./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_3.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_a6180d5f-fe41-46bb-b000-5a67af2910de/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a6180d5f-fe41-46bb-b000-5a67af2910de/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a6180d5f-fe41-46bb-b000-5a67af2910de/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a6180d5f-fe41-46bb-b000-5a67af2910de/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a6180d5f-fe41-46bb-b000-5a67af2910de/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a6180d5f-fe41-46bb-b000-5a67af2910de/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 d98e71a1078b2449fb14cda1ae702f0946372561 ......................................................................................................................................................................................................................... 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 05:06:32,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 05:06:32,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 05:06:32,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 05:06:32,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 05:06:32,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 05:06:32,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 05:06:32,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 05:06:32,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 05:06:32,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 05:06:32,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 05:06:32,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 05:06:32,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 05:06:32,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 05:06:32,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 05:06:32,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 05:06:32,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 05:06:32,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 05:06:32,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 05:06:32,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 05:06:32,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 05:06:32,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 05:06:32,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 05:06:32,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 05:06:32,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 05:06:32,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 05:06:32,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 05:06:32,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 05:06:32,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 05:06:32,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 05:06:32,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 05:06:32,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 05:06:32,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 05:06:32,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 05:06:32,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 05:06:32,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 05:06:32,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 05:06:32,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 05:06:32,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 05:06:32,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 05:06:32,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 05:06:32,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a6180d5f-fe41-46bb-b000-5a67af2910de/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 05:06:32,886 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 05:06:32,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 05:06:32,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 05:06:32,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 05:06:32,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 05:06:32,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 05:06:32,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 05:06:32,888 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 05:06:32,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 05:06:32,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 05:06:32,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 05:06:32,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 05:06:32,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 05:06:32,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 05:06:32,889 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 05:06:32,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 05:06:32,889 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 05:06:32,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 05:06:32,889 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 05:06:32,890 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 05:06:32,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 05:06:32,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 05:06:32,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 05:06:32,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 05:06:32,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 05:06:32,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 05:06:32,891 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 05:06:32,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 05:06:32,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 05:06:32,891 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_a6180d5f-fe41-46bb-b000-5a67af2910de/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 -> d98e71a1078b2449fb14cda1ae702f0946372561 [2019-12-01 05:06:33,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 05:06:33,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 05:06:33,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 05:06:33,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 05:06:33,019 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 05:06:33,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a6180d5f-fe41-46bb-b000-5a67af2910de/bin/ukojak/../../sv-benchmarks/c/loops/while_infinite_loop_3.c [2019-12-01 05:06:33,060 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6180d5f-fe41-46bb-b000-5a67af2910de/bin/ukojak/data/cc3643e0c/dfcdbe23c19b4c11be3bc19117b24c10/FLAG3cb0d03bf [2019-12-01 05:06:33,393 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 05:06:33,394 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a6180d5f-fe41-46bb-b000-5a67af2910de/sv-benchmarks/c/loops/while_infinite_loop_3.c [2019-12-01 05:06:33,397 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a6180d5f-fe41-46bb-b000-5a67af2910de/bin/ukojak/data/cc3643e0c/dfcdbe23c19b4c11be3bc19117b24c10/FLAG3cb0d03bf [2019-12-01 05:06:33,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a6180d5f-fe41-46bb-b000-5a67af2910de/bin/ukojak/data/cc3643e0c/dfcdbe23c19b4c11be3bc19117b24c10 [2019-12-01 05:06:33,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 05:06:33,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 05:06:33,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 05:06:33,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 05:06:33,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 05:06:33,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:06:33" (1/1) ... [2019-12-01 05:06:33,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1d1bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:33, skipping insertion in model container [2019-12-01 05:06:33,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:06:33" (1/1) ... [2019-12-01 05:06:33,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 05:06:33,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 05:06:33,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 05:06:33,959 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 05:06:33,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 05:06:34,007 INFO L208 MainTranslator]: Completed translation [2019-12-01 05:06:34,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:34 WrapperNode [2019-12-01 05:06:34,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 05:06:34,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 05:06:34,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 05:06:34,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 05:06:34,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:34" (1/1) ... [2019-12-01 05:06:34,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:34" (1/1) ... [2019-12-01 05:06:34,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 05:06:34,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 05:06:34,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 05:06:34,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 05:06:34,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:34" (1/1) ... [2019-12-01 05:06:34,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:34" (1/1) ... [2019-12-01 05:06:34,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:34" (1/1) ... [2019-12-01 05:06:34,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:34" (1/1) ... [2019-12-01 05:06:34,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:34" (1/1) ... [2019-12-01 05:06:34,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:34" (1/1) ... [2019-12-01 05:06:34,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:34" (1/1) ... [2019-12-01 05:06:34,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 05:06:34,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 05:06:34,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 05:06:34,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 05:06:34,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a6180d5f-fe41-46bb-b000-5a67af2910de/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 05:06:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 05:06:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 05:06:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-12-01 05:06:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-12-01 05:06:34,175 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 05:06:34,175 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-01 05:06:34,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:06:34 BoogieIcfgContainer [2019-12-01 05:06:34,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 05:06:34,176 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 05:06:34,176 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 05:06:34,183 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 05:06:34,184 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:06:34" (1/1) ... [2019-12-01 05:06:34,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 05:06:34,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:06:34,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2019-12-01 05:06:34,213 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-12-01 05:06:34,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 05:06:34,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:06:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:06:34,278 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 05:06:34,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:06:34,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 9 transitions. [2019-12-01 05:06:34,285 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-12-01 05:06:34,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 05:06:34,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:06:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:06:34,333 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 05:06:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:06:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 7 transitions. [2019-12-01 05:06:34,378 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-12-01 05:06:34,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 05:06:34,378 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2019-12-01 05:06:34,389 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 05:06:34,399 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 05:06:34,402 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 05:06:34,406 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 05:06:34,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:06:34 ImpRootNode [2019-12-01 05:06:34,406 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 05:06:34,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 05:06:34,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 05:06:34,407 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 05:06:34,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:06:34" (3/4) ... [2019-12-01 05:06:34,409 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 05:06:34,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-12-01 05:06:34,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-01 05:06:34,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 05:06:34,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 05:06:34,444 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a6180d5f-fe41-46bb-b000-5a67af2910de/bin/ukojak/witness.graphml [2019-12-01 05:06:34,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 05:06:34,446 INFO L168 Benchmark]: Toolchain (without parser) took 615.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -84.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 05:06:34,446 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 05:06:34,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-01 05:06:34,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.88 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 05:06:34,447 INFO L168 Benchmark]: Boogie Preprocessor took 11.60 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 05:06:34,447 INFO L168 Benchmark]: RCFGBuilder took 135.64 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-01 05:06:34,448 INFO L168 Benchmark]: CodeCheck took 230.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-12-01 05:06:34,448 INFO L168 Benchmark]: Witness Printer took 37.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 05:06:34,450 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: 0.1s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 22 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 90 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: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 == x - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.88 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 11.60 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 135.64 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * CodeCheck took 230.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Witness Printer took 37.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...