./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label55.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label55.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb1378ae256d4f0b4a7126643513eaf232a83d7c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:31:27,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:31:27,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:31:27,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:31:27,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:31:27,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:31:27,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:31:27,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:31:27,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:31:27,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:31:27,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:31:27,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:31:27,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:31:27,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:31:27,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:31:27,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:31:27,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:31:27,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:31:27,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:31:27,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:31:27,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:31:27,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:31:27,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:31:27,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:31:27,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:31:27,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:31:27,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:31:27,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:31:27,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:31:27,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:31:27,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:31:27,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:31:27,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:31:27,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:31:27,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:31:27,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:31:27,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:31:27,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:31:27,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:31:27,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:31:27,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:31:27,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:31:27,325 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:31:27,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:31:27,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:31:27,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:31:27,330 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:31:27,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:31:27,330 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:31:27,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:31:27,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:31:27,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:31:27,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:31:27,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:31:27,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:31:27,335 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:31:27,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:31:27,335 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:31:27,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:31:27,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:31:27,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:31:27,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:31:27,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:31:27,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:31:27,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:31:27,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:31:27,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:31:27,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:31:27,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:31:27,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:31:27,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:31:27,340 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_dd13943c-9c17-413b-bd33-11e7cf860871/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb1378ae256d4f0b4a7126643513eaf232a83d7c [2020-11-30 01:31:27,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:31:27,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:31:27,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:31:27,840 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:31:27,841 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:31:27,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label55.c [2020-11-30 01:31:27,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/data/6cb075701/22a39c26ea0f4a779071ea63a5d1a38f/FLAG4167cc936 [2020-11-30 01:31:28,870 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:31:28,871 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/sv-benchmarks/c/eca-rers2012/Problem02_label55.c [2020-11-30 01:31:28,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/data/6cb075701/22a39c26ea0f4a779071ea63a5d1a38f/FLAG4167cc936 [2020-11-30 01:31:29,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/data/6cb075701/22a39c26ea0f4a779071ea63a5d1a38f [2020-11-30 01:31:29,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:31:29,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:31:29,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:31:29,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:31:29,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:31:29,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:31:29" (1/1) ... [2020-11-30 01:31:29,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c42759f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:29, skipping insertion in model container [2020-11-30 01:31:29,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:31:29" (1/1) ... [2020-11-30 01:31:29,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:31:29,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:31:29,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:31:29,700 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:31:29,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:31:29,979 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:31:29,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:29 WrapperNode [2020-11-30 01:31:29,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:31:29,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:31:29,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:31:29,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:31:29,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:29" (1/1) ... [2020-11-30 01:31:30,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:29" (1/1) ... [2020-11-30 01:31:30,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:31:30,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:31:30,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:31:30,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:31:30,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:29" (1/1) ... [2020-11-30 01:31:30,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:29" (1/1) ... [2020-11-30 01:31:30,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:29" (1/1) ... [2020-11-30 01:31:30,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:29" (1/1) ... [2020-11-30 01:31:30,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:29" (1/1) ... [2020-11-30 01:31:30,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:29" (1/1) ... [2020-11-30 01:31:30,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:29" (1/1) ... [2020-11-30 