./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label40.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_44448868-48e4-45bb-9f9c-c7094c99b402/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/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 3a21c5eb9fc4f935ebf465a8f7311e942072e793 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:33:01,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:33:01,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:33:01,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:33:01,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:33:01,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:33:01,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:33:01,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:33:01,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:33:01,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:33:01,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:33:01,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:33:01,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:33:01,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:33:01,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:33:01,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:33:01,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:33:01,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:33:01,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:33:01,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:33:01,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:33:01,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:33:01,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:33:01,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:33:01,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:33:01,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:33:01,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:33:01,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:33:01,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:33:01,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:33:01,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:33:01,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:33:01,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:33:01,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:33:01,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:33:01,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:33:01,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:33:01,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:33:01,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:33:01,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:33:01,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:33:01,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:33:01,497 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:33:01,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:33:01,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:33:01,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:33:01,500 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:33:01,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:33:01,500 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:33:01,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:33:01,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:33:01,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:33:01,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:33:01,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:33:01,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:33:01,502 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:33:01,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:33:01,502 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:33:01,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:33:01,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:33:01,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:33:01,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:33:01,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:33:01,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:33:01,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:33:01,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:33:01,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:33:01,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:33:01,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:33:01,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:33:01,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:33:01,506 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_44448868-48e4-45bb-9f9c-c7094c99b402/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a21c5eb9fc4f935ebf465a8f7311e942072e793 [2020-11-30 00:33:01,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:33:01,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:33:01,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:33:01,783 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:33:01,785 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:33:01,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2020-11-30 00:33:01,900 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/bin/uautomizer/data/b465130a9/d085d11197b4425e9a171675c0f9bb25/FLAG17fa6cbe8 [2020-11-30 00:33:02,490 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:33:02,493 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2020-11-30 00:33:02,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/bin/uautomizer/data/b465130a9/d085d11197b4425e9a171675c0f9bb25/FLAG17fa6cbe8 [2020-11-30 00:33:02,729 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/bin/uautomizer/data/b465130a9/d085d11197b4425e9a171675c0f9bb25 [2020-11-30 00:33:02,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:33:02,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:33:02,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:33:02,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:33:02,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:33:02,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:33:02" (1/1) ... [2020-11-30 00:33:02,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18da6afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:02, skipping insertion in model container [2020-11-30 00:33:02,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:33:02" (1/1) ... [2020-11-30 00:33:02,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:33:02,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:33:03,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:33:03,222 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:33:03,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:33:03,464 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:33:03,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:03 WrapperNode [2020-11-30 00:33:03,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:33:03,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:33:03,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:33:03,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:33:03,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:03" (1/1) ... [2020-11-30 00:33:03,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:03" (1/1) ... [2020-11-30 00:33:03,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:33:03,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:33:03,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:33:03,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:33:03,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:03" (1/1) ... [2020-11-30 00:33:03,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:03" (1/1) ... [2020-11-30 00:33:03,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:03" (1/1) ... [2020-11-30 00:33:03,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:03" (1/1) ... [2020-11-30 00:33:03,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:03" (1/1) ... [2020-11-30 00:33:03,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:03" (1/1) ... [2020-11-30 00:33:03,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:03" (1/1) ... [2020-11-30 