./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i --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_570c4bf2-83bd-4fa4-8568-e76d112a9306/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/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 8c067034d8676e097c36fd744c405062d302fbf2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:55:05,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:55:05,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:55:05,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:55:05,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:55:05,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:55:05,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:55:05,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:55:05,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:55:05,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:55:05,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:55:05,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:55:05,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:55:05,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:55:05,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:55:05,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:55:05,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:55:05,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:55:05,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:55:05,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:55:05,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:55:05,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:55:05,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:55:05,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:55:05,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:55:05,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:55:05,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:55:05,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:55:05,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:55:05,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:55:05,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:55:05,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:55:05,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:55:05,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:55:05,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:55:05,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:55:05,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:55:05,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:55:05,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:55:05,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:55:05,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:55:05,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:55:05,540 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:55:05,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:55:05,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:55:05,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:55:05,543 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:55:05,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:55:05,543 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:55:05,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:55:05,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:55:05,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:55:05,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:55:05,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:55:05,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:55:05,546 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:55:05,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:55:05,546 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:55:05,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:55:05,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:55:05,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:55:05,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:55:05,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:55:05,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:55:05,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:55:05,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:55:05,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:55:05,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:55:05,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:55:05,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:55:05,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:55:05,550 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_570c4bf2-83bd-4fa4-8568-e76d112a9306/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c067034d8676e097c36fd744c405062d302fbf2 [2020-11-29 20:55:05,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:55:05,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:55:05,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:55:05,844 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:55:05,846 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:55:05,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2020-11-29 20:55:05,930 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/bin/uautomizer/data/1bcf0a4ba/d7625fba024b412bb517380759f2e983/FLAG64d791dba [2020-11-29 20:55:06,484 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:55:06,486 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2020-11-29 20:55:06,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/bin/uautomizer/data/1bcf0a4ba/d7625fba024b412bb517380759f2e983/FLAG64d791dba [2020-11-29 20:55:06,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/bin/uautomizer/data/1bcf0a4ba/d7625fba024b412bb517380759f2e983 [2020-11-29 20:55:06,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:55:06,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:55:06,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:55:06,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:55:06,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:55:06,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:55:06" (1/1) ... [2020-11-29 20:55:06,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413aab08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:55:06, skipping insertion in model container [2020-11-29 20:55:06,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:55:06" (1/1) ... [2020-11-29 20:55:06,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:55:06,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:55:07,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:55:07,103 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:55:07,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:55:07,157 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:55:07,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:55:07 WrapperNode [2020-11-29 20:55:07,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:55:07,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:55:07,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:55:07,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:55:07,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:55:07" (1/1) ... [2020-11-29 20:55:07,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:55:07" (1/1) ... [2020-11-29 20:55:07,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:55:07,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:55:07,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:55:07,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:55:07,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:55:07" (1/1) ... [2020-11-29 20:55:07,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:55:07" (1/1) ... [2020-11-29 20:55:07,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:55:07" (1/1) ... [2020-11-29 20:55:07,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:55:07" (1/1) ... [2020-11-29 20:55:07,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:55:07" (1/1) ... [2020-11-29 20:55:07,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:55:07" (1/1) ... [2020-11-29 20:55:07,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:55:07" (1/1) ... [2020-11-29 