./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/fermat1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22d7788319b1f6b53f5835e05bcfc3e9bca79d79 ................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:34:13,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:34:13,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:34:13,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:34:13,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:34:13,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:34:13,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:34:13,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:34:13,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:34:13,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:34:13,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:34:13,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:34:13,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:34:13,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:34:13,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:34:13,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:34:13,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:34:13,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:34:13,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:34:13,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:34:13,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:34:13,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:34:13,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:34:13,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:34:13,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:34:13,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:34:13,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:34:13,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:34:13,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:34:13,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:34:13,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:34:13,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:34:13,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:34:13,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:34:13,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:34:13,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:34:13,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:34:13,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:34:13,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:34:13,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:34:13,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:34:13,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 09:34:13,671 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:34:13,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:34:13,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:34:13,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:34:13,673 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:34:13,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:34:13,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:34:13,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:34:13,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:34:13,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:34:13,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:34:13,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:34:13,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:34:13,676 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:34:13,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:34:13,676 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:34:13,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:34:13,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:34:13,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:34:13,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:34:13,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:34:13,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:34:13,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:34:13,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:34:13,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:34:13,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:34:13,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:34:13,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:34:13,680 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/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(__VERIFIER_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 -> 22d7788319b1f6b53f5835e05bcfc3e9bca79d79 [2019-11-20 09:34:13,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:34:13,883 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:34:13,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:34:13,893 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:34:13,894 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:34:13,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/bin/uautomizer/../../sv-benchmarks/c/nla-digbench/fermat1.c [2019-11-20 09:34:13,964 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/bin/uautomizer/data/07ca407af/3513fb3af5e3444d89d54ee3048a7ca6/FLAGabc99dc2f [2019-11-20 09:34:14,440 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:34:14,441 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/sv-benchmarks/c/nla-digbench/fermat1.c [2019-11-20 09:34:14,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/bin/uautomizer/data/07ca407af/3513fb3af5e3444d89d54ee3048a7ca6/FLAGabc99dc2f [2019-11-20 09:34:14,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/bin/uautomizer/data/07ca407af/3513fb3af5e3444d89d54ee3048a7ca6 [2019-11-20 09:34:14,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:34:14,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:34:14,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:34:14,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:34:14,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:34:14,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:34:14" (1/1) ... [2019-11-20 09:34:14,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f83c318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:14, skipping insertion in model container [2019-11-20 09:34:14,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:34:14" (1/1) ... [2019-11-20 09:34:14,757 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:34:14,775 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:34:14,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:34:14,954 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:34:15,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:34:15,072 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:34:15,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:15 WrapperNode [2019-11-20 09:34:15,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:34:15,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:34:15,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:34:15,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:34:15,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:15" (1/1) ... [2019-11-20 