./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.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_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/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 9ec0e5925e997c01ed0feba8438589759f7e6730 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:06:42,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:06:42,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:06:42,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:06:42,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:06:42,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:06:42,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:06:42,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:06:42,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:06:42,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:06:42,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:06:42,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:06:42,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:06:42,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:06:42,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:06:42,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:06:42,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:06:42,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:06:42,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:06:42,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:06:42,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:06:42,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:06:42,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:06:42,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:06:42,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:06:42,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:06:42,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:06:42,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:06:42,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:06:42,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:06:42,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:06:42,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:06:42,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:06:42,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:06:42,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:06:42,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:06:42,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:06:42,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:06:42,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:06:42,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:06:42,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:06:42,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:06:42,732 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:06:42,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:06:42,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:06:42,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:06:42,734 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:06:42,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:06:42,735 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:06:42,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:06:42,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:06:42,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:06:42,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:06:42,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:06:42,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:06:42,736 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:06:42,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:06:42,737 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:06:42,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:06:42,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:06:42,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:06:42,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:06:42,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:06:42,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:06:42,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:06:42,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:06:42,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:06:42,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:06:42,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:06:42,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:06:42,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:06:42,740 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_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ec0e5925e997c01ed0feba8438589759f7e6730 [2020-11-28 03:06:43,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:06:43,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:06:43,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:06:43,054 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:06:43,061 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:06:43,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2020-11-28 03:06:43,147 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/data/2ac8c1d93/287bd1b03c184cb78dc31bfe28d8a54c/FLAG0b316e1df [2020-11-28 03:06:43,617 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:06:43,621 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2020-11-28 03:06:43,633 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/data/2ac8c1d93/287bd1b03c184cb78dc31bfe28d8a54c/FLAG0b316e1df [2020-11-28 03:06:43,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/data/2ac8c1d93/287bd1b03c184cb78dc31bfe28d8a54c [2020-11-28 03:06:43,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:06:43,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:06:43,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:43,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:06:43,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:06:43,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:43" (1/1) ... [2020-11-28 03:06:44,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca5b56a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:44, skipping insertion in model container [2020-11-28 03:06:44,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:43" (1/1) ... [2020-11-28 03:06:44,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:06:44,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:06:44,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:06:44,294 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:06:44,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:06:44,355 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:06:44,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:44 WrapperNode [2020-11-28 03:06:44,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:44,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:06:44,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:06:44,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:06:44,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:44" (1/1) ... [2020-11-28 03:06:44,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:44" (1/1) ... [2020-11-28 03:06:44,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:06:44,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:06:44,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:06:44,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:06:44,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:44" (1/1) ... [2020-11-28 03:06:44,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:44" (1/1) ... [2020-11-28 03:06:44,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:44" (1/1) ... [2020-11-28 03:06:44,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:44" (1/1) ... [2020-11-28 03:06:44,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:44" (1/1) ... [2020-11-28 03:06:44,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:44" (1/1) ... [2020-11-28 03:06:44,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:44" (1/1) ... [2020-11-28 