./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label30.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/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 b4f9225f3d12aafc9efbfc03e25947e8fb9284d9 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:10:55,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:10:55,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:10:55,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:10:55,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:10:55,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:10:55,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:10:55,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:10:55,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:10:55,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:10:55,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:10:55,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:10:55,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:10:55,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:10:55,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:10:55,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:10:55,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:10:55,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:10:55,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:10:55,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:10:55,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:10:55,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:10:55,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:10:55,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:10:55,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:10:55,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:10:55,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:10:55,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:10:55,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:10:55,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:10:55,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:10:55,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:10:55,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:10:55,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:10:55,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:10:55,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:10:55,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:10:55,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:10:55,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:10:55,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:10:55,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:10:55,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:10:55,784 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:10:55,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:10:55,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:10:55,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:10:55,787 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:10:55,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:10:55,787 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:10:55,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:10:55,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:10:55,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:10:55,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:10:55,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:10:55,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:10:55,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:10:55,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:10:55,793 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:10:55,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:10:55,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:10:55,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:10:55,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:10:55,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:10:55,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:10:55,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:10:55,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:10:55,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:10:55,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:10:55,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:10:55,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:10:55,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:10:55,815 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_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4f9225f3d12aafc9efbfc03e25947e8fb9284d9 [2020-11-28 03:10:56,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:10:56,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:10:56,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:10:56,151 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:10:56,152 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:10:56,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label30.c [2020-11-28 03:10:56,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/data/496c7f95e/1be425cb5a1d41f897a5d88334911bd7/FLAGe0e34d7b2 [2020-11-28 03:10:56,951 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:10:56,952 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/sv-benchmarks/c/eca-rers2012/Problem02_label30.c [2020-11-28 03:10:56,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/data/496c7f95e/1be425cb5a1d41f897a5d88334911bd7/FLAGe0e34d7b2 [2020-11-28 03:10:57,134 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/data/496c7f95e/1be425cb5a1d41f897a5d88334911bd7 [2020-11-28 03:10:57,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:10:57,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:10:57,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:10:57,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:10:57,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:10:57,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:57" (1/1) ... [2020-11-28 03:10:57,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9099170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:57, skipping insertion in model container [2020-11-28 03:10:57,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:57" (1/1) ... [2020-11-28 03:10:57,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:10:57,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:10:57,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:10:57,745 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:10:57,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:10:57,955 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:10:57,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:57 WrapperNode [2020-11-28 03:10:57,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:10:57,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:10:57,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:10:57,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:10:57,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:57" (1/1) ... [2020-11-28 03:10:57,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:57" (1/1) ... [2020-11-28 03:10:58,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:10:58,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:10:58,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:10:58,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:10:58,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:57" (1/1) ... [2020-11-28 03:10:58,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:57" (1/1) ... [2020-11-28 03:10:58,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:57" (1/1) ... [2020-11-28 03:10:58,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:57" (1/1) ... [2020-11-28 03:10:58,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:57" (1/1) ... [2020-11-28 03:10:58,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:57" (1/1) ... [2020-11-28 03:10:58,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:57" (1/1) ... [2020-11-28 03:10:58,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:10:58,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:10:58,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:10:58,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:10:58,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:10:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:10:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:10:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:10:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:11:00,185 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:11:00,185 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:11:00,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:00 BoogieIcfgContainer [2020-11-28 03:11:00,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:11:00,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:11:00,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:11:00,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:11:00,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:10:57" (1/3) ... [2020-11-28 03:11:00,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df1ca8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:00, skipping insertion in model container [2020-11-28 03:11:00,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:57" (2/3) ... [2020-11-28 