00:33:03,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:33:03,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:33:03,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:33:03,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:33:03,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/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 00:33:03,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:33:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:33:03,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:33:03,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:33:05,143 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:33:05,144 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:33:05,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:33:05 BoogieIcfgContainer [2020-11-30 00:33:05,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:33:05,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:33:05,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:33:05,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:33:05,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:33:02" (1/3) ... [2020-11-30 00:33:05,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8463b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:33:05, skipping insertion in model container [2020-11-30 00:33:05,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:33:03" (2/3) ... [2020-11-30 00:33:05,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8463b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:33:05, skipping insertion in model container [2020-11-30 00:33:05,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:33:05" (3/3) ... [2020-11-30 00:33:05,160 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2020-11-30 00:33:05,171 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:33:05,176 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:33:05,188 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:33:05,230 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:33:05,230 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:33:05,230 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:33:05,230 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:33:05,230 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:33:05,231 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:33:05,231 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:33:05,231 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:33:05,255 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-30 00:33:05,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-30 00:33:05,269 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:05,270 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] [2020-11-30 00:33:05,271 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:05,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:05,278 INFO L82 PathProgramCache]: Analyzing trace with hash 427661899, now seen corresponding path program 1 times [2020-11-30 00:33:05,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:05,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8789106] [2020-11-30 00:33:05,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:05,783 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 00:33:05,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8789106] [2020-11-30 00:33:05,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:33:05,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:33:05,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120724696] [2020-11-30 00:33:05,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:33:05,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:05,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:33:05,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:33:05,816 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-30 00:33:06,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:06,810 INFO L93 Difference]: Finished difference Result 631 states and 1071 transitions. [2020-11-30 00:33:06,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:33:06,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-11-30 00:33:06,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:06,838 INFO L225 Difference]: With dead ends: 631 [2020-11-30 00:33:06,844 INFO L226 Difference]: Without dead ends: 318 [2020-11-30 00:33:06,849 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 00:33:06,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-11-30 00:33:06,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2020-11-30 00:33:06,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-11-30 00:33:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2020-11-30 00:33:06,948 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 89 [2020-11-30 00:33:06,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:06,949 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2020-11-30 00:33:06,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:33:06,950 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2020-11-30 00:33:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-11-30 00:33:06,960 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:06,961 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 00:33:06,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:33:06,961 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:06,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:06,964 INFO L82 PathProgramCache]: Analyzing trace with hash 589784830, now seen corresponding path program 1 times [2020-11-30 00:33:06,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:06,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686051102] [2020-11-30 00:33:06,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:07,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:07,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686051102] [2020-11-30 00:33:07,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:33:07,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:33:07,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354729793] [2020-11-30 00:33:07,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:33:07,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:07,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:33:07,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:33:07,115 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand 3 states. [2020-11-30 00:33:07,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:07,936 INFO L93 Difference]: Finished difference Result 919 states and 1357 transitions. [2020-11-30 00:33:07,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:33:07,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-11-30 00:33:07,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:07,941 INFO L225 Difference]: With dead ends: 919 [2020-11-30 00:33:07,941 INFO L226 Difference]: Without dead ends: 603 [2020-11-30 00:33:07,944 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 00:33:07,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2020-11-30 00:33:07,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2020-11-30 00:33:07,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-11-30 00:33:07,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 775 transitions. [2020-11-30 00:33:07,991 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 775 transitions. Word has length 93 [2020-11-30 00:33:07,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:07,993 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 775 transitions. [2020-11-30 00:33:07,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:33:07,994 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 775 transitions. [2020-11-30 00:33:07,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-30 00:33:07,999 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:07,999 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:33:08,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:33:08,001 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:08,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:08,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1692929681, now seen corresponding path program 1 times [2020-11-30 00:33:08,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:08,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827722588] [2020-11-30 