09:34:15,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:15" (1/1) ... [2019-11-20 09:34:15,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:34:15,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:34:15,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:34:15,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:34:15,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:15" (1/1) ... [2019-11-20 09:34:15,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:15" (1/1) ... [2019-11-20 09:34:15,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:15" (1/1) ... [2019-11-20 09:34:15,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:15" (1/1) ... [2019-11-20 09:34:15,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:15" (1/1) ... [2019-11-20 09:34:15,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:15" (1/1) ... [2019-11-20 09:34:15,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:15" (1/1) ... [2019-11-20 09:34:15,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:34:15,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:34:15,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:34:15,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:34:15,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/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 [2019-11-20 09:34:15,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:34:15,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:34:15,573 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:34:15,573 INFO L285 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-20 09:34:15,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:34:15 BoogieIcfgContainer [2019-11-20 09:34:15,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:34:15,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:34:15,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:34:15,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:34:15,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:34:14" (1/3) ... [2019-11-20 09:34:15,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f64b675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:34:15, skipping insertion in model container [2019-11-20 09:34:15,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:15" (2/3) ... [2019-11-20 09:34:15,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f64b675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:34:15, skipping insertion in model container [2019-11-20 09:34:15,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:34:15" (3/3) ... [2019-11-20 09:34:15,602 INFO L109 eAbstractionObserver]: Analyzing ICFG fermat1.c [2019-11-20 09:34:15,613 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:34:15,620 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-20 09:34:15,639 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-20 09:34:15,665 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:34:15,666 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:34:15,666 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:34:15,666 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:34:15,666 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:34:15,667 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:34:15,667 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:34:15,667 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:34:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-11-20 09:34:15,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 09:34:15,697 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:34:15,698 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 09:34:15,698 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:34:15,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:34:15,728 INFO L82 PathProgramCache]: Analyzing trace with hash 963340, now seen corresponding path program 1 times [2019-11-20 09:34:15,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:34:15,739 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056640528] [2019-11-20 09:34:15,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:34:15,813 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 09:34:15,814 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1780360158] [2019-11-20 09:34:15,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/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 [2019-11-20 09:34:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:34:15,854 WARN L253 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 09:34:15,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:34:16,084 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2019-11-20 09:34:16,096 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 09:34:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:34:16,181 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056640528] [2019-11-20 09:34:16,181 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 09:34:16,181 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780360158] [2019-11-20 09:34:16,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:34:16,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:34:16,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443343882] [2019-11-20 09:34:16,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:34:16,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:34:16,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:34:16,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:34:16,206 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2019-11-20 09:34:25,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:34:25,053 INFO L93 Difference]: Finished difference Result 68 states and 104 transitions. [2019-11-20 09:34:25,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:34:25,056 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-20 09:34:25,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:34:25,074 INFO L225 Difference]: With dead ends: 68 [2019-11-20 09:34:25,075 INFO L226 Difference]: Without dead ends: 37 [2019-11-20 09:34:25,079 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-20 09:34:25,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-20 09:34:25,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 29. [2019-11-20 09:34:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-20 09:34:25,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2019-11-20 09:34:25,150 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 4 [2019-11-20 09:34:25,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:34:25,151 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2019-11-20 09:34:25,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:34:25,151 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2019-11-20 09:34:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 09:34:25,152 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:34:25,153 