03:11:00,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df1ca8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:11:00, skipping insertion in model container [2020-11-28 03:11:00,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:00" (3/3) ... [2020-11-28 03:11:00,203 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label30.c [2020-11-28 03:11:00,223 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:11:00,229 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:11:00,244 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:11:00,277 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:11:00,278 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:11:00,278 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:11:00,278 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:11:00,278 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:11:00,290 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:11:00,290 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:11:00,290 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:11:00,328 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-28 03:11:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-28 03:11:00,357 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:00,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:00,358 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:00,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:00,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1456307141, now seen corresponding path program 1 times [2020-11-28 03:11:00,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:00,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18052131] [2020-11-28 03:11:00,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:01,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18052131] [2020-11-28 03:11:01,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:01,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:11:01,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139473490] [2020-11-28 03:11:01,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:01,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:01,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:01,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:01,106 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-28 03:11:02,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:02,524 INFO L93 Difference]: Finished difference Result 602 states and 1036 transitions. [2020-11-28 03:11:02,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:02,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-11-28 03:11:02,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:02,545 INFO L225 Difference]: With dead ends: 602 [2020-11-28 03:11:02,546 INFO L226 Difference]: Without dead ends: 310 [2020-11-28 03:11:02,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:02,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-11-28 03:11:02,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-11-28 03:11:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-11-28 03:11:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2020-11-28 03:11:02,646 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 128 [2020-11-28 03:11:02,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:02,647 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2020-11-28 03:11:02,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2020-11-28 03:11:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-28 03:11:02,652 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:02,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:02,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:11:02,654 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:02,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:02,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1081663048, now seen corresponding path program 1 times [2020-11-28 03:11:02,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:02,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016174812] [2020-11-28 03:11:02,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:02,813 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:02,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016174812] [2020-11-28 03:11:02,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:02,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:11:02,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721496589] [2020-11-28 03:11:02,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:02,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:02,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:02,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:02,838 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 3 states. [2020-11-28 03:11:03,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:03,724 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2020-11-28 03:11:03,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:03,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-11-28 03:11:03,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:03,732 INFO L225 Difference]: With dead ends: 902 [2020-11-28 03:11:03,732 INFO L226 Difference]: Without dead ends: 594 [2020-11-28 03:11:03,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:03,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-11-28 03:11:03,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2020-11-28 03:11:03,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-11-28 03:11:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 752 transitions. [2020-11-28 03:11:03,801 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 752 transitions. Word has length 146 [2020-11-28 03:11:03,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:03,802 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 752 transitions. [2020-11-28 03:11:03,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:03,803 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 752 transitions. [2020-11-28 03:11:03,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-11-28 03:11:03,808 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:03,809 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:03,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:11:03,809 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:03,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:03,810 INFO L82 PathProgramCache]: Analyzing trace with hash -334772056, now seen corresponding path program 1 times [2020-11-28 03:11:03,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:03,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368808842] [2020-11-28 03:11:03,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:03,952 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:03,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368808842] [2020-11-28 03:11:03,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:03,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:11:03,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769292360] [2020-11-28 03:11:03,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:03,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:03,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:03,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:03,962 INFO L87 Difference]: Start difference. First operand 592 states and 752 transitions. Second operand 3 states. [2020-11-28 03:11:04,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:04,403 INFO L93 Difference]: Finished difference Result 1172 states and 1489 transitions. [2020-11-28 03:11:04,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:04,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2020-11-28 03:11:04,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:04,410 INFO L225 Difference]: With dead ends: 1172 [2020-11-28 03:11:04,411 INFO L226 Difference]: Without dead ends: 582 [2020-11-28 03:11:04,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:04,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-11-28 03:11:04,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2020-11-28 03:11:04,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-11-28 03:11:04,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 699 transitions. [2020-11-28 03:11:04,459 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 699 transitions. Word has length 147 [2020-11-28 03:11:04,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:04,460 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 699 transitions. [2020-11-28 03:11:04,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:04,460 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 699 transitions. [2020-11-28 03:11:04,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-11-28 03:11:04,463 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:04,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:04,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:11:04,464 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:04,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:04,465 INFO L82 PathProgramCache]: Analyzing trace with hash -2078520171, now seen corresponding path program 1 times [2020-11-28 03:11:04,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:04,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659935508] [2020-11-28 