00:33:08,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:08,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827722588] [2020-11-30 00:33:08,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842674292] [2020-11-30 00:33:08,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/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 00:33:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:08,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:33:08,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:33:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:33:08,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:33:08,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 00:33:08,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118026549] [2020-11-30 00:33:08,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:33:08,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:08,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:33:08,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:33:08,493 INFO L87 Difference]: Start difference. First operand 601 states and 775 transitions. Second operand 3 states. [2020-11-30 00:33:09,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:09,384 INFO L93 Difference]: Finished difference Result 1486 states and 1971 transitions. [2020-11-30 00:33:09,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:33:09,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-30 00:33:09,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:09,391 INFO L225 Difference]: With dead ends: 1486 [2020-11-30 00:33:09,391 INFO L226 Difference]: Without dead ends: 887 [2020-11-30 00:33:09,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:33:09,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-11-30 00:33:09,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 885. [2020-11-30 00:33:09,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-11-30 00:33:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1154 transitions. [2020-11-30 00:33:09,424 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1154 transitions. Word has length 98 [2020-11-30 00:33:09,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:09,433 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1154 transitions. [2020-11-30 00:33:09,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:33:09,433 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1154 transitions. [2020-11-30 00:33:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-30 00:33:09,436 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:09,436 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-30 00:33:09,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-30 00:33:09,637 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:09,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:09,637 INFO L82 PathProgramCache]: Analyzing trace with hash -543895027, now seen corresponding path program 1 times [2020-11-30 00:33:09,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:09,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535021090] [2020-11-30 00:33:09,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:09,690 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:09,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535021090] [2020-11-30 00:33:09,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:33:09,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:33:09,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365818683] [2020-11-30 00:33:09,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:33:09,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:09,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:33:09,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:33:09,694 INFO L87 Difference]: Start difference. First operand 885 states and 1154 transitions. Second operand 3 states. [2020-11-30 00:33:10,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:10,455 INFO L93 Difference]: Finished difference Result 2469 states and 3248 transitions. [2020-11-30 00:33:10,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:33:10,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-11-30 00:33:10,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:10,466 INFO L225 Difference]: With dead ends: 2469 [2020-11-30 00:33:10,467 INFO L226 Difference]: Without dead ends: 1586 [2020-11-30 00:33:10,471 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 00:33:10,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-11-30 00:33:10,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1586. [2020-11-30 00:33:10,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1586 states. [2020-11-30 00:33:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 1995 transitions. [2020-11-30 00:33:10,523 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 1995 transitions. Word has length 99 [2020-11-30 00:33:10,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:10,524 INFO L481 AbstractCegarLoop]: Abstraction has 1586 states and 1995 transitions. [2020-11-30 00:33:10,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:33:10,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1995 transitions. [2020-11-30 00:33:10,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-11-30 00:33:10,527 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:10,527 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-11-30 00:33:10,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:33:10,528 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:10,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:10,530 INFO L82 PathProgramCache]: Analyzing trace with hash -79631286, now seen corresponding path program 1 times [2020-11-30 00:33:10,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:10,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831245109] [2020-11-30 00:33:10,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:10,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831245109] [2020-11-30 00:33:10,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:33:10,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:33:10,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702962596] [2020-11-30 00:33:10,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:33:10,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:10,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:33:10,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:33:10,626 INFO L87 Difference]: Start difference. First operand 1586 states and 1995 transitions. Second operand 3 states. [2020-11-30 00:33:11,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:11,403 INFO L93 Difference]: Finished difference Result 3592 states and 4512 transitions. [2020-11-30 00:33:11,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:33:11,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-11-30 00:33:11,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:11,415 INFO L225 Difference]: With dead ends: 3592 [2020-11-30 00:33:11,415 INFO L226 Difference]: Without dead ends: 2008 [2020-11-30 00:33:11,418 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 00:33:11,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2020-11-30 00:33:11,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 2006. [2020-11-30 00:33:11,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2006 states. [2020-11-30 00:33:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 2006 states and 2435 transitions. [2020-11-30 00:33:11,473 INFO L78 Accepts]: Start accepts. Automaton has 2006 states and 2435 transitions. Word has length 118 [2020-11-30 00:33:11,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:11,475 INFO L481 AbstractCegarLoop]: Abstraction has 2006 states and 2435 transitions. [2020-11-30 00:33:11,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:33:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2435 transitions. [2020-11-30 00:33:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-30 00:33:11,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:11,479 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:33:11,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:33:11,479 