03:06:44,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:06:44,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:06:44,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:06:44,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:06:44,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:06:44,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:06:44,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:06:44,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:06:44,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:06:44,790 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:06:44,790 INFO L298 CfgBuilder]: Removed 35 assume(true) statements. [2020-11-28 03:06:44,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:44 BoogieIcfgContainer [2020-11-28 03:06:44,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:06:44,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:06:44,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:06:44,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:06:44,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:06:43" (1/3) ... [2020-11-28 03:06:44,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e885249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:06:44, skipping insertion in model container [2020-11-28 03:06:44,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:44" (2/3) ... [2020-11-28 03:06:44,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e885249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:06:44, skipping insertion in model container [2020-11-28 03:06:44,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:44" (3/3) ... [2020-11-28 03:06:44,813 INFO L111 eAbstractionObserver]: Analyzing ICFG egcd3-ll_valuebound1.c [2020-11-28 03:06:44,824 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:06:44,828 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-28 03:06:44,840 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-28 03:06:44,863 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:06:44,863 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:06:44,863 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:06:44,864 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:06:44,864 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:06:44,864 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:06:44,864 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:06:44,864 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:06:44,883 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2020-11-28 03:06:44,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 03:06:44,892 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:44,893 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:44,894 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:44,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:44,899 INFO L82 PathProgramCache]: Analyzing trace with hash -171753097, now seen corresponding path program 1 times [2020-11-28 03:06:44,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:44,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218309365] [2020-11-28 03:06:44,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:45,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:45,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218309365] [2020-11-28 03:06:45,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:45,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:06:45,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130093211] [2020-11-28 03:06:45,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:06:45,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:45,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:06:45,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:06:45,120 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2020-11-28 03:06:45,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:45,150 INFO L93 Difference]: Finished difference Result 79 states and 112 transitions. [2020-11-28 03:06:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:06:45,151 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-11-28 03:06:45,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:45,157 INFO L225 Difference]: With dead ends: 79 [2020-11-28 03:06:45,157 INFO L226 Difference]: Without dead ends: 37 [2020-11-28 03:06:45,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:06:45,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-28 03:06:45,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-28 03:06:45,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-28 03:06:45,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2020-11-28 03:06:45,204 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 14 [2020-11-28 03:06:45,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:45,205 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2020-11-28 03:06:45,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:06:45,206 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2020-11-28 03:06:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 03:06:45,207 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:45,207 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:45,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:06:45,208 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:45,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:45,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1454174487, now seen corresponding path program 1 times [2020-11-28 03:06:45,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:45,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933784214] [2020-11-28 03:06:45,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:45,277 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:06:45,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1122213064] [2020-11-28 03:06:45,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:45,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:06:45,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:45,437 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:06:45,437 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:45,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:45,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933784214] [2020-11-28 03:06:45,475 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:06:45,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122213064] [2020-11-28 03:06:45,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:45,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:06:45,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981090769] [2020-11-28 03:06:45,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:06:45,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:45,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:06:45,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:06:45,479 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 5 states. [2020-11-28 03:06:45,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:45,621 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2020-11-28 03:06:45,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:06:45,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-28 03:06:45,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:45,623 INFO L225 Difference]: With dead ends: 64 [2020-11-28 03:06:45,623 INFO L226 Difference]: Without dead ends: 60 [2020-11-28 03:06:45,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:06:45,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-11-28 03:06:45,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 39. [2020-11-28 03:06:45,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-28 03:06:45,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2020-11-28 03:06:45,632 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 15 [2020-11-28 03:06:45,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:45,633 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2020-11-28 03:06:45,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:06:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2020-11-28 03:06:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:06:45,634 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:45,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:45,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-28 