01:31:30,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:31:30,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:31:30,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:31:30,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:31:30,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:31:30,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:31:30,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:31:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:31:30,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:31:32,744 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:31:32,744 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:31:32,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:32 BoogieIcfgContainer [2020-11-30 01:31:32,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:31:32,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:31:32,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:31:32,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:31:32,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:31:29" (1/3) ... [2020-11-30 01:31:32,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3107b23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:31:32, skipping insertion in model container [2020-11-30 01:31:32,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:31:29" (2/3) ... [2020-11-30 01:31:32,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3107b23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:31:32, skipping insertion in model container [2020-11-30 01:31:32,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:32" (3/3) ... [2020-11-30 01:31:32,791 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label55.c [2020-11-30 01:31:32,804 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:31:32,808 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:31:32,823 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:31:32,886 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:31:32,886 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:31:32,893 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:31:32,899 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:31:32,899 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:31:32,900 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:31:32,900 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:31:32,900 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:31:32,958 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-30 01:31:32,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-30 01:31:32,970 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:32,971 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:32,971 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:32,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:32,978 INFO L82 PathProgramCache]: Analyzing trace with hash -673842037, now seen corresponding path program 1 times [2020-11-30 01:31:32,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:32,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770826192] [2020-11-30 01:31:32,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:33,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770826192] [2020-11-30 01:31:33,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:31:33,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:31:33,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49373924] [2020-11-30 01:31:33,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:31:33,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:33,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:31:33,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:33,659 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-30 01:31:35,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:35,844 INFO L93 Difference]: Finished difference Result 602 states and 1036 transitions. [2020-11-30 01:31:35,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:31:35,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-30 01:31:35,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:35,871 INFO L225 Difference]: With dead ends: 602 [2020-11-30 01:31:35,874 INFO L226 Difference]: Without dead ends: 310 [2020-11-30 01:31:35,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:35,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-11-30 01:31:35,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-11-30 01:31:35,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-11-30 01:31:35,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2020-11-30 01:31:35,980 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 105 [2020-11-30 01:31:35,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:35,982 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2020-11-30 01:31:35,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:31:35,982 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2020-11-30 01:31:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-30 01:31:35,991 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:35,992 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:35,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:31:35,993 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:35,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:35,994 INFO L82 PathProgramCache]: Analyzing trace with hash -2130677400, now seen corresponding path program 1 times [2020-11-30 01:31:35,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:35,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359565168] [2020-11-30 01:31:35,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:36,163 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:36,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359565168] [2020-11-30 01:31:36,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:31:36,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:31:36,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145967006] [2020-11-30 01:31:36,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:31:36,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:36,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:31:36,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:36,175 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 3 states. [2020-11-30 01:31:37,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:37,334 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2020-11-30 01:31:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:31:37,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-11-30 01:31:37,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:37,342 INFO L225 Difference]: With dead ends: 902 [2020-11-30 01:31:37,343 INFO L226 Difference]: Without dead ends: 594 [2020-11-30 01:31:37,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:37,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-11-30 01:31:37,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2020-11-30 01:31:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-11-30 01:31:37,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 751 transitions. [2020-11-30 01:31:37,394 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 751 transitions. Word has length 123 [2020-11-30 01:31:37,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:37,395 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 751 transitions. [2020-11-30 01:31:37,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:31:37,395 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 751 transitions. [2020-11-30 01:31:37,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-30 01:31:37,416 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:37,416 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:37,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:31:37,417 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:37,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:37,418 INFO L82 PathProgramCache]: Analyzing trace with hash 2098049800, now seen corresponding path program 1 times [2020-11-30 