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:11,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:11,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1543277164, now seen corresponding path program 1 times [2020-11-30 00:33:11,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:11,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387138804] [2020-11-30 00:33:11,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:11,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387138804] [2020-11-30 00:33:11,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:33:11,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:33:11,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91362045] [2020-11-30 00:33:11,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:33:11,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:11,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:33:11,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:33:11,589 INFO L87 Difference]: Start difference. First operand 2006 states and 2435 transitions. Second operand 3 states. [2020-11-30 00:33:12,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:12,298 INFO L93 Difference]: Finished difference Result 5423 states and 6637 transitions. [2020-11-30 00:33:12,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:33:12,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-11-30 00:33:12,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:12,317 INFO L225 Difference]: With dead ends: 5423 [2020-11-30 00:33:12,317 INFO L226 Difference]: Without dead ends: 3419 [2020-11-30 00:33:12,320 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 00:33:12,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states. [2020-11-30 00:33:12,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 3410. [2020-11-30 00:33:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3410 states. [2020-11-30 00:33:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 4069 transitions. [2020-11-30 00:33:12,395 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 4069 transitions. Word has length 122 [2020-11-30 00:33:12,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:12,396 INFO L481 AbstractCegarLoop]: Abstraction has 3410 states and 4069 transitions. [2020-11-30 00:33:12,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:33:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 4069 transitions. [2020-11-30 00:33:12,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 00:33:12,406 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:12,406 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:33:12,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:33:12,415 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:12,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:12,417 INFO L82 PathProgramCache]: Analyzing trace with hash 728614456, now seen corresponding path program 1 times [2020-11-30 00:33:12,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:12,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276140818] [2020-11-30 00:33:12,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:33:12,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276140818] [2020-11-30 00:33:12,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:33:12,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:33:12,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410071133] [2020-11-30 00:33:12,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:33:12,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:12,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:33:12,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:33:12,522 INFO L87 Difference]: Start difference. First operand 3410 states and 4069 transitions. Second operand 3 states. [2020-11-30 00:33:13,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:13,297 INFO L93 Difference]: Finished difference Result 7655 states and 9117 transitions. [2020-11-30 00:33:13,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:33:13,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-11-30 00:33:13,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:13,314 INFO L225 Difference]: With dead ends: 7655 [2020-11-30 00:33:13,314 INFO L226 Difference]: Without dead ends: 2979 [2020-11-30 00:33:13,320 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 00:33:13,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2020-11-30 00:33:13,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2979. [2020-11-30 00:33:13,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2979 states. [2020-11-30 00:33:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2979 states and 3467 transitions. [2020-11-30 00:33:13,383 INFO L78 Accepts]: Start accepts. Automaton has 2979 states and 3467 transitions. Word has length 129 [2020-11-30 00:33:13,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:13,384 INFO L481 AbstractCegarLoop]: Abstraction has 2979 states and 3467 transitions. [2020-11-30 00:33:13,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:33:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 3467 transitions. [2020-11-30 00:33:13,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-11-30 00:33:13,389 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:13,389 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 00:33:13,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:33:13,389 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:13,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:13,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1190708755, now seen corresponding path program 1 times [2020-11-30 00:33:13,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:13,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162948138] [2020-11-30 00:33:13,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:13,464 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-11-30 00:33:13,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162948138] [2020-11-30 00:33:13,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488767295] [2020-11-30 00:33:13,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/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 00:33:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:13,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:33:13,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:33:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-11-30 00:33:13,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:33:13,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-30 00:33:13,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556619665] [2020-11-30 00:33:13,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:33:13,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:13,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:33:13,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:33:13,652 INFO L87 Difference]: Start difference. First operand 2979 states and 3467 transitions. Second operand 3 states. [2020-11-30 00:33:13,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:13,960 INFO L93 Difference]: Finished difference Result 5524 states and 6429 transitions. [2020-11-30 00:33:13,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:33:13,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-11-30 00:33:13,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:13,974 INFO L225 Difference]: With dead ends: 5524 [2020-11-30 00:33:13,974 INFO L226 Difference]: Without dead ends: 2405 [2020-11-30 00:33:13,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:33:13,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2405 states. [2020-11-30 00:33:14,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2405 to 2405. [2020-11-30 00:33:14,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2405 states. [2020-11-30 00:33:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 2761 transitions. [2020-11-30 00:33:14,029 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 2761 transitions. Word has length 136 [2020-11-30 00:33:14,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:14,030 INFO L481 AbstractCegarLoop]: Abstraction has 2405 states and 2761 transitions. [2020-11-30 