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 09:34:25,356 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:34:25,357 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:34:25,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:34:25,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1360971675, now seen corresponding path program 1 times [2019-11-20 09:34:25,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:34:25,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877316637] [2019-11-20 09:34:25,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:34:25,363 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-20 09:34:25,364 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [392384253] [2019-11-20 09:34:25,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/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 [2019-11-20 09:34:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:34:25,394 WARN L253 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 09:34:25,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:34:25,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 09:34:25,627 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 09:34:25,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:34:25,657 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877316637] [2019-11-20 09:34:25,657 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-20 09:34:25,657 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392384253] [2019-11-20 09:34:25,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:34:25,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 09:34:25,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491201443] [2019-11-20 09:34:25,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 09:34:25,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:34:25,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 09:34:25,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=27, Unknown=1, NotChecked=0, Total=42 [2019-11-20 09:34:25,661 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand 7 states. [2019-11-20 09:34:26,076 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2019-11-20 09:34:26,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:34:26,325 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2019-11-20 09:34:26,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 09:34:26,326 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2019-11-20 09:34:26,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:34:26,326 INFO L225 Difference]: With dead ends: 30 [2019-11-20 09:34:26,327 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 09:34:26,328 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=42, Unknown=2, NotChecked=0, Total=72 [2019-11-20 09:34:26,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 09:34:26,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 09:34:26,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 09:34:26,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:34:26,329 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-11-20 09:34:26,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:34:26,329 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:34:26,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 09:34:26,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:34:26,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:34:26,532 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 09:34:26,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 09:34:31,609 WARN L191 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-11-20 09:34:31,624 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2019-11-20 09:34:31,624 INFO L444 ceAbstractionStarter]: For program point L7(lines 7 10) no Hoare annotation was computed. [2019-11-20 09:34:31,625 INFO L440 ceAbstractionStarter]: At program point L7-2(lines 30 31) the Hoare annotation is: (and (exists ((ULTIMATE.start_main_~R~0 Int)) (< (let ((.cse0 (+ ULTIMATE.start_main_~R~0 (- 1)))) (* .cse0 .cse0)) ULTIMATE.start_main_~A~0)) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (+ (* 2 ULTIMATE.start_main_~u~0) (* 4 ULTIMATE.start_main_~A~0) (* 4 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~v~0 ULTIMATE.start_main_~v~0)) (+ (* 2 ULTIMATE.start_main_~v~0) (* ULTIMATE.start_main_~u~0 ULTIMATE.start_main_~u~0)))) [2019-11-20 09:34:31,625 INFO L444 ceAbstractionStarter]: For program point L7-3(lines 7 10) no Hoare annotation was computed. [2019-11-20 09:34:31,625 INFO L440 ceAbstractionStarter]: At program point L7-5(lines 35 36) the Hoare annotation is: (and (exists ((ULTIMATE.start_main_~R~0 Int)) (< (let ((.cse0 (+ ULTIMATE.start_main_~R~0 (- 1)))) (* .cse0 .cse0)) ULTIMATE.start_main_~A~0)) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (+ (* 2 ULTIMATE.start_main_~u~0) (* 4 ULTIMATE.start_main_~A~0) (* 4 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~v~0 ULTIMATE.start_main_~v~0)) (+ (* 2 ULTIMATE.start_main_~v~0) (* ULTIMATE.start_main_~u~0 ULTIMATE.start_main_~u~0)))) [2019-11-20 09:34:31,625 INFO L444 ceAbstractionStarter]: For program point L7-6(lines 7 10) no Hoare annotation was computed. [2019-11-20 09:34:31,625 INFO L440 ceAbstractionStarter]: At program point L7-8(lines 43 44) the Hoare annotation is: (and (exists ((ULTIMATE.start_main_~R~0 Int)) (< (let ((.cse0 (+ ULTIMATE.start_main_~R~0 (- 1)))) (* .cse0 .cse0)) ULTIMATE.start_main_~A~0)) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (+ (* 2 ULTIMATE.start_main_~u~0) (* 4 ULTIMATE.start_main_~A~0) (* 4 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~v~0 ULTIMATE.start_main_~v~0)) (+ (* 2 ULTIMATE.start_main_~v~0) (* ULTIMATE.start_main_~u~0 ULTIMATE.start_main_~u~0)))) [2019-11-20 09:34:31,626 INFO L444 ceAbstractionStarter]: For program point L7-9(lines 7 10) no Hoare annotation was computed. [2019-11-20 09:34:31,626 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 09:34:31,626 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 09:34:31,626 INFO L447 ceAbstractionStarter]: At program point L7-11(lines 6 12) the Hoare annotation is: true [2019-11-20 09:34:31,626 INFO L444 ceAbstractionStarter]: For program point L28-2(lines 28 48) no Hoare annotation was computed. [2019-11-20 09:34:31,626 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2019-11-20 09:34:31,626 INFO L444 ceAbstractionStarter]: For program point L8(lines 8 9) no Hoare annotation was computed. [2019-11-20 09:34:31,627 INFO L444 ceAbstractionStarter]: For program point L41-1(lines 28 48) no Hoare annotation was computed. [2019-11-20 09:34:31,627 INFO L444 ceAbstractionStarter]: For program point L8-1(lines 8 9) no Hoare annotation was computed. [2019-11-20 09:34:31,628 INFO L440 ceAbstractionStarter]: At program point L41-2(lines 28 48) the Hoare annotation is: (let ((.cse2 (= (+ (* 2 ULTIMATE.start_main_~u~0) (* 4 ULTIMATE.start_main_~A~0) (* 4 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~v~0 ULTIMATE.start_main_~v~0)) (+ (* 2 