20:55:07,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:55:07,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:55:07,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:55:07,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:55:07,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:55:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/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 [2020-11-29 20:55:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:55:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:55:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:55:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:55:07,591 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:55:07,592 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-29 20:55:07,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:55:07 BoogieIcfgContainer [2020-11-29 20:55:07,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:55:07,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:55:07,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:55:07,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:55:07,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:55:06" (1/3) ... [2020-11-29 20:55:07,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196b1318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:55:07, skipping insertion in model container [2020-11-29 20:55:07,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:55:07" (2/3) ... [2020-11-29 20:55:07,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196b1318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:55:07, skipping insertion in model container [2020-11-29 20:55:07,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:55:07" (3/3) ... [2020-11-29 20:55:07,620 INFO L111 eAbstractionObserver]: Analyzing ICFG divbin2_unwindbound1.i [2020-11-29 20:55:07,630 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:55:07,633 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-11-29 20:55:07,645 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-29 20:55:07,669 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:55:07,670 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:55:07,670 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:55:07,670 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:55:07,670 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:55:07,670 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:55:07,670 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:55:07,670 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:55:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-11-29 20:55:07,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 20:55:07,689 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:55:07,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:55:07,690 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:55:07,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:55:07,703 INFO L82 PathProgramCache]: Analyzing trace with hash -608290408, now seen corresponding path program 1 times [2020-11-29 20:55:07,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:55:07,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679110062] [2020-11-29 20:55:07,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:55:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:55:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:55:07,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679110062] [2020-11-29 20:55:07,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:55:07,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:55:07,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803869190] [2020-11-29 20:55:07,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 20:55:07,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:55:07,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 20:55:07,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 20:55:07,914 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2020-11-29 20:55:07,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:55:07,989 INFO L93 Difference]: Finished difference Result 43 states and 60 transitions. [2020-11-29 20:55:07,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 20:55:07,991 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-29 20:55:08,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:55:08,024 INFO L225 Difference]: With dead ends: 43 [2020-11-29 20:55:08,024 INFO L226 Difference]: Without dead ends: 20 [2020-11-29 20:55:08,028 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 [2020-11-29 20:55:08,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2020-11-29 20:55:08,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2020-11-29 20:55:08,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-29 20:55:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2020-11-29 20:55:08,065 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 9 [2020-11-29 20:55:08,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:55:08,065 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2020-11-29 20:55:08,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 20:55:08,066 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2020-11-29 20:55:08,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 20:55:08,067 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:55:08,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:55:08,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:55:08,068 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:55:08,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:55:08,071 INFO L82 PathProgramCache]: Analyzing trace with hash -802151346, now seen corresponding path program 1 times [2020-11-29 20:55:08,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:55:08,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311000486] [2020-11-29 20:55:08,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:55:08,102 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 20:55:08,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1814129186] [2020-11-29 20:55:08,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/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 [2020-11-29 20:55:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:55:08,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 20:55:08,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:55:08,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:55:08,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311000486] [2020-11-29 20:55:08,268 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 20:55:08,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814129186] [2020-11-29 20:55:08,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:55:08,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:55:08,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914226323] [2020-11-29 20:55:08,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:55:08,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:55:08,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:55:08,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:55:08,272 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand 4 states. [2020-11-29 20:55:08,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:55:08,295 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2020-11-29 20:55:08,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:55:08,296 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-29 20:55:08,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:55:08,297 INFO L225 Difference]: With dead ends: 37 [2020-11-29 20:55:08,297 INFO L226 Difference]: Without dead ends: 22 [2020-11-29 20:55:08,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:55:08,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-11-29 20:55:08,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-11-29 20:55:08,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-29 20:55:08,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-11-29 20:55:08,303 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 10 [2020-11-29 20:55:08,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:55:08,303 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-11-29 