03:11:04,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:04,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659935508] [2020-11-28 03:11:04,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:04,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:04,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016743062] [2020-11-28 03:11:04,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:04,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:04,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:04,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:04,556 INFO L87 Difference]: Start difference. First operand 582 states and 699 transitions. Second operand 3 states. [2020-11-28 03:11:05,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:05,330 INFO L93 Difference]: Finished difference Result 1302 states and 1571 transitions. [2020-11-28 03:11:05,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:05,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-11-28 03:11:05,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:05,337 INFO L225 Difference]: With dead ends: 1302 [2020-11-28 03:11:05,337 INFO L226 Difference]: Without dead ends: 722 [2020-11-28 03:11:05,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:05,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-11-28 03:11:05,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2020-11-28 03:11:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-11-28 03:11:05,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 854 transitions. [2020-11-28 03:11:05,364 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 854 transitions. Word has length 151 [2020-11-28 03:11:05,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:05,365 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 854 transitions. [2020-11-28 03:11:05,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:05,365 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 854 transitions. [2020-11-28 03:11:05,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-28 03:11:05,368 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:05,369 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:05,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:11:05,370 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:05,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:05,370 INFO L82 PathProgramCache]: Analyzing trace with hash 649958539, now seen corresponding path program 1 times [2020-11-28 03:11:05,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:05,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055803479] [2020-11-28 03:11:05,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:05,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055803479] [2020-11-28 03:11:05,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496532817] [2020-11-28 03:11:05,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:11:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:05,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:11:05,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 03:11:06,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:11:06,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:11:06,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135995321] [2020-11-28 03:11:06,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:06,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:06,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:06,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:11:06,256 INFO L87 Difference]: Start difference. First operand 722 states and 854 transitions. Second operand 3 states. [2020-11-28 03:11:07,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:07,294 INFO L93 Difference]: Finished difference Result 1723 states and 2063 transitions. [2020-11-28 03:11:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:07,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-11-28 03:11:07,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:07,302 INFO L225 Difference]: With dead ends: 1723 [2020-11-28 03:11:07,303 INFO L226 Difference]: Without dead ends: 861 [2020-11-28 03:11:07,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:11:07,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-11-28 03:11:07,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-11-28 03:11:07,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-28 03:11:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 946 transitions. [2020-11-28 03:11:07,354 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 946 transitions. Word has length 155 [2020-11-28 03:11:07,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:07,356 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 946 transitions. [2020-11-28 03:11:07,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 946 transitions. [2020-11-28 03:11:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-11-28 03:11:07,360 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:07,361 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:07,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:11:07,577 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:07,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:07,577 INFO L82 PathProgramCache]: Analyzing trace with hash 625012828, now seen corresponding path program 1 times [2020-11-28 03:11:07,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:07,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116259974] [2020-11-28 03:11:07,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:07,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116259974] [2020-11-28 03:11:07,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445863404] [2020-11-28 03:11:07,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:11:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:07,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:11:07,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-28 03:11:08,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:11:08,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-11-28 03:11:08,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633674900] [2020-11-28 03:11:08,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:08,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:08,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:08,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:11:08,077 INFO L87 Difference]: Start difference. First operand 861 states and 946 transitions. Second operand 3 states. [2020-11-28 03:11:08,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:08,816 INFO L93 Difference]: Finished difference Result 2139 states and 2359 transitions. [2020-11-28 03:11:08,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:08,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-11-28 03:11:08,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:08,826 INFO L225 Difference]: With dead ends: 2139 [2020-11-28 03:11:08,827 INFO L226 Difference]: Without dead ends: 1279 [2020-11-28 03:11:08,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:11:08,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-11-28 03:11:08,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 999. [2020-11-28 03:11:08,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-11-28 03:11:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1116 transitions. [2020-11-28 03:11:08,868 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1116 transitions. Word has length 161 [2020-11-28 03:11:08,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:08,875 INFO L481 AbstractCegarLoop]: Abstraction has 999 states and 1116 transitions. [2020-11-28 03:11:08,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:08,876 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1116 transitions. [2020-11-28 03:11:08,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-11-28 03:11:08,881 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:08,882 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:09,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:11:09,105 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:09,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:09,105 INFO L82 PathProgramCache]: Analyzing trace with hash -654171505, now seen corresponding path program 1 times [2020-11-28 03:11:09,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:09,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827165454] [2020-11-28 03:11:09,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:09,337 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-11-28 03:11:09,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827165454] [2020-11-28 03:11:09,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585461245] [2020-11-28 03:11:09,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/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 [2020-11-28 03:11:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:09,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:11:09,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:09,614 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 03:11:09,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:11:09,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:11:09,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798237419] [2020-11-28 