01 16:06:23,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 16:06:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:23,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 16:06:23,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:06:24,142 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-12-01 16:06:24,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 16:06:24,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-01 16:06:24,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086608227] [2020-12-01 16:06:24,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:06:24,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:06:24,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:06:24,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:06:24,144 INFO L87 Difference]: Start difference. First operand 1697 states and 1796 transitions. Second operand 3 states. [2020-12-01 16:06:24,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:06:24,644 INFO L93 Difference]: Finished difference Result 4524 states and 4797 transitions. [2020-12-01 16:06:24,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:06:24,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2020-12-01 16:06:24,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:06:24,659 INFO L225 Difference]: With dead ends: 4524 [2020-12-01 16:06:24,660 INFO L226 Difference]: Without dead ends: 2969 [2020-12-01 16:06:24,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:06:24,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2969 states. [2020-12-01 16:06:24,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2969 to 2829. [2020-12-01 16:06:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2829 states. [2020-12-01 16:06:24,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2829 states and 3002 transitions. [2020-12-01 16:06:24,719 INFO L78 Accepts]: Start accepts. Automaton has 2829 states and 3002 transitions. Word has length 190 [2020-12-01 16:06:24,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:06:24,719 INFO L481 AbstractCegarLoop]: Abstraction has 2829 states and 3002 transitions. [2020-12-01 16:06:24,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:06:24,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 3002 transitions. [2020-12-01 16:06:24,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-12-01 16:06:24,725 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:06:24,726 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:06:24,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 16:06:24,951 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:06:24,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:06:24,952 INFO L82 PathProgramCache]: Analyzing trace with hash 196926268, now seen corresponding path program 1 times [2020-12-01 16:06:24,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:06:24,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125858616] [2020-12-01 16:06:24,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:06:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:25,357 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:06:25,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125858616] [2020-12-01 16:06:25,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662349802] [2020-12-01 16:06:25,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 16:06:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:25,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 16:06:25,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:06:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:06:25,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 16:06:25,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 16:06:25,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769448868] [2020-12-01 16:06:25,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:06:25,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:06:25,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:06:25,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-01 16:06:25,685 INFO L87 Difference]: Start difference. First operand 2829 states and 3002 transitions. Second operand 3 states. [2020-12-01 16:06:26,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:06:26,174 INFO L93 Difference]: Finished difference Result 5372 states and 5712 transitions. [2020-12-01 16:06:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:06:26,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-12-01 16:06:26,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:06:26,188 INFO L225 Difference]: With dead ends: 5372 [2020-12-01 16:06:26,188 INFO L226 Difference]: Without dead ends: 2685 [2020-12-01 16:06:26,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-01 16:06:26,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2020-12-01 16:06:26,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2683. [2020-12-01 16:06:26,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2683 states. [2020-12-01 16:06:26,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 2828 transitions. [2020-12-01 16:06:26,246 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 2828 transitions. Word has length 203 [2020-12-01 16:06:26,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:06:26,246 INFO L481 AbstractCegarLoop]: Abstraction has 2683 states and 2828 transitions. [2020-12-01 16:06:26,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:06:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 2828 transitions. [2020-12-01 16:06:26,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-01 16:06:26,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:06:26,255 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-12-01 16:06:26,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 16:06:26,482 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:06:26,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:06:26,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1294945328, now seen