20:55:08,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:55:08,303 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-11-29 20:55:08,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 20:55:08,304 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:55:08,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:55:08,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-29 20:55:08,505 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:55:08,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:55:08,505 INFO L82 PathProgramCache]: Analyzing trace with hash 550186191, now seen corresponding path program 1 times [2020-11-29 20:55:08,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:55:08,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090346235] [2020-11-29 20:55:08,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:55:08,524 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 20:55:08,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [303757609] [2020-11-29 20:55:08,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/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 [2020-11-29 20:55:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:55:08,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 20:55:08,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:55:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:55:08,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090346235] [2020-11-29 20:55:08,648 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 20:55:08,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303757609] [2020-11-29 20:55:08,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:55:08,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:55:08,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418043880] [2020-11-29 20:55:08,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:55:08,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:55:08,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:55:08,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:55:08,650 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 5 states. [2020-11-29 20:55:08,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:55:08,686 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2020-11-29 20:55:08,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:55:08,687 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-11-29 20:55:08,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:55:08,688 INFO L225 Difference]: With dead ends: 30 [2020-11-29 20:55:08,688 INFO L226 Difference]: Without dead ends: 15 [2020-11-29 20:55:08,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:55:08,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-11-29 20:55:08,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-11-29 20:55:08,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-29 20:55:08,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2020-11-29 20:55:08,691 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2020-11-29 20:55:08,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:55:08,692 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2020-11-29 20:55:08,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:55:08,692 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-11-29 20:55:08,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 20:55:08,692 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:55:08,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:55:08,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:55:08,902 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:55:08,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:55:08,902 INFO L82 PathProgramCache]: Analyzing trace with hash -153652746, now seen corresponding path program 1 times [2020-11-29 20:55:08,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:55:08,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221445003] [2020-11-29 20:55:08,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:55:08,923 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 20:55:08,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [286127622] [2020-11-29 20:55:08,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/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 [2020-11-29 20:55:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:55:09,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-29 20:55:09,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:55:09,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:55:09,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221445003] [2020-11-29 20:55:09,132 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 20:55:09,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286127622] [2020-11-29 20:55:09,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:55:09,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 20:55:09,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394247382] [2020-11-29 20:55:09,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:55:09,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:55:09,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:55:09,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:55:09,134 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 5 states. [2020-11-29 20:55:09,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:55:09,183 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2020-11-29 20:55:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:55:09,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-11-29 20:55:09,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:55:09,186 INFO L225 Difference]: With dead ends: 24 [2020-11-29 20:55:09,186 INFO L226 Difference]: Without dead ends: 16 [2020-11-29 20:55:09,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:55:09,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-29 20:55:09,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-29 20:55:09,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-29 20:55:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2020-11-29 20:55:09,189 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 12 [2020-11-29 20:55:09,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:55:09,189 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2020-11-29 20:55:09,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:55:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2020-11-29 20:55:09,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 20:55:09,190 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:55:09,190 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:55:09,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:55:09,391 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:55:09,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:55:09,392 INFO L82 PathProgramCache]: Analyzing trace with hash -467483727, now seen corresponding path program 1 times [2020-11-29 20:55:09,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:55:09,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942875442] [2020-11-29 20:55:09,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:55:09,407 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 20:55:09,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1835283322] [2020-11-29 20:55:09,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/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 [2020-11-29 20:55:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:55:09,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 20:55:09,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:55:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:55:09,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942875442] [2020-11-29 20:55:09,497 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 20:55:09,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835283322] [2020-11-29 20:55:09,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:55:09,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:55:09,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884072354] [2020-11-29 