03:06:45,848 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:45,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:45,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1580206288, now seen corresponding path program 1 times [2020-11-28 03:06:45,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:45,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341353731] [2020-11-28 03:06:45,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:45,872 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:06:45,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [648236684] [2020-11-28 03:06:45,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:45,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 22 conjunts are in the unsatisfiable core [2020-11-28 03:06:45,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:45,971 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-11-28 03:06:45,971 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:46,004 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:06:46,004 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:46,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:46,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341353731] [2020-11-28 03:06:46,199 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:06:46,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648236684] [2020-11-28 03:06:46,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:46,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-28 03:06:46,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628364164] [2020-11-28 03:06:46,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-28 03:06:46,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:46,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-28 03:06:46,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:06:46,201 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 10 states. [2020-11-28 03:06:47,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:47,066 INFO L93 Difference]: Finished difference Result 79 states and 86 transitions. [2020-11-28 03:06:47,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 03:06:47,067 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2020-11-28 03:06:47,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:47,068 INFO L225 Difference]: With dead ends: 79 [2020-11-28 03:06:47,069 INFO L226 Difference]: Without dead ends: 77 [2020-11-28 03:06:47,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2020-11-28 03:06:47,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-11-28 03:06:47,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 51. [2020-11-28 03:06:47,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-28 03:06:47,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2020-11-28 03:06:47,089 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 17 [2020-11-28 03:06:47,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:47,090 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2020-11-28 03:06:47,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-28 03:06:47,091 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2020-11-28 03:06:47,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:06:47,093 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:47,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:47,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:47,324 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:47,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:47,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1839991917, now seen corresponding path program 1 times [2020-11-28 03:06:47,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:47,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910281209] [2020-11-28 03:06:47,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:47,343 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:06:47,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795276844] [2020-11-28 03:06:47,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:47,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 22 conjunts are in the unsatisfiable core [2020-11-28 03:06:47,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:47,447 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-11-28 03:06:47,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:47,486 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:06:47,486 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:47,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:47,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910281209] [2020-11-28 03:06:47,660 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:06:47,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795276844] [2020-11-28 03:06:47,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:47,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-28 03:06:47,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368616212] [2020-11-28 03:06:47,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-28 03:06:47,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:47,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-28 03:06:47,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:06:47,662 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand 10 states. [2020-11-28 03:06:48,175 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 22 [2020-11-28 03:06:48,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:48,486 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2020-11-28 03:06:48,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 03:06:48,487 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2020-11-28 03:06:48,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:48,488 INFO L225 Difference]: With dead ends: 75 [2020-11-28 03:06:48,488 INFO L226 Difference]: Without dead ends: 73 [2020-11-28 03:06:48,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=195, Unknown=0, NotChecked=0, Total=306 [2020-11-28 03:06:48,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-28 03:06:48,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 51. [2020-11-28 03:06:48,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-28 03:06:48,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2020-11-28 03:06:48,501 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 19 [2020-11-28 03:06:48,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:48,502 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2020-11-28 03:06:48,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-28 03:06:48,502 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2020-11-28 03:06:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 03:06:48,503 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:48,503 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:48,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:48,720 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:48,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:48,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1297656650, now seen corresponding path program 1 times [2020-11-28 03:06:48,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:48,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601329788] [2020-11-28 03:06:48,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:48,743 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:06:48,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753418108] [2020-11-28 03:06:48,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:48,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-28 03:06:48,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:48,802 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:06:48,802 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:48,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601329788] [2020-11-28 03:06:48,850 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:06:48,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753418108] [2020-11-28 03:06:48,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:06:48,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-28 