01:31:37,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:37,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867964146] [2020-11-30 01:31:37,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:37,549 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:37,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867964146] [2020-11-30 01:31:37,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:31:37,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:31:37,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555620421] [2020-11-30 01:31:37,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:31:37,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:37,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:31:37,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:37,562 INFO L87 Difference]: Start difference. First operand 592 states and 751 transitions. Second operand 3 states. [2020-11-30 01:31:38,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:38,161 INFO L93 Difference]: Finished difference Result 1172 states and 1487 transitions. [2020-11-30 01:31:38,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:31:38,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-11-30 01:31:38,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:38,168 INFO L225 Difference]: With dead ends: 1172 [2020-11-30 01:31:38,169 INFO L226 Difference]: Without dead ends: 582 [2020-11-30 01:31:38,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:38,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-11-30 01:31:38,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2020-11-30 01:31:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-11-30 01:31:38,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 698 transitions. [2020-11-30 01:31:38,224 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 698 transitions. Word has length 124 [2020-11-30 01:31:38,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:38,225 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 698 transitions. [2020-11-30 01:31:38,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:31:38,225 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 698 transitions. [2020-11-30 01:31:38,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-30 01:31:38,229 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:38,229 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:38,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:31:38,230 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:38,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:38,231 INFO L82 PathProgramCache]: Analyzing trace with hash 252564923, now seen corresponding path program 1 times [2020-11-30 01:31:38,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:38,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027662700] [2020-11-30 01:31:38,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:38,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027662700] [2020-11-30 01:31:38,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:31:38,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:31:38,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256842692] [2020-11-30 01:31:38,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:31:38,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:38,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:31:38,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:38,389 INFO L87 Difference]: Start difference. First operand 582 states and 698 transitions. Second operand 3 states. [2020-11-30 01:31:39,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:39,312 INFO L93 Difference]: Finished difference Result 1302 states and 1569 transitions. [2020-11-30 01:31:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:31:39,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-11-30 01:31:39,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:39,320 INFO L225 Difference]: With dead ends: 1302 [2020-11-30 01:31:39,320 INFO L226 Difference]: Without dead ends: 722 [2020-11-30 01:31:39,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:39,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-11-30 01:31:39,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2020-11-30 01:31:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-11-30 01:31:39,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 853 transitions. [2020-11-30 01:31:39,350 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 853 transitions. Word has length 128 [2020-11-30 01:31:39,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:39,350 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 853 transitions. [2020-11-30 01:31:39,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:31:39,351 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 853 transitions. [2020-11-30 01:31:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-30 01:31:39,354 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:39,354 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:39,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:31:39,355 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:39,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:39,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1693136251, now seen corresponding path program 1 times [2020-11-30 01:31:39,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:39,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026674272] [2020-11-30 01:31:39,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:39,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026674272] [2020-11-30 01:31:39,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870981036] [2020-11-30 01:31:39,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:31:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:40,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:31:40,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:31:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:31:40,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:31:40,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 01:31:40,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975041021] [2020-11-30 01:31:40,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:31:40,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:40,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:31:40,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:31:40,347 INFO L87 Difference]: Start difference. First operand 722 states and 853 transitions. Second operand 3 states. [2020-11-30 01:31:41,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:41,576 INFO L93 Difference]: Finished difference Result 2007 states and 2364 transitions. [2020-11-30 01:31:41,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:31:41,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-11-30 01:31:41,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:41,588 INFO L225 Difference]: With dead ends: 2007 [2020-11-30 01:31:41,588 INFO L226 Difference]: Without dead ends: 1287 [2020-11-30 01:31:41,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:31:41,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2020-11-30 01:31:41,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1283. [2020-11-30 01:31:41,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1283 states. [2020-11-30 01:31:41,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1489 transitions. [2020-11-30 01:31:41,657 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1489 transitions. Word has length 132 [2020-11-30 01:31:41,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:41,659 INFO L481 AbstractCegarLoop]: Abstraction has 1283 states and 1489 transitions. [2020-11-30 01:31:41,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:31:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1489 transitions. [2020-11-30 01:31:41,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-30 01:31:41,664 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:41,665 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:41,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:31:41,891 