20:55:09,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:55:09,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:55:09,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:55:09,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:55:09,499 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 4 states. [2020-11-29 20:55:09,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:55:09,528 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2020-11-29 20:55:09,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:55:09,528 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-29 20:55:09,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:55:09,528 INFO L225 Difference]: With dead ends: 16 [2020-11-29 20:55:09,528 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:55:09,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:55:09,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:55:09,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:55:09,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:55:09,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:55:09,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-11-29 20:55:09,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:55:09,530 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:55:09,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:55:09,530 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:55:09,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:55:09,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:55:09,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 20:55:09,848 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:55:09,848 INFO L274 CegarLoopResult]: For program point L19(lines 19 22) no Hoare annotation was computed. [2020-11-29 20:55:09,849 INFO L270 CegarLoopResult]: At program point L19-1(line 40) the Hoare annotation is: false [2020-11-29 20:55:09,849 INFO L274 CegarLoopResult]: For program point L19-2(lines 19 22) no Hoare annotation was computed. [2020-11-29 20:55:09,849 INFO L277 CegarLoopResult]: At program point L19-3(lines 18 24) the Hoare annotation is: true [2020-11-29 20:55:09,849 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:55:09,849 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:55:09,849 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:55:09,849 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:55:09,849 INFO L274 CegarLoopResult]: For program point L20(lines 20 21) no Hoare annotation was computed. [2020-11-29 20:55:09,850 INFO L274 CegarLoopResult]: For program point L20-1(lines 20 21) no Hoare annotation was computed. [2020-11-29 20:55:09,850 INFO L277 CegarLoopResult]: At program point L49(lines 26 50) the Hoare annotation is: true [2020-11-29 20:55:09,850 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 20:55:09,850 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-29 20:55:09,850 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-11-29 20:55:09,850 INFO L274 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-11-29 20:55:09,850 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:55:09,850 INFO L274 CegarLoopResult]: For program point L38(lines 38 47) no Hoare annotation was computed. [2020-11-29 20:55:09,850 INFO L274 CegarLoopResult]: For program point L38-2(lines 38 47) no Hoare annotation was computed. [2020-11-29 20:55:09,851 INFO L274 CegarLoopResult]: For program point L34-1(lines 34 37) no Hoare annotation was computed. [2020-11-29 20:55:09,851 INFO L270 CegarLoopResult]: At program point L34-3(lines 34 37) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~q~0 0)) (.cse1 (= ULTIMATE.start_main_~A~0 ULTIMATE.start_main_~r~0))) (or (and (= ULTIMATE.start_main_~b~0 1) .cse0 .cse1 (<= 0 ~counter~0)) (and (<= 1 ~counter~0) .cse0 .cse1))) [2020-11-29 20:55:09,851 INFO L274 CegarLoopResult]: For program point L43(lines 43 46) no Hoare annotation was computed. [2020-11-29 20:55:09,851 INFO L274 CegarLoopResult]: For program point L43-2(lines 26 50) no Hoare annotation was computed. [2020-11-29 20:55:09,851 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 20:55:09,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:55:09 BoogieIcfgContainer [2020-11-29 20:55:09,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:55:09,871 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:55:09,871 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:55:09,871 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:55:09,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:55:07" (3/4) ... [2020-11-29 20:55:09,874 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:55:09,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 20:55:09,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 20:55:09,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:55:09,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:55:09,932 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_570c4bf2-83bd-4fa4-8568-e76d112a9306/bin/uautomizer/witness.graphml [2020-11-29 20:55:09,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:55:09,934 INFO L168 Benchmark]: Toolchain (without parser) took 3100.78 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 55.0 MB in the beginning and 84.3 MB in the end (delta: -29.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:55:09,935 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 60.1 MB in the beginning and 60.0 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:55:09,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.04 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 54.9 MB in the beginning and 84.3 MB in the end (delta: -29.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:55:09,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.51 ms. Allocated memory is still 107.0 MB. Free memory was 84.3 MB in the beginning and 82.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:55:09,937 INFO L168 Benchmark]: Boogie Preprocessor took 23.75 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 81.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:55:09,938 INFO L168 Benchmark]: RCFGBuilder took 364.76 ms. Allocated memory is still 107.0 MB. Free memory was 81.5 MB in the beginning and 68.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:55:09,938 INFO L168 Benchmark]: TraceAbstraction took 2275.17 ms. Allocated memory is still 107.0 MB. Free memory was 67.8 MB in the beginning and 50.3 MB in the end (delta: 17.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:55:09,939 INFO L168 Benchmark]: Witness Printer took 62.32 ms. Allocated memory is still 107.0 MB. Free memory was 50.3 MB in the beginning and 84.3 MB in the end (delta: -34.0 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:55:09,942 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory was 60.1 MB in the beginning and 60.0 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 323.04 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 54.9 MB in the beginning and 84.3 MB in the end (delta: -29.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.51 ms. Allocated memory is still 107.0 MB. Free memory was 84.3 MB in the beginning and 82.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.75 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 81.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 364.76 ms. Allocated memory is still 107.0 MB. Free memory was 81.5 MB in the beginning and 68.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2275.17 ms. Allocated memory is still 107.0 MB. Free memory was 67.8 MB in the beginning and 50.3 MB in the end (delta: 17.5 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. * Witness Printer took 62.32 ms. Allocated memory is still 107.0 MB. Free memory was 50.3 MB in the beginning and 84.3 MB in the end (delta: -34.0 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((b == 1 && q == 0) && A == r) && 0 <= counter) || ((1 <= counter && q == 0) && A == r) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 79 SDtfs, 16 SDslu, 80 SDs, 0 SdLazy, 34 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 7 NumberOfFragments, 27 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 2206 SizeOfPredicates, 14 NumberOfNonLiveVariables, 234 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 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...