03:06:48,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2923686] [2020-11-28 03:06:48,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:06:48,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:48,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:06:48,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:06:48,852 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand 7 states. [2020-11-28 03:06:49,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:49,095 INFO L93 Difference]: Finished difference Result 140 states and 157 transitions. [2020-11-28 03:06:49,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:06:49,099 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-11-28 03:06:49,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:49,101 INFO L225 Difference]: With dead ends: 140 [2020-11-28 03:06:49,101 INFO L226 Difference]: Without dead ends: 136 [2020-11-28 03:06:49,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:06:49,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-11-28 03:06:49,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 75. [2020-11-28 03:06:49,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-28 03:06:49,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 91 transitions. [2020-11-28 03:06:49,125 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 91 transitions. Word has length 20 [2020-11-28 03:06:49,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:49,126 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 91 transitions. [2020-11-28 03:06:49,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:06:49,126 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 91 transitions. [2020-11-28 03:06:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 03:06:49,127 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:49,127 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] [2020-11-28 03:06:49,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:49,335 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:49,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:49,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1294482198, now seen corresponding path program 1 times [2020-11-28 03:06:49,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:49,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302273053] [2020-11-28 03:06:49,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:49,352 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:06:49,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [484214615] [2020-11-28 03:06:49,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:49,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-28 03:06:49,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:49,443 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:06:49,443 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:49,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:49,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302273053] [2020-11-28 03:06:49,501 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:06:49,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484214615] [2020-11-28 03:06:49,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:49,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:06:49,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434031909] [2020-11-28 03:06:49,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:06:49,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:49,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:06:49,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:06:49,503 INFO L87 Difference]: Start difference. First operand 75 states and 91 transitions. Second operand 7 states. [2020-11-28 03:06:49,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:49,748 INFO L93 Difference]: Finished difference Result 95 states and 110 transitions. [2020-11-28 03:06:49,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:06:49,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-11-28 03:06:49,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:49,750 INFO L225 Difference]: With dead ends: 95 [2020-11-28 03:06:49,750 INFO L226 Difference]: Without dead ends: 93 [2020-11-28 03:06:49,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:06:49,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-11-28 03:06:49,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 84. [2020-11-28 03:06:49,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-11-28 03:06:49,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 102 transitions. [2020-11-28 03:06:49,771 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 102 transitions. Word has length 21 [2020-11-28 03:06:49,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:49,771 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 102 transitions. [2020-11-28 03:06:49,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:06:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2020-11-28 03:06:49,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:06:49,772 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:49,772 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:49,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-28 03:06:49,988 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:49,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:49,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1524629329, now seen corresponding path program 1 times [2020-11-28 03:06:49,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:49,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265181741] [2020-11-28 03:06:49,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:50,012 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:06:50,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1371975750] [2020-11-28 03:06:50,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:50,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 03:06:50,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:50,127 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-11-28 03:06:50,127 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:50,178 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:06:50,178 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:50,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:50,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265181741] [2020-11-28 03:06:50,246 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:06:50,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371975750] [2020-11-28 03:06:50,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:50,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-28 03:06:50,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19813518] [2020-11-28 03:06:50,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 03:06:50,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:50,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 03:06:50,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:06:50,259 INFO L87 Difference]: Start difference. First operand 84 states and 102 transitions. Second operand 8 states. [2020-11-28 03:06:50,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:50,475 INFO L93 Difference]: Finished difference Result 119 states and 136 transitions. [2020-11-28 03:06:50,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:06:50,476 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-11-28 03:06:50,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:50,477 INFO L225 Difference]: With dead ends: 119 [2020-11-28 03:06:50,477 INFO L226 Difference]: Without dead ends: 70 [2020-11-28 03:06:50,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:06:50,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-11-28 03:06:50,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 62. [2020-11-28 03:06:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-11-28 03:06:50,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2020-11-28 03:06:50,498 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 22 [2020-11-28 03:06:50,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:50,498 