00:33:14,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:33:14,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2761 transitions. [2020-11-30 00:33:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-30 00:33:14,035 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:33:14,035 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:33:14,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:33:14,248 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:33:14,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:33:14,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1479026732, now seen corresponding path program 1 times [2020-11-30 00:33:14,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:33:14,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631397919] [2020-11-30 00:33:14,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:33:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-11-30 00:33:14,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631397919] [2020-11-30 00:33:14,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161563825] [2020-11-30 00:33:14,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/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 00:33:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:14,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:33:14,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:33:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-30 00:33:14,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:33:14,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 00:33:14,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671723291] [2020-11-30 00:33:14,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:33:14,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:33:14,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:33:14,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:33:14,540 INFO L87 Difference]: Start difference. First operand 2405 states and 2761 transitions. Second operand 3 states. [2020-11-30 00:33:15,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:33:15,137 INFO L93 Difference]: Finished difference Result 4664 states and 5372 transitions. [2020-11-30 00:33:15,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:33:15,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-11-30 00:33:15,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:33:15,138 INFO L225 Difference]: With dead ends: 4664 [2020-11-30 00:33:15,138 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:33:15,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:33:15,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:33:15,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:33:15,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:33:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:33:15,143 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2020-11-30 00:33:15,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:33:15,143 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:33:15,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:33:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:33:15,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:33:15,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:33:15,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:33:15,506 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-11-30 00:33:15,633 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-11-30 00:33:15,639 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,639 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,639 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,639 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-30 00:33:15,639 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-30 00:33:15,639 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-30 00:33:15,639 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-30 00:33:15,639 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-30 00:33:15,639 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-30 00:33:15,639 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-30 00:33:15,640 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-30 00:33:15,640 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,640 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,640 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,643 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-30 00:33:15,643 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-30 00:33:15,643 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-30 00:33:15,643 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-30 00:33:15,643 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-30 00:33:15,644 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,644 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,644 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,644 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-30 00:33:15,644 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-30 00:33:15,644 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-30 00:33:15,644 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-30 00:33:15,645 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-30 00:33:15,645 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-30 00:33:15,645 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-30 00:33:15,645 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-30 00:33:15,645 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-30 00:33:15,645 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-30 00:33:15,645 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,645 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,646 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,646 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-30 00:33:15,646 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-30 00:33:15,646 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-30 00:33:15,646 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-30 00:33:15,646 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-30 00:33:15,646 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-30 00:33:15,647 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-30 00:33:15,647 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,647 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,647 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,647 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-30 00:33:15,647 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-30 00:33:15,647 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-30 00:33:15,647 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-30 00:33:15,648 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-30 00:33:15,648 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-30 00:33:15,648 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-30 00:33:15,648 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,649 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,649 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,649 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-30 00:33:15,649 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-30 00:33:15,649 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-30 00:33:15,649 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-30 00:33:15,649 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-30 00:33:15,649 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,650 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,650 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,650 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-30 00:33:15,650 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-30 00:33:15,650 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-30 00:33:15,650 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-30 00:33:15,651 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-30 00:33:15,651 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-30 00:33:15,651 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-30 00:33:15,651 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-30 00:33:15,651 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,651 