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:41,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:41,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1898273489, now seen corresponding path program 1 times [2020-11-30 01:31:41,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:41,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736478426] [2020-11-30 01:31:41,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 01:31:42,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736478426] [2020-11-30 01:31:42,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699142843] [2020-11-30 01:31:42,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:31:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:42,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:31:42,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:31:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:31:42,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:31:42,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 01:31:42,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105088284] [2020-11-30 01:31:42,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:31:42,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:42,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:31:42,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:31:42,404 INFO L87 Difference]: Start difference. First operand 1283 states and 1489 transitions. Second operand 3 states. [2020-11-30 01:31:43,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:43,787 INFO L93 Difference]: Finished difference Result 2846 states and 3370 transitions. [2020-11-30 01:31:43,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:31:43,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-11-30 01:31:43,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:43,800 INFO L225 Difference]: With dead ends: 2846 [2020-11-30 01:31:43,801 INFO L226 Difference]: Without dead ends: 1705 [2020-11-30 01:31:43,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:31:43,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2020-11-30 01:31:43,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1284. [2020-11-30 01:31:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2020-11-30 01:31:43,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1526 transitions. [2020-11-30 01:31:43,855 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1526 transitions. Word has length 146 [2020-11-30 01:31:43,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:43,855 INFO L481 AbstractCegarLoop]: Abstraction has 1284 states and 1526 transitions. [2020-11-30 01:31:43,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:31:43,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1526 transitions. [2020-11-30 01:31:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-11-30 01:31:43,860 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:43,861 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:44,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:31:44,075 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:44,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:44,075 INFO L82 PathProgramCache]: Analyzing trace with hash 468934390, now seen corresponding path program 1 times [2020-11-30 01:31:44,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:44,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297142403] [2020-11-30 01:31:44,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:44,211 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 01:31:44,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297142403] [2020-11-30 01:31:44,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:31:44,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:31:44,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630517579] [2020-11-30 01:31:44,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:31:44,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:44,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:31:44,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:44,216 INFO L87 Difference]: Start difference. First operand 1284 states and 1526 transitions. Second operand 3 states. [2020-11-30 01:31:45,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:45,356 INFO L93 Difference]: Finished difference Result 2986 states and 3551 transitions. [2020-11-30 01:31:45,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:31:45,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-11-30 01:31:45,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:45,370 INFO L225 Difference]: With dead ends: 2986 [2020-11-30 01:31:45,370 INFO L226 Difference]: Without dead ends: 1562 [2020-11-30 01:31:45,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:45,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2020-11-30 01:31:45,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1562. [2020-11-30 01:31:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1562 states. [2020-11-30 01:31:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 1733 transitions. [2020-11-30 01:31:45,428 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 1733 transitions. Word has length 158 [2020-11-30 01:31:45,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:45,429 INFO L481 AbstractCegarLoop]: Abstraction has 1562 states and 1733 transitions. [2020-11-30 01:31:45,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:31:45,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1733 transitions. [2020-11-30 01:31:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-11-30 01:31:45,435 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:45,435 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:45,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:31:45,436 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:45,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:45,437 INFO L82 PathProgramCache]: Analyzing trace with hash -739491797, now seen corresponding path program 1 times [2020-11-30 01:31:45,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:45,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770770031] [2020-11-30 01:31:45,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:45,597 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:45,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770770031] [2020-11-30 01:31:45,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:31:45,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:31:45,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981194388] [2020-11-30 01:31:45,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:31:45,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:45,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:31:45,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:45,600 INFO L87 Difference]: Start difference. First operand 1562 states and 1733 transitions. Second operand 3 states. [2020-11-30 01:31:46,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:46,593 INFO L93 Difference]: Finished difference Result 3402 states and 3727 transitions. [2020-11-30 01:31:46,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:31:46,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2020-11-30 01:31:46,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:46,606 INFO L225 Difference]: With dead ends: 3402 [2020-11-30 01:31:46,606 INFO L226 Difference]: Without dead ends: 1700 [2020-11-30 01:31:46,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:46,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2020-11-30 01:31:46,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1697. [2020-11-30 01:31:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1697 states. [2020-11-30 01:31:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 1796 transitions. [2020-11-30 01:31:46,670 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 1796 transitions. Word has length 179 [2020-11-30 01:31:46,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:46,671 INFO L481 AbstractCegarLoop]: Abstraction has 1697 states and 