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2020-11-28 03:06:50,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 03:06:50,499 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2020-11-28 03:06:50,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 03:06:50,500 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:50,500 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] [2020-11-28 03:06:50,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:50,716 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:50,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:50,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1542934695, now seen corresponding path program 1 times [2020-11-28 03:06:50,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:50,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228640064] [2020-11-28 03:06:50,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:50,730 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:06:50,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1604025352] [2020-11-28 03:06:50,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:50,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-28 03:06:50,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:50,839 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-11-28 03:06:50,839 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:50,863 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:06:50,863 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:50,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:50,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228640064] [2020-11-28 03:06:50,929 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:06:50,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604025352] [2020-11-28 03:06:50,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:50,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-28 03:06:50,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451061179] [2020-11-28 03:06:50,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 03:06:50,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:50,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 03:06:50,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:06:50,931 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand 9 states. [2020-11-28 03:06:51,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:51,527 INFO L93 Difference]: Finished difference Result 103 states and 115 transitions. [2020-11-28 03:06:51,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-28 03:06:51,528 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-11-28 03:06:51,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:51,529 INFO L225 Difference]: With dead ends: 103 [2020-11-28 03:06:51,529 INFO L226 Difference]: Without dead ends: 101 [2020-11-28 03:06:51,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2020-11-28 03:06:51,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-11-28 03:06:51,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 78. [2020-11-28 03:06:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-11-28 03:06:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2020-11-28 03:06:51,552 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 23 [2020-11-28 03:06:51,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:51,554 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2020-11-28 03:06:51,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 03:06:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2020-11-28 03:06:51,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:06:51,559 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:51,559 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] [2020-11-28 03:06:51,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:51,760 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:51,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:51,760 INFO L82 PathProgramCache]: Analyzing trace with hash -963353371, now seen corresponding path program 1 times [2020-11-28 03:06:51,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:51,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337978688] [2020-11-28 03:06:51,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:51,772 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:06:51,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [584113769] [2020-11-28 03:06:51,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:51,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 48 conjunts are in the unsatisfiable core [2020-11-28 03:06:51,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:51,855 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-11-28 03:06:51,855 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:52,256 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:52,260 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 03:06:52,263 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:52,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:52,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337978688] [2020-11-28 03:06:52,342 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:06:52,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584113769] [2020-11-28 03:06:52,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:06:52,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-11-28 03:06:52,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634778469] [2020-11-28 03:06:52,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-28 03:06:52,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:52,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-28 03:06:52,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:06:52,345 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand 12 states. [2020-11-28 03:06:53,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:53,229 INFO L93 Difference]: Finished difference Result 140 states and 152 transitions. [2020-11-28 03:06:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-28 03:06:53,244 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 32 [2020-11-28 03:06:53,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:53,245 INFO L225 Difference]: With dead ends: 140 [2020-11-28 03:06:53,245 INFO L226 Difference]: Without dead ends: 134 [2020-11-28 03:06:53,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2020-11-28 03:06:53,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-11-28 03:06:53,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 97. [2020-11-28 03:06:53,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-11-28 03:06:53,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 113 transitions. [2020-11-28 03:06:53,272 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 113 transitions. Word has length 32 [2020-11-28 03:06:53,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:53,272 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 113 transitions. [2020-11-28 03:06:53,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-28 03:06:53,273 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2020-11-28 03:06:53,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:06:53,275 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:53,275 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:53,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-11-28 03:06:53,492 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:53,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:53,493 INFO L82 PathProgramCache]: Analyzing trace with hash 377688240, now seen corresponding path program 1 times [2020-11-28 03:06:53,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:53,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241812298] [2020-11-28 03:06:53,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:53,504 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:06:53,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1440551025] [2020-11-28 03:06:53,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:53,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-28 03:06:53,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:53,596 