03:11:09,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:09,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:09,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:09,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:11:09,619 INFO L87 Difference]: Start difference. First operand 999 states and 1116 transitions. Second operand 3 states. [2020-11-28 03:11:10,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:10,414 INFO L93 Difference]: Finished difference Result 2276 states and 2562 transitions. [2020-11-28 03:11:10,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:10,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-11-28 03:11:10,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:10,423 INFO L225 Difference]: With dead ends: 2276 [2020-11-28 03:11:10,424 INFO L226 Difference]: Without dead ends: 1279 [2020-11-28 03:11:10,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:11:10,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-11-28 03:11:10,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1277. [2020-11-28 03:11:10,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-11-28 03:11:10,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1423 transitions. [2020-11-28 03:11:10,469 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1423 transitions. Word has length 204 [2020-11-28 03:11:10,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:10,469 INFO L481 AbstractCegarLoop]: Abstraction has 1277 states and 1423 transitions. [2020-11-28 03:11:10,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:10,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1423 transitions. [2020-11-28 03:11:10,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-11-28 03:11:10,476 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:10,476 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2020-11-28 03:11:10,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:11:10,705 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:10,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:10,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1215586111, now seen corresponding path program 1 times [2020-11-28 03:11:10,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:10,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623381413] [2020-11-28 03:11:10,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 03:11:10,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623381413] [2020-11-28 03:11:10,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:11:10,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:11:10,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214400785] [2020-11-28 03:11:10,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:10,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:10,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:10,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:10,947 INFO L87 Difference]: Start difference. First operand 1277 states and 1423 transitions. Second operand 3 states. [2020-11-28 03:11:11,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:11,697 INFO L93 Difference]: Finished difference Result 3110 states and 3438 transitions. [2020-11-28 03:11:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:11,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-11-28 03:11:11,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:11,711 INFO L225 Difference]: With dead ends: 3110 [2020-11-28 03:11:11,712 INFO L226 Difference]: Without dead ends: 1835 [2020-11-28 03:11:11,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:11:11,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2020-11-28 03:11:11,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1275. [2020-11-28 03:11:11,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2020-11-28 03:11:11,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1419 transitions. [2020-11-28 03:11:11,765 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1419 transitions. Word has length 226 [2020-11-28 03:11:11,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:11,766 INFO L481 AbstractCegarLoop]: Abstraction has 1275 states and 1419 transitions. [2020-11-28 03:11:11,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:11,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1419 transitions. [2020-11-28 03:11:11,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-11-28 03:11:11,773 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:11:11,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:11:11,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:11:11,774 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:11:11,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:11:11,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1222597132, now seen corresponding path program 1 times [2020-11-28 03:11:11,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:11:11,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357954261] [2020-11-28 03:11:11,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:11:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:11:12,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357954261] [2020-11-28 03:11:12,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634911966] [2020-11-28 03:11:12,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/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 [2020-11-28 03:11:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:11:12,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:11:12,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:11:12,473 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-28 03:11:12,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:11:12,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:11:12,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749755728] [2020-11-28 03:11:12,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:11:12,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:11:12,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:11:12,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:11:12,476 INFO L87 Difference]: Start difference. First operand 1275 states and 1419 transitions. Second operand 3 states. [2020-11-28 03:11:13,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:11:13,207 INFO L93 Difference]: Finished difference Result 2547 states and 2836 transitions. [2020-11-28 03:11:13,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:11:13,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-11-28 03:11:13,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:11:13,209 INFO L225 Difference]: With dead ends: 2547 [2020-11-28 03:11:13,210 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:11:13,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:11:13,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:11:13,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:11:13,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:11:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:11:13,214 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-11-28 03:11:13,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:11:13,214 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:11:13,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:11:13,214 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:11:13,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:11:13,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:11:13,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:11:13,675 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-11-28 03:11:13,835 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-11-28 03:11:13,840 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,840 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,840 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,841 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-28 03:11:13,841 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-28 03:11:13,842 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-28 03:11:13,842 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-28 03:11:13,842 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-28 03:11:13,842 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-28 03:11:13,842 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-28 03:11:13,843 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-28 03:11:13,843 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,843 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,843 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,843 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-28 03:11:13,843 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-28 03:11:13,844 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-28 03:11:13,844 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-28 03:11:13,844 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-28 03:11:13,844 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,844 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,844 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,844 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-28 03:11:13,845 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-28 03:11:13,845 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-28 03:11:13,845 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-28 03:11:13,845 