1796 transitions. [2020-11-30 01:31:46,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:31:46,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 1796 transitions. [2020-11-30 01:31:46,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-30 01:31:46,677 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:46,677 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:46,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:31:46,678 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:46,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:46,679 INFO L82 PathProgramCache]: Analyzing trace with hash 2121193629, now seen corresponding path program 1 times [2020-11-30 01:31:46,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:46,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083640945] [2020-11-30 01:31:46,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:46,942 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 01:31:46,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083640945] [2020-11-30 01:31:46,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94257070] [2020-11-30 01:31:46,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/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 [2020-11-30 01:31:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:47,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:31:47,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:31:47,272 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-11-30 01:31:47,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:31:47,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-30 01:31:47,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520565922] [2020-11-30 01:31:47,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:31:47,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:47,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:31:47,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:31:47,277 INFO L87 Difference]: Start difference. First operand 1697 states and 1796 transitions. Second operand 3 states. [2020-11-30 01:31:48,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:48,321 INFO L93 Difference]: Finished difference Result 4524 states and 4797 transitions. [2020-11-30 01:31:48,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:31:48,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2020-11-30 01:31:48,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:48,343 INFO L225 Difference]: With dead ends: 4524 [2020-11-30 01:31:48,343 INFO L226 Difference]: Without dead ends: 2969 [2020-11-30 01:31:48,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:31:48,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2969 states. [2020-11-30 01:31:48,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2969 to 2829. [2020-11-30 01:31:48,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2829 states. [2020-11-30 01:31:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2829 states and 3002 transitions. [2020-11-30 01:31:48,434 INFO L78 Accepts]: Start accepts. Automaton has 2829 states and 3002 transitions. Word has length 190 [2020-11-30 01:31:48,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:48,435 INFO L481 AbstractCegarLoop]: Abstraction has 2829 states and 3002 transitions. [2020-11-30 01:31:48,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:31:48,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 3002 transitions. [2020-11-30 01:31:48,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-11-30 01:31:48,444 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:48,445 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:48,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:31:48,671 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:48,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:48,672 INFO L82 PathProgramCache]: Analyzing trace with hash 196926268, now seen corresponding path program 1 times [2020-11-30 01:31:48,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:48,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167704886] [2020-11-30 01:31:48,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:49,102 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:31:49,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167704886] [2020-11-30 01:31:49,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922878228] [2020-11-30 01:31:49,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/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 [2020-11-30 01:31:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:49,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:31:49,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:31:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:31:49,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:31:49,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 01:31:49,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121984494] [2020-11-30 01:31:49,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:31:49,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:49,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:31:49,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:31:49,400 INFO L87 Difference]: Start difference. First operand 2829 states and 3002 transitions. Second operand 3 states. [2020-11-30 01:31:50,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:50,341 INFO L93 Difference]: Finished difference Result 5372 states and 5712 transitions. [2020-11-30 01:31:50,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:31:50,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-11-30 01:31:50,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:50,360 INFO L225 Difference]: With dead ends: 5372 [2020-11-30 01:31:50,361 INFO L226 Difference]: Without dead ends: 2685 [2020-11-30 01:31:50,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:31:50,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2020-11-30 01:31:50,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 2683. [2020-11-30 01:31:50,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2683 states. [2020-11-30 01:31:50,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 2828 transitions. [2020-11-30 01:31:50,480 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 2828 transitions. Word has length 203 [2020-11-30 01:31:50,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:50,481 INFO L481 AbstractCegarLoop]: Abstraction has 2683 states and 2828 transitions. [2020-11-30 01:31:50,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:31:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 2828 transitions. [2020-11-30 01:31:50,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-11-30 01:31:50,497 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:31:50,498 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:31:50,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:31:50,714 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:31:50,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:31:50,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1294945328, now seen corresponding path program 1 times [2020-11-30 01:31:50,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:31:50,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694415974] [2020-11-30 01:31:50,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:31:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:31:50,905 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-11-30 01:31:50,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694415974] [2020-11-30 01:31:50,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:31:50,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:31:50,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278445195] [2020-11-30 01:31:50,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:31:50,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:31:50,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:31:50,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:50,909 INFO L87 Difference]: Start difference. First