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-11-28 03:06:53,597 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:53,637 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-28 03:06:53,637 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:53,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241812298] [2020-11-28 03:06:53,714 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:06:53,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440551025] [2020-11-28 03:06:53,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:53,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-28 03:06:53,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106573219] [2020-11-28 03:06:53,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 03:06:53,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:53,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 03:06:53,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:06:53,716 INFO L87 Difference]: Start difference. First operand 97 states and 113 transitions. Second operand 9 states. [2020-11-28 03:06:54,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:54,049 INFO L93 Difference]: Finished difference Result 145 states and 165 transitions. [2020-11-28 03:06:54,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 03:06:54,050 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2020-11-28 03:06:54,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:54,051 INFO L225 Difference]: With dead ends: 145 [2020-11-28 03:06:54,051 INFO L226 Difference]: Without dead ends: 89 [2020-11-28 03:06:54,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2020-11-28 03:06:54,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-11-28 03:06:54,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 80. [2020-11-28 03:06:54,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-11-28 03:06:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2020-11-28 03:06:54,070 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 32 [2020-11-28 03:06:54,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:54,070 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2020-11-28 03:06:54,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 03:06:54,070 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2020-11-28 03:06:54,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:06:54,073 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:54,073 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 03:06:54,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:54,294 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:54,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:54,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1227018041, now seen corresponding path program 1 times [2020-11-28 03:06:54,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:54,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470466584] [2020-11-28 03:06:54,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:54,316 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:06:54,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2013235973] [2020-11-28 03:06:54,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:54,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:06:54,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:54,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470466584] [2020-11-28 03:06:54,431 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:06:54,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013235973] [2020-11-28 03:06:54,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:54,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:06:54,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116093302] [2020-11-28 03:06:54,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:06:54,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:54,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:06:54,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:06:54,432 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand 5 states. [2020-11-28 03:06:54,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:54,543 INFO L93 Difference]: Finished difference Result 152 states and 176 transitions. [2020-11-28 03:06:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:06:54,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-28 03:06:54,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:54,544 INFO L225 Difference]: With dead ends: 152 [2020-11-28 03:06:54,544 INFO L226 Difference]: Without dead ends: 101 [2020-11-28 03:06:54,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:06:54,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-11-28 03:06:54,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 89. [2020-11-28 03:06:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-11-28 03:06:54,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 105 transitions. [2020-11-28 03:06:54,575 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 105 transitions. Word has length 33 [2020-11-28 03:06:54,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:54,575 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 105 transitions. [2020-11-28 03:06:54,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:06:54,576 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2020-11-28 03:06:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 03:06:54,578 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:54,578 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 03:06:54,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:54,779 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:54,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:54,779 INFO L82 PathProgramCache]: Analyzing trace with hash 379637857, now seen corresponding path program 1 times [2020-11-28 03:06:54,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:54,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976819501] [2020-11-28 03:06:54,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:54,790 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-28 03:06:54,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2009295920] [2020-11-28 03:06:54,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:06:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:54,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 03:06:54,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:54,876 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-11-28 03:06:54,876 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:06:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:54,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976819501] [2020-11-28 03:06:54,975 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-28 03:06:54,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009295920] [2020-11-28 03:06:54,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:06:54,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-28 03:06:54,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236892996] [2020-11-28 03:06:54,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 03:06:54,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:54,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 03:06:54,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:06:54,977 INFO L87 Difference]: Start difference. First operand 89 states and 105 transitions. Second operand 9 states. [2020-11-28 03:06:55,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:55,156 INFO L93 Difference]: Finished difference Result 89 states and 105 transitions. [2020-11-28 03:06:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 03:06:55,157 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2020-11-28 03:06:55,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:55,157 INFO L225 Difference]: With dead ends: 89 [2020-11-28 03:06:55,157 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:06:55,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2020-11-28 