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-28 03:11:13,845 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-28 03:11:13,845 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-28 03:11:13,846 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-28 03:11:13,846 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-28 03:11:13,846 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-28 03:11:13,846 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,846 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,846 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,847 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-28 03:11:13,847 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-28 03:11:13,847 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-28 03:11:13,847 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-28 03:11:13,847 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-28 03:11:13,847 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-28 03:11:13,848 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-28 03:11:13,848 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,848 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,848 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,848 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-28 03:11:13,848 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-28 03:11:13,849 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-28 03:11:13,849 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-28 03:11:13,849 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-28 03:11:13,849 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-28 03:11:13,849 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-28 03:11:13,849 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,849 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,850 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,850 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-28 03:11:13,850 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-28 03:11:13,850 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-28 03:11:13,850 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-28 03:11:13,850 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-28 03:11:13,851 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,851 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,851 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,851 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-28 03:11:13,851 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-28 03:11:13,851 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-28 03:11:13,852 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-28 03:11:13,852 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-28 03:11:13,852 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-28 03:11:13,852 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-28 03:11:13,852 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-28 03:11:13,852 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,853 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,853 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,853 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-28 03:11:13,853 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:11:13,853 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-28 03:11:13,853 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-28 03:11:13,854 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-28 03:11:13,854 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-28 03:11:13,854 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-28 03:11:13,854 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-28 03:11:13,854 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-28 03:11:13,854 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,854 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,855 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,855 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-28 03:11:13,855 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-28 03:11:13,855 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-28 03:11:13,855 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-28 03:11:13,855 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-28 03:11:13,856 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-28 03:11:13,856 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-28 03:11:13,856 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-28 03:11:13,856 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-28 03:11:13,856 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,856 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,857 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,857 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-28 03:11:13,857 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-28 03:11:13,857 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-28 03:11:13,857 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-28 03:11:13,857 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-28 03:11:13,858 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-28 03:11:13,858 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:11:13,858 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:11:13,858 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,858 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,859 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,859 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-28 03:11:13,859 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-28 03:11:13,859 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-28 03:11:13,859 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-28 03:11:13,859 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-28 03:11:13,860 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-28 03:11:13,860 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-28 03:11:13,860 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-28 03:11:13,860 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,860 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,860 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,861 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-28 03:11:13,861 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-28 03:11:13,861 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-28 03:11:13,861 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-28 03:11:13,861 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-28 03:11:13,861 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,861 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,862 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,862 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-28 03:11:13,862 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-28 03:11:13,862 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-28 03:11:13,862 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-28 03:11:13,862 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-28 03:11:13,863 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-28 03:11:13,863 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-28 03:11:13,863 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-28 03:11:13,863 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-28 03:11:13,863 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-28 03:11:13,863 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-28 03:11:13,864 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,864 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,864 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-28 03:11:13,864 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-28 03:11:13,864 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-28 03:11:13,864 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-28 03:11:13,865 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-28 03:11:13,865 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-28 03:11:13,865 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-28 03:11:13,865 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-28 03:11:13,865 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-28 03:11:13,865 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:11:13,868 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (<= 8 ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-11-28 03:11:13,868 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,868 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,868 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-28 03:11:13,868 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-28 03:11:13,869 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-28 03:11:13,869 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-28 03:11:13,869 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-28 03:11:13,869 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-28 03:11:13,869 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-28 03:11:13,870 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,870 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,870 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-28 03:11:13,871 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-28 03:11:13,871 