operand 2683 states and 2828 transitions. Second operand 3 states. [2020-11-30 01:31:51,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:31:51,889 INFO L93 Difference]: Finished difference Result 3523 states and 3697 transitions. [2020-11-30 01:31:51,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:31:51,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2020-11-30 01:31:51,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:31:51,904 INFO L225 Difference]: With dead ends: 3523 [2020-11-30 01:31:51,904 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:31:51,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:31:51,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:31:51,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:31:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:31:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:31:51,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2020-11-30 01:31:51,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:31:51,912 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:31:51,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:31:51,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:31:51,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:31:51,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:31:51,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:31:52,441 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-11-30 01:31:52,975 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-11-30 01:31:52,980 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,980 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,981 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,981 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-30 01:31:52,981 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-30 01:31:52,981 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-30 01:31:52,982 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-30 01:31:52,982 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-30 01:31:52,982 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-30 01:31:52,982 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-30 01:31:52,982 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-30 01:31:52,982 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,983 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,983 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,983 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-30 01:31:52,983 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-30 01:31:52,983 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-30 01:31:52,984 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-30 01:31:52,984 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-30 01:31:52,984 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,984 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,984 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,985 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-30 01:31:52,985 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-30 01:31:52,985 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-30 01:31:52,985 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-30 01:31:52,985 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-30 01:31:52,986 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-30 01:31:52,986 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-30 01:31:52,986 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-30 01:31:52,986 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-30 01:31:52,986 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-30 01:31:52,987 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,987 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,987 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,987 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-30 01:31:52,987 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-30 01:31:52,988 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-30 01:31:52,988 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-30 01:31:52,988 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-30 01:31:52,988 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-30 01:31:52,988 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-30 01:31:52,989 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,989 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,989 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,989 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-30 01:31:52,989 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-30 01:31:52,990 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-30 01:31:52,990 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-30 01:31:52,990 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-30 01:31:52,990 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-30 01:31:52,990 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-30 01:31:52,991 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,991 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,991 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,991 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-30 01:31:52,991 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-30 01:31:52,992 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-30 01:31:52,992 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-30 01:31:52,992 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-30 01:31:52,992 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,992 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,993 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,993 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-30 01:31:52,993 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-30 01:31:52,993 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-30 01:31:52,993 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-30 01:31:52,994 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-30 01:31:52,994 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-30 01:31:52,994 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-30 01:31:52,994 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-30 01:31:52,994 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,995 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,995 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,995 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-30 01:31:52,995 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:31:52,995 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-30 01:31:52,995 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-30 01:31:52,996 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-30 01:31:52,996 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-30 01:31:52,996 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-30 01:31:52,996 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-30 01:31:52,996 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-30 01:31:52,997 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,997 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,997 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,997 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-30 01:31:52,997 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-30 01:31:52,998 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-30 01:31:52,998 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-30 01:31:52,998 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-30 01:31:52,998 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-30 01:31:52,998 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-30 01:31:52,998 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-30 01:31:52,999 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-30 01:31:52,999 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,999 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,999 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:52,999 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-30 