corresponding path program 1 times [2020-12-01 16:06:26,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:06:26,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349898539] [2020-12-01 16:06:26,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:06:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:06:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-12-01 16:06:26,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349898539] [2020-12-01 16:06:26,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:06:26,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:06:26,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039889294] [2020-12-01 16:06:26,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:06:26,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:06:26,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:06:26,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:06:26,644 INFO L87 Difference]: Start difference. First operand 2683 states and 2828 transitions. Second operand 3 states. [2020-12-01 16:06:27,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:06:27,089 INFO L93 Difference]: Finished difference Result 3523 states and 3697 transitions. [2020-12-01 16:06:27,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:06:27,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2020-12-01 16:06:27,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:06:27,092 INFO L225 Difference]: With dead ends: 3523 [2020-12-01 16:06:27,092 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 16:06:27,096 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 [2020-12-01 16:06:27,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 16:06:27,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 16:06:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 16:06:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 16:06:27,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2020-12-01 16:06:27,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:06:27,097 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 16:06:27,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:06:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 16:06:27,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:06:27,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-01 16:06:27,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 16:06:27,420 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-12-01 16:06:27,638 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-12-01 16:06:27,643 INFO L262 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,644 INFO L262 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,644 INFO L262 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,644 INFO L262 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-12-01 16:06:27,644 INFO L262 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-12-01 16:06:27,644 INFO L262 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-12-01 16:06:27,644 INFO L262 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-12-01 16:06:27,644 INFO L262 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-12-01 16:06:27,644 INFO L262 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-12-01 16:06:27,644 INFO L262 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-12-01 16:06:27,644 INFO L262 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-12-01 16:06:27,644 INFO L262 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,644 INFO L262 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,644 INFO L262 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-12-01 16:06:27,645 INFO L262 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-12-01 16:06:27,646 INFO L262 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-12-01 16:06:27,646 INFO L262 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-12-01 16:06:27,646 INFO L262 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-12-01 16:06:27,646 INFO L262 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-12-01 16:06:27,646 INFO L262 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,646 INFO L262 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,646 INFO L262 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,646 INFO L262 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-12-01 16:06:27,646 INFO L262 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-12-01 16:06:27,646 INFO L262 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-12-01 16:06:27,646 INFO L262 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-12-01 16:06:27,646 INFO L262 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-12-01 16:06:27,646 INFO L262 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-12-01 16:06:27,647 INFO L262 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-12-01 16:06:27,647 INFO L262 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,647 INFO L262 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,647 INFO L262 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,647 INFO L262 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-12-01 16:06:27,647 INFO L262 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-12-01 16:06:27,647 INFO L262 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-12-01 16:06:27,647 INFO L262 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-12-01 16:06:27,647 INFO L262 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-12-01 16:06:27,647 INFO L262 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-12-01 16:06:27,647 INFO L262 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-12-01 16:06:27,647 INFO L262 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,647 INFO L262 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-12-01 16:06:27,648 INFO L262 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-12-01 16:06:27,649 INFO L262 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-12-01 16:06:27,650 INFO L262 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-12-01 