03:06:55,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:06:55,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:06:55,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:06:55,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:06:55,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-11-28 03:06:55,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:55,158 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:06:55,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 03:06:55,159 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:06:55,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:06:55,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-28 03:06:55,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:06:55,703 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-11-28 03:06:55,817 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-11-28 03:06:55,920 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-11-28 03:06:56,050 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-11-28 03:06:56,403 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2020-11-28 03:06:56,513 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-11-28 03:06:56,628 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2020-11-28 03:06:56,630 INFO L270 CegarLoopResult]: At program point L35-2(lines 35 73) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_main_~y~0 1)) (.cse1 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and (<= 1 ULTIMATE.start_main_~y~0) (<= ULTIMATE.start_main_~b~0 1) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0) .cse0 (= ULTIMATE.start_main_~r~0 0) (= ULTIMATE.start_main_~p~0 1) (= ULTIMATE.start_main_~s~0 1) (<= 1 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~q~0 0) .cse1 (<= ULTIMATE.start_main_~a~0 1) (<= 1 ULTIMATE.start_main_~b~0)) (and (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~y~0) (= (+ ULTIMATE.start_main_~s~0 ULTIMATE.start_main_~r~0) 0) (= ULTIMATE.start_main_~r~0 1) (<= 0 ULTIMATE.start_main_~c~0) (< ULTIMATE.start_main_~b~0 1) (<= 0 ULTIMATE.start_main_~b~0) (< (div ULTIMATE.start_main_~x~0 2) ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~q~0 1) (< ULTIMATE.start_main_~c~0 1) .cse0 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0) (<= 1 ULTIMATE.start_main_~v~0) .cse1 (= ULTIMATE.start_main_~p~0 0)))) [2020-11-28 03:06:56,630 INFO L274 CegarLoopResult]: For program point L35-3(lines 35 73) no Hoare annotation was computed. [2020-11-28 03:06:56,630 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-28 03:06:56,630 INFO L274 CegarLoopResult]: For program point L11(lines 11 14) no Hoare annotation was computed. [2020-11-28 03:06:56,630 INFO L270 CegarLoopResult]: At program point L11-1(lines 10 16) the Hoare annotation is: (and (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~a~0) (= ULTIMATE.start_main_~p~0 1) (<= ULTIMATE.start_main_~v~0 1) (= ULTIMATE.start_main_~d~0 1) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~k~0 0) (<= ULTIMATE.start_main_~c~0 1) (= ULTIMATE.start_main_~r~0 0) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~s~0 1) (= ULTIMATE.start_main_~q~0 0) (<= 1 ULTIMATE.start_main_~v~0) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= ULTIMATE.start_main_~a~0 1) (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0) (<= 1 ULTIMATE.start_main_~b~0)) [2020-11-28 03:06:56,630 INFO L274 CegarLoopResult]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2020-11-28 03:06:56,631 INFO L270 CegarLoopResult]: At program point L11-3(lines 10 16) the Hoare annotation is: (and (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~a~0) (= ULTIMATE.start_main_~p~0 1) (<= ULTIMATE.start_main_~v~0 1) (= ULTIMATE.start_main_~d~0 1) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~k~0 0) (<= ULTIMATE.start_main_~c~0 1) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~r~0 0) (= ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~s~0 1) (<= 1 ULTIMATE.start_main_~v~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= ULTIMATE.start_main_~a~0 1) (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0) (<= 1 ULTIMATE.start_main_~b~0)) [2020-11-28 03:06:56,631 INFO L274 CegarLoopResult]: For program point L11-4(lines 11 14) no Hoare annotation was computed. [2020-11-28 03:06:56,631 INFO L270 CegarLoopResult]: At program point L11-5(lines 10 16) the Hoare annotation is: (and (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~a~0) (= ULTIMATE.start_main_~p~0 1) (<= ULTIMATE.start_main_~v~0 1) (= ULTIMATE.start_main_~d~0 1) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~k~0 0) (<= ULTIMATE.start_main_~c~0 1) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= ULTIMATE.start_main_~r~0 0) (= ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~s~0 1) (<= 1 ULTIMATE.start_main_~v~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= ULTIMATE.start_main_~a~0 1) (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0) (<= 1 ULTIMATE.start_main_~b~0)) [2020-11-28 03:06:56,631 INFO L274 CegarLoopResult]: For program point L11-6(lines 11 14) no Hoare annotation was computed. [2020-11-28 03:06:56,631 INFO L274 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-11-28 03:06:56,631 INFO L270 CegarLoopResult]: At program point L11-7(lines 55 56) the Hoare annotation is: (and (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~a~0) (= ULTIMATE.start_main_~p~0 1) (<= ULTIMATE.start_main_~v~0 1) (= ULTIMATE.start_main_~d~0 1) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~k~0 0) (<= ULTIMATE.start_main_~c~0 1) (= ULTIMATE.start_main_~r~0 0) (= ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~s~0 1) (<= 1 ULTIMATE.start_main_~v~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= ULTIMATE.start_main_~a~0 1) (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0) (<= 1 ULTIMATE.start_main_~b~0)) [2020-11-28 03:06:56,631 INFO L274 CegarLoopResult]: For program point L11-8(lines 11 14) no Hoare annotation was computed. [2020-11-28 03:06:56,631 INFO L277 CegarLoopResult]: At program point L11-9(lines 10 16) the Hoare annotation is: true [2020-11-28 03:06:56,631 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-28 03:06:56,631 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L12(lines 12 13) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L12-1(lines 12 13) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L12-2(lines 12 13) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L12-3(lines 12 13) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L12-4(lines 12 13) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L7-1(lines 7 9) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L7-2(lines 7 9) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L7-3(lines 7 9) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L270 CegarLoopResult]: At program point L49-2(lines 49 59) the Hoare annotation is: (and (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~a~0) (= ULTIMATE.start_main_~p~0 1) (<= ULTIMATE.start_main_~v~0 1) (= ULTIMATE.start_main_~d~0 1) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~k~0 0) (<= ULTIMATE.start_main_~c~0 1) (= ULTIMATE.start_main_~r~0 0) (= ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~s~0 1) (<= 1 ULTIMATE.start_main_~v~0) (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= ULTIMATE.start_main_~a~0 1) (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0) (<= 1 ULTIMATE.start_main_~b~0)) [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L49-3(lines 49 59) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L8-2(line 8) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L8-4(line 8) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point L8-6(line 8) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:06:56,632 INFO L277 CegarLoopResult]: At program point L75(lines 18 76) the Hoare annotation is: true [2020-11-28 03:06:56,633 INFO L270 CegarLoopResult]: At program point L42-2(lines 42 62) the Hoare annotation is: (let ((.cse7 (<= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~x~0))) (let ((.cse0 (<= 1 ULTIMATE.start_main_~y~0)) (.cse1 (= ULTIMATE.start_main_~r~0 0)) (.cse3 (let ((.cse8 (let ((.cse9 (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0)) (.cse10 (= ULTIMATE.start_main_~p~0 1))) (or (and (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~b~0) .cse9 .cse10 (<= ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~a~0)) (and .cse9 (<= ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~a~0) .cse10))))) (or (and .cse8 (<= ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~x~0)) (and .cse8 .cse7)))) (.cse2 (= ULTIMATE.start_main_~s~0 1)) (.cse4 (= ULTIMATE.start_main_~q~0 0)) (.cse5 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse6 (<= ULTIMATE.start_main_~a~0 1))) (or (and .cse0 (<= ULTIMATE.start_main_~b~0 1) (= ULTIMATE.start_main_~k~0 0) .cse1 (= ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~x~0) .cse2 .cse3 (<= 1 ULTIMATE.start_main_~c~0) .cse4 .cse5 .cse6 (<= 1 ULTIMATE.start_main_~b~0)) (and (= ULTIMATE.start_main_~k~0 1) (<= 0 ULTIMATE.start_main_~c~0) (<= ULTIMATE.start_main_~v~0 ULTIMATE.start_main_~b~0) (< ULTIMATE.start_main_~c~0 ULTIMATE.start_main_~b~0) .cse0 .cse1 .cse3 .cse2 .cse4 (<= 1 ULTIMATE.start_main_~v~0) .cse5 .cse6 .cse7)))) [2020-11-28 03:06:56,633 INFO L274 CegarLoopResult]: For program point L42-3(lines 42 62) no Hoare annotation was computed. [2020-11-28 03:06:56,633 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-28 03:06:56,633 INFO L274 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2020-11-28 03:06:56,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:06:56 BoogieIcfgContainer [2020-11-28 03:06:56,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:06:56,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:06:56,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:06:56,659 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:06:56,659 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:44" (3/4) ... [2020-11-28 03:06:56,662 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:06:56,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-28 03:06:56,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:06:56,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:06:56,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:06:56,733 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_29ddbc0a-24bd-4f83-8c9e-a9de1ffef84a/bin/uautomizer/witness.graphml [2020-11-28 03:06:56,736 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:06:56,737 INFO L168 Benchmark]: Toolchain (without parser) took 12748.45 ms. Allocated memory was 115.3 MB in the beginning and 169.9 MB in the end (delta: 54.5 MB). Free memory was 86.0 MB in the beginning and 60.8 MB in the end (delta: 25.1 MB). Peak memory consumption was 80.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:56,738 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 75.5 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:56,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.88 ms. Allocated memory is still 115.3 MB. Free memory was 85.7 MB in the beginning and 92.4 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:56,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.54 ms. Allocated memory is still 115.3 MB. Free memory was 92.4 MB in the beginning and 90.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:56,740 INFO L168 Benchmark]: Boogie Preprocessor took 26.11 ms. Allocated memory is still 115.3 MB. Free memory was 90.7 MB in the beginning and 89.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:56,740 INFO L168 Benchmark]: RCFGBuilder took 353.32 ms. Allocated memory is still 115.3 MB. Free memory was 89.4 MB in the beginning and 72.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:56,740 INFO L168 Benchmark]: TraceAbstraction took 11864.23 ms. Allocated memory was 115.3 MB in the beginning and 169.9 MB in the end (delta: 54.5 MB). Free memory was 71.8 MB in the beginning and 65.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 80.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:56,741 INFO L168 Benchmark]: Witness Printer took 77.72 ms. Allocated memory is still 169.9 MB. Free memory was 65.0 MB in the beginning and 60.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:56,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 75.5 MB. Free memory is still 37.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 365.88 ms. Allocated memory is still 115.3 MB. Free memory was 85.7 MB in the beginning and 92.4 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.54 ms. Allocated memory is still 115.3 MB. Free memory was 92.4 MB in the beginning and 90.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.11 ms. Allocated memory is still 115.3 MB. Free memory was 90.7 MB in the beginning and 89.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 353.32 ms. Allocated memory is still 115.3 MB. Free memory was 89.4 MB in the beginning and 72.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11864.23 ms. Allocated memory was 115.3 MB in the beginning and 169.9 MB in the end (delta: 54.5 MB). Free memory was 71.8 MB in the beginning and 65.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 80.8 MB. Max. memory is 16.1 GB. * Witness Printer took 77.72 ms. Allocated memory is still 169.9 MB. Free memory was 65.0 MB in the beginning and 60.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: ((((((((((((((y <= a && p == 1) && v <= 1) && d == 1) && b == y) && k == 0) && c <= 1) && r == 0) && c == x) && s == 1) && 1 <= v) && q == 0) && cond == 1) && a <= 1) && b <= x) && 1 <= b - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (((((((((((((((y <= a && p == 1) && v <= 1) && d == 1) && b == y) && k == 0) && c <= 1) && r == 0) && 1 == cond) && c == x) && s == 1) && q == 0) && 1 <= v) && cond == 1) && a <= 1) && b <= x) && 1 <= b - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (((((((((((((((y <= a && p == 1) && v <= 1) && d == 1) && b == y) && k == 0) && c <= 1) && 1 == cond) && r == 0) && c == x) && s == 1) && 1 <= v) && q == 0) && cond == 1) && a <= 1) && b <= x) && 1 <= b - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (((((((((((1 <= y && b <= 1) && a == x) && y <= 1) && r == 0) && p == 1) && s == 1) && 1 <= x) && q == 0) && cond == 1) && a <= 1) && 1 <= b) || (((((((((((((a == y && s + r == 0) && r == 1) && 0 <= c) && b < 1) && 0 <= b) && x / 2 < y) && q == 1) && c < 1) && y <= 1) && y <= x) && 1 <= v) && cond == 1) && p == 0) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (((((((((((((((y <= a && p == 1) && v <= 1) && d == 1) && b == y) && k == 0) && c <= 1) && 1 == cond) && r == 0) && c == x) && s == 1) && 1 <= v) && q == 0) && cond == 1) && a <= 1) && b <= x) && 1 <= b - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: (((((((((((1 <= y && b <= 1) && k == 0) && r == 0) && c == x) && s == 1) && ((((((y <= b && a == x) && p == 1) && c <= a) || ((a == x && y <= a) && p == 1)) && c <= x) || (((((y <= b && a == x) && p == 1) && c <= a) || ((a == x && y <= a) && p == 1)) && b <= x))) && 1 <= c) && q == 0) && cond == 1) && a <= 1) && 1 <= b) || ((((((((((((k == 1 && 0 <= c) && v <= b) && c < b) && 1 <= y) && r == 0) && ((((((y <= b && a == x) && p == 1) && c <= a) || ((a == x && y <= a) && p == 1)) && c <= x) || (((((y <= b && a == x) && p == 1) && c <= a) || ((a == x && y <= a) && p == 1)) && b <= x))) && s == 1) && q == 0) && 1 <= v) && cond == 1) && a <= 1) && b <= x) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((((((((((y <= a && p == 1) && v <= 1) && d == 1) && b == y) && k == 0) && c <= 1) && r == 0) && c == x) && s == 1) && 1 <= v) && q == 0) && cond == 1) && a <= 1) && b <= x) && 1 <= b - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.4s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 1760 SDslu, 1011 SDs, 0 SdLazy, 1135 SolverSat, 158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 228 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 20 NumberOfFragments, 527 HoareAnnotationTreeSize, 9 FomulaSimplifications, 3507 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 509 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 272 ConstructedInterpolants, 0 QuantifiedInterpolants, 54927 SizeOfPredicates, 102 NumberOfNonLiveVariables, 1229 ConjunctsInSsa, 188 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 30/38 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...