01:31:53,000 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-30 01:31:53,000 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-30 01:31:53,000 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-30 01:31:53,000 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-30 01:31:53,000 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-30 01:31:53,001 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:31:53,001 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:31:53,001 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,001 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,001 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,002 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-30 01:31:53,002 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-30 01:31:53,002 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-30 01:31:53,002 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-30 01:31:53,002 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-30 01:31:53,003 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-30 01:31:53,003 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-30 01:31:53,003 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-30 01:31:53,003 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,003 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,004 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,004 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-30 01:31:53,004 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-30 01:31:53,004 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-30 01:31:53,004 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-30 01:31:53,004 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-30 01:31:53,005 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,005 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,005 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,005 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-30 01:31:53,005 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-30 01:31:53,006 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-30 01:31:53,006 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-30 01:31:53,006 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-30 01:31:53,006 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-30 01:31:53,006 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-30 01:31:53,007 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-30 01:31:53,007 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-30 01:31:53,007 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-30 01:31:53,007 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-30 01:31:53,007 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,008 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,008 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-30 01:31:53,008 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-30 01:31:53,008 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-30 01:31:53,008 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-30 01:31:53,008 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-30 01:31:53,009 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-30 01:31:53,009 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-30 01:31:53,009 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-30 01:31:53,009 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-30 01:31:53,009 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 01:31:53,010 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse9 (<= ~a25~0 0)) (.cse7 (<= ~a28~0 7)) (.cse2 (= ~a19~0 1)) (.cse1 (<= 9 ~a28~0)) (.cse8 (<= ~a28~0 9)) (.cse5 (= ~a11~0 1)) (.cse0 (<= ~a11~0 0)) (.cse10 (<= 10 ~a28~0)) (.cse6 (= ~a25~0 1)) (.cse3 (<= ~a17~0 8)) (.cse4 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse6 .cse7 .cse3) (and .cse0 .cse2 .cse6 .cse3) (and .cse0 .cse8 .cse3 .cse9) (and .cse5 .cse7 .cse3) (and .cse10 .cse5 .cse3 .cse9 .cse4) (and .cse10 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse3) (and .cse2 .cse10 .cse6 .cse3) (and .cse1 .cse6 .cse8 .cse5 .cse3) (and .cse0 .cse10 .cse6 .cse3 .cse4))) [2020-11-30 01:31:53,011 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,011 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,011 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-30 01:31:53,011 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-30 01:31:53,011 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-30 01:31:53,011 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-30 01:31:53,012 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-30 01:31:53,012 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-30 01:31:53,012 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-30 01:31:53,012 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,012 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,013 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-30 01:31:53,013 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-30 01:31:53,013 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-30 01:31:53,013 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-30 01:31:53,013 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-30 01:31:53,014 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-30 01:31:53,014 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-30 01:31:53,014 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-30 01:31:53,014 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-30 01:31:53,014 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,015 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,015 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-30 01:31:53,015 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-30 01:31:53,015 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-30 01:31:53,015 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-30 01:31:53,015 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:31:53,016 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-30 01:31:53,016 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-30 01:31:53,016 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse9 (<= ~a25~0 0)) (.cse7 (<= ~a28~0 7)) (.cse2 (= ~a19~0 1)) (.cse1 (<= 9 ~a28~0)) (.cse8 (<= ~a28~0 9)) (.cse5 (= ~a11~0 1)) (.cse0 (<= ~a11~0 0)) (.cse10 (<= 10 ~a28~0)) (.cse6 (= ~a25~0 1)) (.cse3 (<= ~a17~0 8)) (.cse4 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse6 .cse7 .cse3) (and .cse0 .cse2 .cse6 .cse3) (and .cse0 .cse8 .cse3 .cse9) (and .cse5 .cse7 .cse3) (and .cse10 .cse5 .cse3 .cse9 .cse4) (and .cse10 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse3) (and .cse2 .cse10 .cse6 .cse3) (and .cse1 .cse6 .cse8 .cse5 .cse3) (and .cse0 .cse10 .cse6 .cse3 .cse4))) [2020-11-30 01:31:53,017 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,017 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,017 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-30 01:31:53,017 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-30 01:31:53,017 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-30 01:31:53,018 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-30 01:31:53,018 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-30 01:31:53,018 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,018 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,018 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-30 01:31:53,019 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-30 01:31:53,019 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-30 01:31:53,019 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-30 01:31:53,019 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-30 01:31:53,019 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-30 01:31:53,019 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-30 01:31:53,020 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-30 01:31:53,020 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-30 01:31:53,020 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,020 