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,651 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,654 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-30 00:33:15,654 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:33:15,654 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-30 00:33:15,654 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-30 00:33:15,654 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-30 00:33:15,654 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-30 00:33:15,654 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-30 00:33:15,655 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-30 00:33:15,655 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-30 00:33:15,655 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,655 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,655 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,655 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-30 00:33:15,655 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-30 00:33:15,655 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-30 00:33:15,656 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-30 00:33:15,656 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-30 00:33:15,656 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-30 00:33:15,656 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-30 00:33:15,656 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-30 00:33:15,657 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-30 00:33:15,657 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,658 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,658 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,658 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-30 00:33:15,658 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-30 00:33:15,658 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-30 00:33:15,658 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-30 00:33:15,658 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-30 00:33:15,659 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-30 00:33:15,659 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:33:15,659 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:33:15,659 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,659 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,659 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,659 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-30 00:33:15,659 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-30 00:33:15,660 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-30 00:33:15,660 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-30 00:33:15,660 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-30 00:33:15,660 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-30 00:33:15,660 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-30 00:33:15,660 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-30 00:33:15,660 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,660 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,661 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,661 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-30 00:33:15,662 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-30 00:33:15,662 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-30 00:33:15,662 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-30 00:33:15,662 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-30 00:33:15,663 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,663 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,663 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,663 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-30 00:33:15,663 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-30 00:33:15,663 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-30 00:33:15,664 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-30 00:33:15,664 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-30 00:33:15,664 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-30 00:33:15,664 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-30 00:33:15,664 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-30 00:33:15,664 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-30 00:33:15,664 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-30 00:33:15,664 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-30 00:33:15,665 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,665 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,665 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-30 00:33:15,665 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-30 00:33:15,665 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-30 00:33:15,665 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-30 00:33:15,665 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-30 00:33:15,665 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-30 00:33:15,666 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-30 00:33:15,666 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-30 00:33:15,666 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-30 00:33:15,666 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:33:15,667 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse3 (= ~a19~0 1)) (.cse0 (<= ~a17~0 8)) (.cse2 (<= 9 ~a28~0)) (.cse4 (<= ~a17~0 7)) (.cse1 (<= ~a28~0 10))) (or (and (<= ~a19~0 0) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse1) (and .cse3 .cse4) (and .cse3 (= ~a25~0 1) .cse0) (and (= ~a25~0 ~a11~0) .cse3 (= ~a11~0 0) (<= ~a28~0 7) .cse0) (and .cse2 .cse4 .cse1))) [2020-11-30 00:33:15,667 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,667 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,667 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-30 00:33:15,667 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-30 00:33:15,668 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-30 00:33:15,668 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-30 00:33:15,668 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-30 00:33:15,668 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-30 00:33:15,668 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-30 00:33:15,668 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,668 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,669 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-30 00:33:15,669 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-30 00:33:15,669 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-30 00:33:15,669 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-30 00:33:15,669 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-30 00:33:15,669 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-30 00:33:15,670 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-30 00:33:15,670 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-30 00:33:15,670 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-30 00:33:15,670 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,670 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,670 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-30 00:33:15,670 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-30 00:33:15,671 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-30 00:33:15,671 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-30 00:33:15,671 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:33:15,671 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-30 00:33:15,671 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-30 00:33:15,673 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse3 (= ~a19~0 1)) (.cse0 (<= ~a17~0 8)) (.cse2 (<= 9 ~a28~0)) (.cse4 (<= ~a17~0 7)) (.cse1 (<= ~a28~0 10))) (or (and (<= ~a19~0 0) .cse0 .cse1) (and .cse2 .cse3 .cse0 .cse1) (and .cse3 .cse4) (and .cse3 (= ~a25~0 1) .cse0) (and (= ~a25~0 ~a11~0) .cse3 (= ~a11~0 0) (<= ~a28~0 7) .cse0) (and .cse2 .cse4 .cse1))) [2020-11-30 00:33:15,673 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,673 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,673 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-30 00:33:15,674 