16:06:27,650 INFO L262 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,650 INFO L262 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,650 INFO L262 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,650 INFO L262 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-12-01 16:06:27,650 INFO L262 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-12-01 16:06:27,650 INFO L262 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-12-01 16:06:27,650 INFO L262 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-12-01 16:06:27,650 INFO L262 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-12-01 16:06:27,650 INFO L262 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-12-01 16:06:27,650 INFO L262 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-12-01 16:06:27,650 INFO L262 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-12-01 16:06:27,650 INFO L262 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-12-01 16:06:27,651 INFO L262 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,651 INFO L262 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,651 INFO L262 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,651 INFO L262 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-12-01 16:06:27,651 INFO L262 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-12-01 16:06:27,651 INFO L262 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-12-01 16:06:27,651 INFO L262 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-12-01 16:06:27,651 INFO L262 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-12-01 16:06:27,651 INFO L262 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-12-01 16:06:27,651 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 16:06:27,651 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-01 16:06:27,651 INFO L262 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,652 INFO L262 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,652 INFO L262 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,652 INFO L262 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-12-01 16:06:27,652 INFO L262 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-12-01 16:06:27,652 INFO L262 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-12-01 16:06:27,652 INFO L262 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-12-01 16:06:27,652 INFO L262 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-12-01 16:06:27,652 INFO L262 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-12-01 16:06:27,652 INFO L262 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-12-01 16:06:27,652 INFO L262 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-12-01 16:06:27,652 INFO L262 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,652 INFO L262 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,652 INFO L262 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,653 INFO L262 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-12-01 16:06:27,653 INFO L262 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-12-01 16:06:27,653 INFO L262 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-12-01 16:06:27,653 INFO L262 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-12-01 16:06:27,653 INFO L262 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-12-01 16:06:27,653 INFO L262 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,653 INFO L262 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,653 INFO L262 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,653 INFO L262 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-12-01 16:06:27,653 INFO L262 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-12-01 16:06:27,653 INFO L262 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-12-01 16:06:27,653 INFO L262 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-12-01 16:06:27,653 INFO L262 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-12-01 16:06:27,654 INFO L262 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-12-01 16:06:27,654 INFO L262 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-12-01 16:06:27,654 INFO L262 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-12-01 16:06:27,654 INFO L262 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-12-01 16:06:27,654 INFO L262 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-12-01 16:06:27,654 INFO L262 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-12-01 16:06:27,654 INFO L262 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,654 INFO L262 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,654 INFO L262 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-12-01 16:06:27,654 INFO L262 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-12-01 16:06:27,654 INFO L262 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-12-01 16:06:27,654 INFO L262 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-12-01 16:06:27,654 INFO L262 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-12-01 16:06:27,655 INFO L262 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-12-01 16:06:27,655 INFO L262 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-12-01 16:06:27,655 INFO L262 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-12-01 16:06:27,655 INFO L262 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-12-01 16:06:27,655 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-01 16:06:27,655 INFO L258 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse9 (<= ~a25~0 0)) (.cse7 (<= ~a28~0 7)) (.cse2 (= ~a19~0 1)) (.cse1 (<= 9 ~a28~0)) (.cse8 (<= ~a28~0 9)) (.cse5 (= ~a11~0 1)) (.cse0 (<= ~a11~0 0)) (.cse10 (<= 10 ~a28~0)) (.cse6 (= ~a25~0 1)) (.cse3 (<= ~a17~0 8)) (.cse4 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse6 .cse7 .cse3) (and .cse0 .cse2 .cse6 .cse3) (and .cse0 .cse8 .cse3 .cse9) (and .cse5 .cse7 .cse3) (and .cse10 .cse5 .cse3 .cse9 .cse4) (and .cse10 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse3) (and .cse2 .cse10 .cse6 .cse3) (and .cse1 .cse6 .cse8 .cse5 .cse3) (and .cse0 .cse10 .cse6 .cse3 .cse4))) [2020-12-01 16:06:27,655 INFO L262 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,656 INFO L262 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,656 INFO L262 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-12-01 16:06:27,656 INFO L262 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-12-01 16:06:27,656 INFO L262 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-12-01 16:06:27,656 INFO L262 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-12-01 16:06:27,656 INFO L262 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-12-01 16:06:27,656 INFO L262 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-12-01 16:06:27,656 INFO L265 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-12-01 16:06:27,656 INFO L262 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,656 INFO L262 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,656 INFO L262 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-12-01 16:06:27,656 INFO L262 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-12-01 16:06:27,656 INFO L262 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-12-01 16:06:27,657 INFO L262 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-12-01 16:06:27,657 INFO L262 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-12-01 16:06:27,657 INFO L262 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-12-01 16:06:27,657 INFO L262 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-12-01 16:06:27,657 INFO L262 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-12-01 16:06:27,657 INFO L262 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-12-01 16:06:27,657 INFO L262 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,657 INFO L262 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,657 INFO L262 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-12-01 16:06:27,657 INFO L262 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-12-01 16:06:27,657 INFO L262 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-12-01 16:06:27,657 INFO L262 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-12-01 16:06:27,657 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 16:06:27,658 INFO L262 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-12-01 16:06:27,658 INFO L262 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-12-01 16:06:27,658 INFO L258 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse9 (<= ~a25~0 0)) (.cse7 (<= ~a28~0 7)) (.cse2 (= ~a19~0 1)) (.cse1 (<= 9 ~a28~0)) (.cse8 (<= ~a28~0 9)) (.cse5 (= ~a11~0 1)) (.cse0 (<= ~a11~0 0)) (.cse10 (<= 10 ~a28~0)) (.cse6 (= ~a25~0 1)) (.cse3 (<= ~a17~0 8)) (.cse4 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse6 .cse7 .cse3) (and .cse0 .cse2 .cse6 .cse3) (and .cse0 .cse8 .cse3 .cse9) (and .cse5 .cse7 .cse3) (and .cse10 .cse5 .cse3 .cse9 .cse4) (and .cse10 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse3) (and .cse2 .cse10 .cse6 .cse3) (and .cse1 .cse6 .cse8 .cse5 .cse3) (and .cse0 .cse10 .cse6 .cse3 .cse4))) [2020-12-01 16:06:27,658 INFO L262 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,658 INFO L262 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,658 INFO L262 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-12-01 16:06:27,658 INFO L262 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-12-01 16:06:27,658 INFO L262 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-12-01 16:06:27,658 INFO L262 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-12-01 16:06:27,658 INFO L262 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-12-01 16:06:27,658 INFO L262 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,659 INFO L262 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,659 INFO L262 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-12-01 16:06:27,659 INFO L262 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-12-01 16:06:27,659 INFO L262 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-12-01 16:06:27,659 INFO L262 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-12-01 16:06:27,659 INFO L262 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-12-01 16:06:27,659 INFO L262 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-12-01 16:06:27,659 INFO L262 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-12-01 16:06:27,659 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-12-01 16:06:27,659 INFO L262 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-12-01 16:06:27,659 INFO L262 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,659 INFO L262 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-12-01 16:06:27,660 INFO L262 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-12-01 16:06:27,661 INFO L262 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-12-01 16:06:27,661 INFO L262 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-12-01 16:06:27,661 INFO L262 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-12-01 16:06:27,661 INFO L262 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,661 INFO L262 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,661 INFO L262 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-12-01 16:06:27,661 INFO L262 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-12-01 16:06:27,661 INFO L262 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-12-01 16:06:27,661 INFO L262 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-12-01 16:06:27,661 INFO L262 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-12-01 16:06:27,661 INFO L262 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-12-01 16:06:27,661 INFO L262 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-12-01 16:06:27,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 04:06:27 BoogieIcfgContainer [2020-12-01 16:06:27,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 16:06:27,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:06:27,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:06:27,689 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:06:27,689 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:06:15" (3/4) ... [2020-12-01 16:06:27,692 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:06:27,713 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 16:06:27,715 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 16:06:27,716 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:06:27,717 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:06:27,838 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_318b16cf-20f7-4821-80df-917fe16a4071/bin/uautomizer/witness.graphml [2020-12-01 16:06:27,838 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:06:27,839 INFO L168 Benchmark]: Toolchain (without parser) took 14607.13 ms. Allocated memory was 81.8 MB in the beginning and 310.4 MB in the end (delta: 228.6 MB). Free memory was 47.6 MB in the beginning and 250.7 MB in the end (delta: -203.