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,020 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-30 01:31:53,021 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,021 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:31:53,021 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-30 01:31:53,021 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-30 01:31:53,021 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-30 01:31:53,022 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-30 01:31:53,022 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-30 01:31:53,022 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-30 01:31:53,022 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,022 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,022 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,023 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-30 01:31:53,023 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-30 01:31:53,023 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-30 01:31:53,023 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-30 01:31:53,023 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-30 01:31:53,024 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,024 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,024 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 01:31:53,024 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-30 01:31:53,024 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-30 01:31:53,025 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-30 01:31:53,025 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-30 01:31:53,025 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-30 01:31:53,025 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-30 01:31:53,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:31:53 BoogieIcfgContainer [2020-11-30 01:31:53,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:31:53,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:31:53,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:31:53,064 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:31:53,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:31:32" (3/4) ... [2020-11-30 01:31:53,069 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:31:53,102 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:31:53,104 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:31:53,105 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:31:53,107 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:31:53,332 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dd13943c-9c17-413b-bd33-11e7cf860871/bin/uautomizer/witness.graphml [2020-11-30 01:31:53,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:31:53,334 INFO L168 Benchmark]: Toolchain (without parser) took 24295.26 ms. Allocated memory was 94.4 MB in the beginning and 318.8 MB in the end (delta: 224.4 MB). Free memory was 64.1 MB in the beginning and 126.8 MB in the end (delta: -62.8 MB). Peak memory consumption was 162.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:53,334 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 94.4 MB. Free memory was 54.1 MB in the beginning and 54.0 MB in the end (delta: 42.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:31:53,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 932.65 ms. Allocated memory is still 94.4 MB. Free memory was 63.9 MB in the beginning and 56.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:53,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.13 ms. Allocated memory is still 94.4 MB. Free memory was 56.3 MB in the beginning and 51.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:53,336 INFO L168 Benchmark]: Boogie Preprocessor took 111.50 ms. Allocated memory is still 94.4 MB. Free memory was 51.0 MB in the beginning and 46.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:53,336 INFO L168 Benchmark]: RCFGBuilder took 2527.57 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 46.5 MB in the beginning and 38.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:53,337 INFO L168 Benchmark]: TraceAbstraction took 20284.59 ms. Allocated memory was 113.2 MB in the beginning and 318.8 MB in the end (delta: 205.5 MB). Free memory was 85.6 MB in the beginning and 141.5 MB in the end (delta: -55.9 MB). Peak memory consumption was 149.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:53,337 INFO L168 Benchmark]: Witness Printer took 268.97 ms. Allocated memory is still 318.8 MB. Free memory was 141.5 MB in the beginning and 126.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:31:53,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 94.4 MB. Free memory was 54.1 MB in the beginning and 54.0 MB in the end (delta: 42.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 932.65 ms. Allocated memory is still 94.4 MB. Free memory was 63.9 MB in the beginning and 56.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 125.13 ms. Allocated memory is still 94.4 MB. Free memory was 56.3 MB in the beginning and 51.0 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 111.50 ms. Allocated memory is still 94.4 MB. Free memory was 51.0 MB in the beginning and 46.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2527.57 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 46.5 MB in the beginning and 38.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20284.59 ms. Allocated memory was 113.2 MB in the beginning and 318.8 MB in the end (delta: 205.5 MB). Free memory was 85.6 MB in the beginning and 141.5 MB in the end (delta: -55.9 MB). Peak memory consumption was 149.5 MB. Max. memory is 16.1 GB. * Witness Printer took 268.97 ms. Allocated memory is still 318.8 MB. Free memory was 141.5 MB in the beginning and 126.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((((((((a11 <= 0 && 9 <= a28) && a19 == 1) && a17 <= 8) && a28 <= 10) || ((((9 <= a28 && a19 == 1) && a11 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || (((a11 <= 0 && a19 == 1) && a25 == 1) && a17 <= 8)) || (((a11 <= 0 && a28 <= 9) && a17 <= 8) && a25 <= 0)) || ((a11 == 1 && a28 <= 7) && a17 <= 8)) || ((((10 <= a28 && a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || (((10 <= a28 && a19 == 1) && a17 <= 8) && a28 <= 10)) || ((a11 <= 0 && a28 <= 7) && a17 <= 8)) || (((a19 == 1 && 10 <= a28) && a25 == 1) && a17 <= 8)) || ((((9 <= a28 && a25 == 1) && a28 <= 9) && a11 == 1) && a17 <= 8)) || ((((a11 <= 0 && 10 <= a28) && a25 == 1) && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((((((a11 <= 0 && 9 <= a28) && a19 == 1) && a17 <= 8) && a28 <= 10) || ((((9 <= a28 && a19 == 1) && a11 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || (((a11 <= 0 && a19 == 1) && a25 == 1) && a17 <= 8)) || (((a11 <= 0 && a28 <= 9) && a17 <= 8) && a25 <= 0)) || ((a11 == 1 && a28 <= 7) && a17 <= 8)) || ((((10 <= a28 && a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || (((10 <= a28 && a19 == 1) && a17 <= 8) && a28 <= 10)) || ((a11 <= 0 && a28 <= 7) && a17 <= 8)) || (((a19 == 1 && 10 <= a28) && a25 == 1) && a17 <= 8)) || ((((9 <= a28 && a25 == 1) && a28 <= 9) && a11 == 1) && a17 <= 8)) || ((((a11 <= 0 && 10 <= a28) && a25 == 1) && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.0s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1149 SDtfs, 1252 SDslu, 138 SDs, 0 SdLazy, 3583 SolverSat, 570 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 699 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2829occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 572 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 333 HoareAnnotationTreeSize, 3 FomulaSimplifications, 426 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 178 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2436 NumberOfCodeBlocks, 2436 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2421 ConstructedInterpolants, 0 QuantifiedInterpolants, 1382784 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1253 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 1133/1293 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...