ULTIMATE.start_main_~v~0) (* ULTIMATE.start_main_~u~0 ULTIMATE.start_main_~u~0))))) (or (let ((.cse0 (div (+ (- ULTIMATE.start_main_~u~0) 1) (- 2)))) (and (= 1 (mod ULTIMATE.start_main_~A~0 2)) (= (+ ULTIMATE.start_main_~A~0 ULTIMATE.start_main_~r~0) (* .cse0 .cse0)) (< (let ((.cse1 (+ .cse0 (- 1)))) (* .cse1 .cse1)) ULTIMATE.start_main_~A~0) (= ULTIMATE.start_main_~v~0 1) .cse2)) (and (exists ((ULTIMATE.start_main_~R~0 Int)) (< (let ((.cse3 (+ ULTIMATE.start_main_~R~0 (- 1)))) (* .cse3 .cse3)) ULTIMATE.start_main_~A~0)) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse2))) [2019-11-20 09:34:31,628 INFO L444 ceAbstractionStarter]: For program point L8-2(lines 8 9) no Hoare annotation was computed. [2019-11-20 09:34:31,628 INFO L444 ceAbstractionStarter]: For program point L8-3(lines 8 9) no Hoare annotation was computed. [2019-11-20 09:34:31,628 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 09:34:31,628 INFO L440 ceAbstractionStarter]: At program point L33-2(lines 33 39) the Hoare annotation is: (and (exists ((ULTIMATE.start_main_~R~0 Int)) (< (let ((.cse0 (+ ULTIMATE.start_main_~R~0 (- 1)))) (* .cse0 .cse0)) ULTIMATE.start_main_~A~0)) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (+ (* 2 ULTIMATE.start_main_~u~0) (* 4 ULTIMATE.start_main_~A~0) (* 4 ULTIMATE.start_main_~r~0) (* ULTIMATE.start_main_~v~0 ULTIMATE.start_main_~v~0)) (+ (* 2 ULTIMATE.start_main_~v~0) (* ULTIMATE.start_main_~u~0 ULTIMATE.start_main_~u~0)))) [2019-11-20 09:34:31,628 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2019-11-20 09:34:31,629 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2019-11-20 09:34:31,629 INFO L447 ceAbstractionStarter]: At program point L51(lines 14 52) the Hoare annotation is: true [2019-11-20 09:34:31,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,636 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,646 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,647 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,648 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,649 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,655 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:34:31 BoogieIcfgContainer [2019-11-20 09:34:31,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:34:31,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:34:31,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:34:31,659 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:34:31,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:34:15" (3/4) ... [2019-11-20 09:34:31,663 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:34:31,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-20 09:34:31,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:34:31,714 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == A % 2 && A + r == (-u + 1) / -2 * ((-u + 1) / -2)) && ((-u + 1) / -2 + -1) * ((-u + 1) / -2 + -1) < A) && v == 1) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u) || (((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u) [2019-11-20 09:34:31,714 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u [2019-11-20 09:34:31,715 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u [2019-11-20 09:34:31,716 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u [2019-11-20 09:34:31,717 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u [2019-11-20 09:34:31,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d05bd93e-4ebe-48b9-a83c-c58cd8f94e42/bin/uautomizer/witness.graphml [2019-11-20 09:34:31,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:34:31,762 INFO L168 Benchmark]: Toolchain (without parser) took 17024.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -56.8 MB). Peak memory consumption was 79.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:34:31,763 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:34:31,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:34:31,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:34:31,764 INFO L168 Benchmark]: Boogie Preprocessor took 24.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:34:31,765 INFO L168 Benchmark]: RCFGBuilder took 423.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-20 09:34:31,766 INFO L168 Benchmark]: TraceAbstraction took 16082.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.1 MB). Peak memory consumption was 102.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:34:31,767 INFO L168 Benchmark]: Witness Printer took 102.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:34:31,771 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 423.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16082.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.1 MB). Peak memory consumption was 102.1 MB. Max. memory is 11.5 GB. * Witness Printer took 102.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 43]: Loop Invariant [2019-11-20 09:34:31,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] Derived loop invariant: ((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u - InvariantResult [Line: 33]: Loop Invariant [2019-11-20 09:34:31,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] Derived loop invariant: ((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u - InvariantResult [Line: 30]: Loop Invariant [2019-11-20 09:34:31,785 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,787 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] Derived loop invariant: ((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant [2019-11-20 09:34:31,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] Derived loop invariant: ((((1 == A % 2 && A + r == (-u + 1) / -2 * ((-u + 1) / -2)) && ((-u + 1) / -2 + -1) * ((-u + 1) / -2 + -1) < A) && v == 1) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u) || (((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u) - InvariantResult [Line: 35]: Loop Invariant [2019-11-20 09:34:31,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,796 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,799 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] [2019-11-20 09:34:31,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~R~0,QUANTIFIED] Derived loop invariant: ((\exists ULTIMATE.start_main_~R~0 : int :: (ULTIMATE.start_main_~R~0 + -1) * (ULTIMATE.start_main_~R~0 + -1) < A) && 1 == cond) && 2 * u + 4 * A + 4 * r + v * v == 2 * v + u * u - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 4 error locations. Result: SAFE, OverallTime: 15.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, HoareTripleCheckerStatistics: 16 SDtfs, 43 SDslu, 26 SDs, 0 SdLazy, 59 SolverSat, 22 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=1, 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, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 22 NumberOfFragments, 244 HoareAnnotationTreeSize, 7 FomulaSimplifications, 434 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 4 QuantifiedInterpolants, 1050 SizeOfPredicates, 16 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...