./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/geo2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/geo2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7bdada4fc52dad412ed93c40a757100b673eede ............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 23:36:13,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 23:36:13,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 23:36:13,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 23:36:13,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 23:36:13,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 23:36:13,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 23:36:13,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 23:36:13,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 23:36:13,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 23:36:13,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 23:36:13,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 23:36:13,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 23:36:13,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 23:36:13,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 23:36:13,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 23:36:13,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 23:36:13,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 23:36:13,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 23:36:13,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 23:36:13,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 23:36:13,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 23:36:13,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 23:36:13,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 23:36:13,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 23:36:13,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 23:36:13,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 23:36:13,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 23:36:13,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 23:36:13,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 23:36:13,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 23:36:13,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 23:36:13,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 23:36:13,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 23:36:13,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 23:36:13,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 23:36:13,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 23:36:13,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 23:36:13,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 23:36:13,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 23:36:13,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 23:36:13,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 23:36:13,812 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 23:36:13,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 23:36:13,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 23:36:13,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 23:36:13,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 23:36:13,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 23:36:13,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 23:36:13,814 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 23:36:13,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 23:36:13,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 23:36:13,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 23:36:13,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 23:36:13,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 23:36:13,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 23:36:13,815 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 23:36:13,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 23:36:13,816 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 23:36:13,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 23:36:13,816 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 23:36:13,816 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 23:36:13,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 23:36:13,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 23:36:13,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 23:36:13,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 23:36:13,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 23:36:13,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 23:36:13,817 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 23:36:13,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 23:36:13,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 23:36:13,818 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_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak 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 -> Kojak 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 -> f7bdada4fc52dad412ed93c40a757100b673eede [2019-12-01 23:36:13,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 23:36:13,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 23:36:13,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 23:36:13,941 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 23:36:13,941 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 23:36:13,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak/../../sv-benchmarks/c/nla-digbench/geo2.c [2019-12-01 23:36:13,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak/data/c5bf5652d/684e2951d6ee40969e86018a12fb3b0e/FLAG18dde308e [2019-12-01 23:36:14,391 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 23:36:14,391 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/sv-benchmarks/c/nla-digbench/geo2.c [2019-12-01 23:36:14,395 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak/data/c5bf5652d/684e2951d6ee40969e86018a12fb3b0e/FLAG18dde308e [2019-12-01 23:36:14,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak/data/c5bf5652d/684e2951d6ee40969e86018a12fb3b0e [2019-12-01 23:36:14,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 23:36:14,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 23:36:14,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 23:36:14,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 23:36:14,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 23:36:14,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:36:14" (1/1) ... [2019-12-01 23:36:14,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d50c974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:14, skipping insertion in model container [2019-12-01 23:36:14,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:36:14" (1/1) ... [2019-12-01 23:36:14,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 23:36:14,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 23:36:14,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:36:14,545 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 23:36:14,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:36:14,603 INFO L208 MainTranslator]: Completed translation [2019-12-01 23:36:14,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:14 WrapperNode [2019-12-01 23:36:14,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 23:36:14,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 23:36:14,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 23:36:14,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 23:36:14,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:14" (1/1) ... [2019-12-01 23:36:14,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:14" (1/1) ... [2019-12-01 23:36:14,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 23:36:14,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 23:36:14,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 