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-28 03:11:13,871 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-28 03:11:13,871 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-28 03:11:13,871 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-28 03:11:13,871 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-28 03:11:13,872 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-28 03:11:13,872 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-28 03:11:13,872 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,872 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,872 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-28 03:11:13,872 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-28 03:11:13,873 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-28 03:11:13,873 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-28 03:11:13,873 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:11:13,873 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-28 03:11:13,873 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-28 03:11:13,874 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (<= 8 ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-11-28 03:11:13,875 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,875 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,875 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-28 03:11:13,875 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-28 03:11:13,875 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-28 03:11:13,875 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-28 03:11:13,876 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-28 03:11:13,876 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,876 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,876 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-28 03:11:13,876 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-28 03:11:13,876 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-28 03:11:13,877 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-28 03:11:13,877 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-28 03:11:13,877 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-28 03:11:13,877 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-28 03:11:13,877 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-28 03:11:13,877 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-28 03:11:13,877 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,878 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,878 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-28 03:11:13,878 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,878 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:11:13,878 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-28 03:11:13,878 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-28 03:11:13,879 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-28 03:11:13,879 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-28 03:11:13,879 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-28 03:11:13,879 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-28 03:11:13,879 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,879 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,880 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,880 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-28 03:11:13,880 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-28 03:11:13,880 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-28 03:11:13,880 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-28 03:11:13,880 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-28 03:11:13,881 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,881 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,881 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:11:13,881 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-28 03:11:13,881 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-28 03:11:13,881 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-28 03:11:13,881 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-28 03:11:13,882 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-28 03:11:13,882 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-28 03:11:13,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:11:13 BoogieIcfgContainer [2020-11-28 03:11:13,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:11:13,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:11:13,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:11:13,940 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:11:13,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:11:00" (3/4) ... [2020-11-28 03:11:13,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:11:14,000 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:11:14,002 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:11:14,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:11:14,005 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:11:14,239 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d170dd27-6dd9-492a-9cfe-5cbf18b1bc8e/bin/uautomizer/witness.graphml [2020-11-28 03:11:14,239 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:11:14,241 INFO L168 Benchmark]: Toolchain (without parser) took 17100.68 ms. Allocated memory was 111.1 MB in the beginning and 362.8 MB in the end (delta: 251.7 MB). Free memory was 89.3 MB in the beginning and 293.6 MB in the end (delta: -204.3 MB). Peak memory consumption was 45.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:14,241 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory is still 55.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:11:14,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.51 ms. Allocated memory is still 111.1 MB. Free memory was 88.9 MB in the beginning and 65.6 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:14,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.63 ms. Allocated memory is still 111.1 MB. Free memory was 65.6 MB in the beginning and 60.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:14,243 INFO L168 Benchmark]: Boogie Preprocessor took 102.11 ms. Allocated memory is still 111.1 MB. Free memory was 60.2 MB in the beginning and 56.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:14,244 INFO L168 Benchmark]: RCFGBuilder took 2008.25 ms. Allocated memory is still 111.1 MB. Free memory was 56.0 MB in the beginning and 41.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:14,244 INFO L168 Benchmark]: TraceAbstraction took 13745.26 ms. Allocated memory was 111.1 MB in the beginning and 362.8 MB in the end (delta: 251.7 MB). Free memory was 40.6 MB in the beginning and 308.3 MB in the end (delta: -267.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:14,245 INFO L168 Benchmark]: Witness Printer took 301.06 ms. Allocated memory is still 362.8 MB. Free memory was 308.3 MB in the beginning and 293.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:11:14,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 79.7 MB. Free memory is still 55.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 813.51 ms. Allocated memory is still 111.1 MB. Free memory was 88.9 MB in the beginning and 65.6 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.63 ms. Allocated memory is still 111.1 MB. Free memory was 65.6 MB in the beginning and 60.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 102.11 ms. Allocated memory is still 111.1 MB. Free memory was 60.2 MB in the beginning and 56.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2008.25 ms. Allocated memory is still 111.1 MB. Free memory was 56.0 MB in the beginning and 41.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13745.26 ms. Allocated memory was 111.1 MB in the beginning and 362.8 MB in the end (delta: 251.7 MB). Free memory was 40.6 MB in the beginning and 308.3 MB in the end (delta: -267.6 MB). Peak memory consumption was 119.6 MB. Max. memory is 16.1 GB. * Witness Printer took 301.06 ms. Allocated memory is still 362.8 MB. Free memory was 308.3 MB in the beginning and 293.6 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: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || (((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((8 <= a17 && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || (((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((8 <= a17 && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((9 <= a28 && 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: 13.1s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 748 SDtfs, 959 SDslu, 80 SDs, 0 SdLazy, 2952 SolverSat, 517 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 770 GetRequests, 749 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1277occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 844 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 25 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 410 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 68 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2290 NumberOfCodeBlocks, 2290 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2277 ConstructedInterpolants, 0 QuantifiedInterpolants, 1522836 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1348 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 848/938 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...