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:06:27,840 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 55.0 MB in the beginning and 55.0 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:06:27,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.97 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 47.3 MB in the beginning and 67.2 MB in the end (delta: -19.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:06:27,840 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.35 ms. Allocated memory is still 104.9 MB. Free memory was 67.2 MB in the beginning and 61.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:06:27,841 INFO L168 Benchmark]: Boogie Preprocessor took 82.23 ms. Allocated memory is still 104.9 MB. Free memory was 61.6 MB in the beginning and 57.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:06:27,841 INFO L168 Benchmark]: RCFGBuilder took 1412.81 ms. Allocated memory is still 104.9 MB. Free memory was 57.4 MB in the beginning and 76.3 MB in the end (delta: -18.9 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:06:27,841 INFO L168 Benchmark]: TraceAbstraction took 12129.19 ms. Allocated memory was 104.9 MB in the beginning and 310.4 MB in the end (delta: 205.5 MB). Free memory was 76.3 MB in the beginning and 265.3 MB in the end (delta: -189.0 MB). Peak memory consumption was 183.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:06:27,842 INFO L168 Benchmark]: Witness Printer took 149.85 ms. Allocated memory is still 310.4 MB. Free memory was 265.3 MB in the beginning and 250.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:06:27,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 81.8 MB. Free memory was 55.0 MB in the beginning and 55.0 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 723.97 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 47.3 MB in the beginning and 67.2 MB in the end (delta: -19.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.35 ms. Allocated memory is still 104.9 MB. Free memory was 67.2 MB in the beginning and 61.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.23 ms. Allocated memory is still 104.9 MB. Free memory was 61.6 MB in the beginning and 57.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1412.81 ms. Allocated memory is still 104.9 MB. Free memory was 57.4 MB in the beginning and 76.3 MB in the end (delta: -18.9 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12129.19 ms. Allocated memory was 104.9 MB in the beginning and 310.4 MB in the end (delta: 205.5 MB). Free memory was 76.3 MB in the beginning and 265.3 MB in the end (delta: -189.0 MB). Peak memory consumption was 183.2 MB. Max. memory is 16.1 GB. * Witness Printer took 149.85 ms. Allocated memory is still 310.4 MB. Free memory was 265.3 MB in the beginning and 250.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((((((((a11 <= 0 && 9 <= a28) && a19 == 1) && a17 <= 8) && a28 <= 10) || ((((9 <= a28 && a19 == 1) && a11 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || (((a11 <= 0 && a19 == 1) && a25 == 1) && a17 <= 8)) || (((a11 <= 0 && a28 <= 9) && a17 <= 8) && a25 <= 0)) || ((a11 == 1 && a28 <= 7) && a17 <= 8)) || ((((10 <= a28 && a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || (((10 <= a28 && a19 == 1) && a17 <= 8) && a28 <= 10)) || ((a11 <= 0 && a28 <= 7) && a17 <= 8)) || (((a19 == 1 && 10 <= a28) && a25 == 1) && a17 <= 8)) || ((((9 <= a28 && a25 == 1) && a28 <= 9) && a11 == 1) && a17 <= 8)) || ((((a11 <= 0 && 10 <= a28) && a25 == 1) && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((((((a11 <= 0 && 9 <= a28) && a19 == 1) && a17 <= 8) && a28 <= 10) || ((((9 <= a28 && a19 == 1) && a11 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || (((a11 <= 0 && a19 == 1) && a25 == 1) && a17 <= 8)) || (((a11 <= 0 && a28 <= 9) && a17 <= 8) && a25 <= 0)) || ((a11 == 1 && a28 <= 7) && a17 <= 8)) || ((((10 <= a28 && a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || (((10 <= a28 && a19 == 1) && a17 <= 8) && a28 <= 10)) || ((a11 <= 0 && a28 <= 7) && a17 <= 8)) || (((a19 == 1 && 10 <= a28) && a25 == 1) && a17 <= 8)) || ((((9 <= a28 && a25 == 1) && a28 <= 9) && a11 == 1) && a17 <= 8)) || ((((a11 <= 0 && 10 <= a28) && a25 == 1) && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.4s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1149 SDtfs, 1252 SDslu, 138 SDs, 0 SdLazy, 3583 SolverSat, 570 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 699 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2829occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 572 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 333 HoareAnnotationTreeSize, 3 FomulaSimplifications, 426 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 178 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2436 NumberOfCodeBlocks, 2436 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2421 ConstructedInterpolants, 0 QuantifiedInterpolants, 1382784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1253 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 1133/1293 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...