23:36:14,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 23:36:14,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:14" (1/1) ... [2019-12-01 23:36:14,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:14" (1/1) ... [2019-12-01 23:36:14,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:14" (1/1) ... [2019-12-01 23:36:14,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:14" (1/1) ... [2019-12-01 23:36:14,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:14" (1/1) ... [2019-12-01 23:36:14,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:14" (1/1) ... [2019-12-01 23:36:14,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:14" (1/1) ... [2019-12-01 23:36:14,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 23:36:14,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 23:36:14,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 23:36:14,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 23:36:14,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:36:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-12-01 23:36:14,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 23:36:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 23:36:14,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-12-01 23:36:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-12-01 23:36:14,782 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 23:36:14,782 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-01 23:36:14,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:36:14 BoogieIcfgContainer [2019-12-01 23:36:14,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 23:36:14,784 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 23:36:14,784 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 23:36:14,791 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 23:36:14,791 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:36:14" (1/1) ... [2019-12-01 23:36:14,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 23:36:14,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:14,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2019-12-01 23:36:14,820 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-12-01 23:36:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 23:36:14,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:14,890 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-01 23:36:14,895 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 23:36:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-12-01 23:36:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-12-01 23:36:14,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 23:36:14,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:15,007 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-01 23:36:15,008 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 23:36:15,043 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 23:36:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:15,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2019-12-01 23:36:15,164 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2019-12-01 23:36:15,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 23:36:15,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:15,179 INFO L264 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 19 conjunts are in the unsatisfiable core [2019-12-01 23:36:15,180 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 23:36:15,252 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 23:36:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:37,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2019-12-01 23:36:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2019-12-01 23:36:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 23:36:37,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:37,380 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 28 conjunts are in the unsatisfiable core [2019-12-01 23:36:37,382 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 23:36:37,470 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 23:36:37,475 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 23:36:38,364 WARN L838 $PredicateComparison]: unable to prove that (and (not (= c_ULTIMATE.start_main_~x~0 1)) (= (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~y~0) c_ULTIMATE.start_main_~x~0) (+ (* c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~z~0) 1)) (not (and (= c_ULTIMATE.start_main_~x~0 (+ c_ULTIMATE.start_main_~z~0 1)) (exists ((v_ULTIMATE.start_main_~y~0_12 Int)) (and (= c_ULTIMATE.start_main_~z~0 (* c_ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~y~0_12)) (= c_ULTIMATE.start_main_~y~0 (* v_ULTIMATE.start_main_~y~0_12 c_ULTIMATE.start_main_~z~0))))))) is different from false [2019-12-01 23:37:06,590 WARN L192 SmtUtils]: Spent 8.25 s on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2019-12-01 23:37:44,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:44,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2019-12-01 23:37:44,412 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2019-12-01 23:37:44,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 23:37:44,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:44,428 INFO L264 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 30 conjunts are in the unsatisfiable core [2019-12-01 23:37:44,430 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 23:37:45,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 23:37:45,494 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 23:38:37,324 WARN L192 SmtUtils]: Spent 25.53 s on a formula simplification. DAG size of input: 29 DAG size of output: 19 [2019-12-01 23:40:07,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:07,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2019-12-01 23:40:07,154 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2019-12-01 23:40:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 23:40:07,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:07,174 INFO L264 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 28 conjunts are in the unsatisfiable core [2019-12-01 23:40:07,176 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 23:40:07,352 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_main_~y~0_17 Int)) (= c_ULTIMATE.start_main_~z~0 (* c_ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~y~0_17))) is different from true [2019-12-01 23:40:34,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-01 23:40:34,393 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 16 not checked. [2019-12-01 23:40:34,580 WARN L838 $PredicateComparison]: unable to prove that (not (exists ((v_ULTIMATE.start_main_~y~0_17 Int)) (= c_ULTIMATE.start_main_~z~0 (* c_ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~y~0_17)))) is different from false [2019-12-01 23:40:39,913 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_ULTIMATE.start_main_~z~0 1))) (and (not (= c_ULTIMATE.start_main_~x~0 .cse0)) (exists ((v_ULTIMATE.start_main_~y~0_16 Int)) (and (let ((.cse1 (* (+ c_ULTIMATE.start_main_~z~0 1) c_ULTIMATE.start_main_~z~0))) (= (+ (* c_ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~y~0_16) .cse1) (* (+ .cse1 1) c_ULTIMATE.start_main_~z~0))) (= c_ULTIMATE.start_main_~y~0 (* v_ULTIMATE.start_main_~y~0_16 c_ULTIMATE.start_main_~z~0)))) (not (exists ((v_ULTIMATE.start_main_~y~0_17 Int)) (= c_ULTIMATE.start_main_~z~0 (* c_ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~y~0_17)))) (= c_ULTIMATE.start_main_~x~0 (+ (* (+ (* .cse0 c_ULTIMATE.start_main_~z~0) 1) c_ULTIMATE.start_main_~z~0) 1)))) is different from false [2019-12-01 23:40:40,205 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse0 (+ c_ULTIMATE.start_main_~z~0 1))) (and (not (= c_ULTIMATE.start_main_~x~0 .cse0)) (exists ((v_ULTIMATE.start_main_~y~0_16 