./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_1.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_439fcbca-40bc-4fa2-8462-ab67410177a3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_439fcbca-40bc-4fa2-8462-ab67410177a3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_439fcbca-40bc-4fa2-8462-ab67410177a3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_439fcbca-40bc-4fa2-8462-ab67410177a3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_439fcbca-40bc-4fa2-8462-ab67410177a3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_439fcbca-40bc-4fa2-8462-ab67410177a3/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 c28500fb39e284eb130c0904f2ebec477741685a .................................................................................................................................................................................................................. 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 03:43:52,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:43:52,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:43:52,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:43:52,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:43:52,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:43:52,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:43:52,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:43:52,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:43:52,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:43:52,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:43:52,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:43:52,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:43:52,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:43:52,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:43:52,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:43:52,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:43:52,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:43:52,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:43:52,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:43:52,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:43:52,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:43:52,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:43:52,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:43:52,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:43:52,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:43:52,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:43:52,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:43:52,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:43:52,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:43:52,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:43:52,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:43:52,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:43:52,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:43:52,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:43:52,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:43:52,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:43:52,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:43:52,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:43:52,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:43:52,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:43:52,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_439fcbca-40bc-4fa2-8462-ab67410177a3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 03:43:52,867 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:43:52,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:43:52,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 03:43:52,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 03:43:52,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:43:52,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:43:52,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:43:52,869 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:43:52,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:43:52,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:43:52,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:43:52,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:43:52,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:43:52,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:43:52,871 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:43:52,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:43:52,871 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:43:52,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:43:52,872 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 03:43:52,872 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 03:43:52,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:43:52,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:43:52,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:43:52,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:43:52,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:43:52,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:43:52,874 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 03:43:52,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:43:52,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:43:52,874 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_439fcbca-40bc-4fa2-8462-ab67410177a3/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 -> c28500fb39e284eb130c0904f2ebec477741685a [2019-11-20 03:43:53,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:43:53,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:43:53,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:43:53,028 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:43:53,029 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:43:53,029 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_439fcbca-40bc-4fa2-8462-ab67410177a3/bin/ukojak/../../sv-benchmarks/c/loops/while_infinite_loop_1.c [2019-11-20 03:43:53,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_439fcbca-40bc-4fa2-8462-ab67410177a3/bin/ukojak/data/952d7c9c6/d1d814cb56e14af8ae90e7ee7b668d85/FLAGe7a11b906 [2019-11-20 03:43:53,462 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:43:53,462 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_439fcbca-40bc-4fa2-8462-ab67410177a3/sv-benchmarks/c/loops/while_infinite_loop_1.c [2019-11-20 03:43:53,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_439fcbca-40bc-4fa2-8462-ab67410177a3/bin/ukojak/data/952d7c9c6/d1d814cb56e14af8ae90e7ee7b668d85/FLAGe7a11b906 [2019-11-20 03:43:53,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_439fcbca-40bc-4fa2-8462-ab67410177a3/bin/ukojak/data/952d7c9c6/d1d814cb56e14af8ae90e7ee7b668d85 [2019-11-20 03:43:53,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:43:53,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:43:53,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:43:53,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:43:53,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:43:53,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:43:53" (1/1) ... [2019-11-20 03:43:53,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1e198c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:43:53, skipping insertion in model container [2019-11-20 03:43:53,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:43:53" (1/1) ... [2019-11-20 03:43:53,498 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:43:53,512 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:43:53,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:43:53,696 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:43:53,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:43:53,785 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:43:53,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:43:53 WrapperNode [2019-11-20 03:43:53,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:43:53,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:43:53,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:43:53,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:43:53,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:43:53" (1/1) ... [2019-11-20 03:43:53,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:43:53" (1/1) ... [2019-11-20 03:43:53,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:43:53,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:43:53,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:43:53,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:43:53,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:43:53" (1/1) ... [2019-11-20 03:43:53,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:43:53" (1/1) ... [2019-11-20 03:43:53,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:43:53" (1/1) ... [2019-11-20 03:43:53,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:43:53" (1/1) ... [2019-11-20 03:43:53,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:43:53" (1/1) ... [2019-11-20 03:43:53,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:43:53" (1/1) ... [2019-11-20 03:43:53,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:43:53" (1/1) ... [2019-11-20 03:43:53,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:43:53,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:43:53,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:43:53,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:43:53,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:43:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_439fcbca-40bc-4fa2-8462-ab67410177a3/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 [2019-11-20 03:43:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:43:53,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:43:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-20 03:43:53,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-20 03:43:54,014 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:43:54,014 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 03:43:54,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:43:54 BoogieIcfgContainer [2019-11-20 03:43:54,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:43:54,016 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 03:43:54,016 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 03:43:54,026 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 03:43:54,026 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:43:54" (1/1) ... [2019-11-20 03:43:54,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:43:54,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:43:54,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2019-11-20 03:43:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-11-20 03:43:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 03:43:54,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:43:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:43:54,149 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 03:43:54,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:43:54,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 9 transitions. [2019-11-20 03:43:54,157 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-20 03:43:54,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 03:43:54,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:43:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:43:54,241 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 03:43:54,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:43:54,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 7 states and 7 transitions. [2019-11-20 03:43:54,365 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-20 03:43:54,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:43:54,366 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2019-11-20 03:43:54,374 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 03:43:54,401 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:43:54,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 03:43:54 ImpRootNode [2019-11-20 03:43:54,405 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 03:43:54,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:43:54,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:43:54,406 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:43:54,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:43:54" (3/4) ... [2019-11-20 03:43:54,409 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:43:54,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-11-20 03:43:54,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-20 03:43:54,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 03:43:54,447 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_439fcbca-40bc-4fa2-8462-ab67410177a3/bin/ukojak/witness.graphml [2019-11-20 03:43:54,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:43:54,449 INFO L168 Benchmark]: Toolchain (without parser) took 965.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.8 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:43:54,450 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:43:54,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.8 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:43:54,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.00 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 03:43:54,451 INFO L168 Benchmark]: Boogie Preprocessor took 17.04 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 03:43:54,452 INFO L168 Benchmark]: RCFGBuilder took 182.80 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:43:54,452 INFO L168 Benchmark]: CodeCheck took 389.39 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: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:43:54,453 INFO L168 Benchmark]: Witness Printer took 42.40 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 03:43:54,456 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, 12 locations, 1 error locations. Result: SAFE, OverallTime: 0.3s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 4 SDslu, 8 SDs, 0 SdLazy, 26 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 5]: 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: 13]: 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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 952.8 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.00 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 17.04 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. * RCFGBuilder took 182.80 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 389.39 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: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Witness Printer took 42.40 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. RESULT: Ultimate proved your program to be correct! Received shutdown request...