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-30 00:33:15,674 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-30 00:33:15,674 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-30 00:33:15,674 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-30 00:33:15,674 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,674 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,674 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-30 00:33:15,675 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-30 00:33:15,675 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-30 00:33:15,675 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-30 00:33:15,675 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-30 00:33:15,675 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-30 00:33:15,675 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-30 00:33:15,675 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-30 00:33:15,676 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-30 00:33:15,676 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,676 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,676 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-30 00:33:15,676 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,676 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:33:15,676 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-30 00:33:15,677 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-30 00:33:15,677 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-30 00:33:15,677 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-30 00:33:15,677 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-30 00:33:15,677 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-30 00:33:15,677 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,677 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,678 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,678 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-30 00:33:15,678 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-30 00:33:15,678 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-30 00:33:15,678 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-30 00:33:15,678 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-30 00:33:15,678 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,679 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,679 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:33:15,679 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-30 00:33:15,679 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-30 00:33:15,679 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-30 00:33:15,679 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-30 00:33:15,679 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-30 00:33:15,680 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-30 00:33:15,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:33:15 BoogieIcfgContainer [2020-11-30 00:33:15,710 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:33:15,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:33:15,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:33:15,711 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:33:15,711 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:33:05" (3/4) ... [2020-11-30 00:33:15,714 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:33:15,734 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:33:15,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:33:15,737 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:33:15,739 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:33:15,909 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_44448868-48e4-45bb-9f9c-c7094c99b402/bin/uautomizer/witness.graphml [2020-11-30 00:33:15,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:33:15,911 INFO L168 Benchmark]: Toolchain (without parser) took 13177.64 ms. Allocated memory was 92.3 MB in the beginning and 224.4 MB in the end (delta: 132.1 MB). Free memory was 57.7 MB in the beginning and 112.7 MB in the end (delta: -55.0 MB). Peak memory consumption was 76.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:15,911 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory was 29.4 MB in the beginning and 29.4 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:33:15,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.13 ms. Allocated memory is still 92.3 MB. Free memory was 57.5 MB in the beginning and 53.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:15,912 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.29 ms. Allocated memory is still 92.3 MB. Free memory was 53.4 MB in the beginning and 48.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:15,913 INFO L168 Benchmark]: Boogie Preprocessor took 57.44 ms. Allocated memory is still 92.3 MB. Free memory was 48.0 MB in the beginning and 43.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:15,913 INFO L168 Benchmark]: RCFGBuilder took 1521.21 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 43.4 MB in the beginning and 73.5 MB in the end (delta: -30.0 MB). Peak memory consumption was 44.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:15,913 INFO L168 Benchmark]: TraceAbstraction took 10558.03 ms. Allocated memory was 127.9 MB in the beginning and 224.4 MB in the end (delta: 96.5 MB). Free memory was 72.5 MB in the beginning and 128.4 MB in the end (delta: -55.9 MB). Peak memory consumption was 43.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:15,914 INFO L168 Benchmark]: Witness Printer took 199.35 ms. Allocated memory is still 224.4 MB. Free memory was 128.4 MB in the beginning and 112.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:15,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory was 29.4 MB in the beginning and 29.4 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 731.13 ms. Allocated memory is still 92.3 MB. Free memory was 57.5 MB in the beginning and 53.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.29 ms. Allocated memory is still 92.3 MB. Free memory was 53.4 MB in the beginning and 48.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.44 ms. Allocated memory is still 92.3 MB. Free memory was 48.0 MB in the beginning and 43.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1521.21 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 43.4 MB in the beginning and 73.5 MB in the end (delta: -30.0 MB). Peak memory consumption was 44.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10558.03 ms. Allocated memory was 127.9 MB in the beginning and 224.4 MB in the end (delta: 96.5 MB). Free memory was 72.5 MB in the beginning and 128.4 MB in the end (delta: -55.9 MB). Peak memory consumption was 43.7 MB. Max. memory is 16.1 GB. * Witness Printer took 199.35 ms. Allocated memory is still 224.4 MB. Free memory was 128.4 MB in the beginning and 112.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((a19 <= 0 && a17 <= 8) && a28 <= 10) || (((9 <= a28 && a19 == 1) && a17 <= 8) && a28 <= 10)) || (a19 == 1 && a17 <= 7)) || ((a19 == 1 && a25 == 1) && a17 <= 8)) || ((((a25 == a11 && a19 == 1) && a11 == 0) && a28 <= 7) && a17 <= 8)) || ((9 <= a28 && a17 <= 7) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((a19 <= 0 && a17 <= 8) && a28 <= 10) || (((9 <= a28 && a19 == 1) && a17 <= 8) && a28 <= 10)) || (a19 == 1 && a17 <= 7)) || ((a19 == 1 && a25 == 1) && a17 <= 8)) || ((((a25 == a11 && a19 == 1) && a11 == 0) && a28 <= 7) && a17 <= 8)) || ((9 <= a28 && a17 <= 7) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.1s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1239 SDtfs, 1243 SDslu, 133 SDs, 0 SdLazy, 3152 SolverSat, 616 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3410occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 59 NumberOfFragments, 135 HoareAnnotationTreeSize, 3 FomulaSimplifications, 590 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1424 NumberOfCodeBlocks, 1424 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1412 ConstructedInterpolants, 0 QuantifiedInterpolants, 272458 SizeOfPredicates, 3 NumberOfNonLiveVariables, 927 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 547/556 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...