Int)) (and (let ((.cse1 (* (+ c_ULTIMATE.start_main_~z~0 1) c_ULTIMATE.start_main_~z~0))) (= (+ (* c_ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~y~0_16) .cse1) (* (+ .cse1 1) c_ULTIMATE.start_main_~z~0))) (= c_ULTIMATE.start_main_~y~0 (* v_ULTIMATE.start_main_~y~0_16 c_ULTIMATE.start_main_~z~0)))) (not (exists ((v_ULTIMATE.start_main_~y~0_17 Int)) (= c_ULTIMATE.start_main_~z~0 (* c_ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~y~0_17)))) (= c_ULTIMATE.start_main_~x~0 (+ (* (+ (* .cse0 c_ULTIMATE.start_main_~z~0) 1) c_ULTIMATE.start_main_~z~0) 1))))) is different from true [2019-12-01 23:42:16,067 WARN L192 SmtUtils]: Spent 46.73 s on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-12-01 23:43:24,044 WARN L192 SmtUtils]: Spent 10.11 s on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2019-12-01 23:43:38,994 WARN L192 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 31 [2019-12-01 23:44:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:44:30,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 40 transitions. [2019-12-01 23:44:30,722 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2019-12-01 23:44:30,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 23:44:30,722 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2019-12-01 23:44:30,728 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 23:45:14,583 WARN L192 SmtUtils]: Spent 43.85 s on a formula simplification. DAG size of input: 62 DAG size of output: 20 [2019-12-01 23:45:55,106 WARN L192 SmtUtils]: Spent 40.50 s on a formula simplification. DAG size of input: 62 DAG size of output: 20 [2019-12-01 23:45:55,109 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2019-12-01 23:45:55,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] [2019-12-01 23:45:55,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] [2019-12-01 23:45:55,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] [2019-12-01 23:45:55,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] [2019-12-01 23:45:55,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] [2019-12-01 23:45:55,118 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] [2019-12-01 23:45:55,119 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] [2019-12-01 23:45:55,119 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] [2019-12-01 23:45:55,119 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] [2019-12-01 23:45:55,119 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] [2019-12-01 23:45:55,120 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 23:45:55,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 11:45:55 ImpRootNode [2019-12-01 23:45:55,120 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 23:45:55,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 23:45:55,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 23:45:55,121 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 23:45:55,121 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:36:14" (3/4) ... [2019-12-01 23:45:55,123 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 23:45:55,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-12-01 23:45:55,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-01 23:45:55,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 23:45:55,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 23:45:55,146 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == 1 && y == 1) || (\exists v_ULTIMATE.start_main_~y~0_18 : int, v_ULTIMATE.start_main_~x~0_19 : int :: (y == v_ULTIMATE.start_main_~y~0_18 * z && z * v_ULTIMATE.start_main_~y~0_18 + v_ULTIMATE.start_main_~x~0_19 == v_ULTIMATE.start_main_~x~0_19 * z + 1) && x == v_ULTIMATE.start_main_~x~0_19 * z + 1) [2019-12-01 23:45:55,159 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9dbefbba-df17-4d04-b943-a243f9d7bc2e/bin/ukojak/witness.graphml [2019-12-01 23:45:55,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 23:45:55,160 INFO L168 Benchmark]: Toolchain (without parser) took 580752.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 939.9 MB in the beginning and 910.8 MB in the end (delta: 29.1 MB). Peak memory consumption was 144.9 MB. Max. memory is 11.5 GB. [2019-12-01 23:45:55,160 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:45:55,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-01 23:45:55,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:45:55,161 INFO L168 Benchmark]: Boogie Preprocessor took 12.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:45:55,161 INFO L168 Benchmark]: RCFGBuilder took 146.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. [2019-12-01 23:45:55,162 INFO L168 Benchmark]: CodeCheck took 580336.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 917.6 MB in the end (delta: 176.3 MB). Peak memory consumption was 176.3 MB. Max. memory is 11.5 GB. [2019-12-01 23:45:55,162 INFO L168 Benchmark]: Witness Printer took 38.58 ms. Allocated memory is still 1.1 GB. Free memory was 917.6 MB in the beginning and 910.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-01 23:45:55,164 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 13 locations, 1 error locations. Result: SAFE, OverallTime: 495.9s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 352 SDtfs, 316 SDslu, 362 SDs, 0 SdLazy, 1666 SolverSat, 640 SolverUnsat, 44 SolverUnknown, 0 SolverNotchecked, 150.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 963 GetRequests, 878 SyntacticMatches, 21 SemanticMatches, 64 ConstructedPredicates, 5 IntricatePredicates, 1 DeprecatedPredicates, 1299 ImplicationChecksByTransitivity, 425.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 28.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 106 ConstructedInterpolants, 19 QuantifiedInterpolants, 14933 SizeOfPredicates, 23 NumberOfNonLiveVariables, 336 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 52/112 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant [2019-12-01 23:45:55,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] [2019-12-01 23:45:55,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] [2019-12-01 23:45:55,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] [2019-12-01 23:45:55,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] [2019-12-01 23:45:55,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] [2019-12-01 23:45:55,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] [2019-12-01 23:45:55,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] [2019-12-01 23:45:55,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] [2019-12-01 23:45:55,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] [2019-12-01 23:45:55,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] Derived loop invariant: (x == 1 && y == 1) || (\exists v_ULTIMATE.start_main_~y~0_18 : int, v_ULTIMATE.start_main_~x~0_19 : int :: (y == v_ULTIMATE.start_main_~y~0_18 * z && z * v_ULTIMATE.start_main_~y~0_18 + v_ULTIMATE.start_main_~x~0_19 == v_ULTIMATE.start_main_~x~0_19 * z + 1) && x == v_ULTIMATE.start_main_~x~0_19 * z + 1) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 194.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 146.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 11.5 GB. * CodeCheck took 580336.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 917.6 MB in the end (delta: 176.3 MB). Peak memory consumption was 176.3 MB. Max. memory is 11.5 GB. * Witness Printer took 38.58 ms. Allocated memory is still 1.1 GB. Free memory was 917.6 MB in the beginning and 910.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. 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[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~y~0_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~x~0_19,QUANTIFIED] RESULT: Ultimate proved your program to be correct! Received shutdown request...