./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/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 6f9a2fcb1012f2ff72c6593976c4936a90359f50 ............................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:27:57,793 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:27:57,794 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:27:57,801 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:27:57,801 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:27:57,802 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:27:57,802 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:27:57,803 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:27:57,804 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:27:57,805 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:27:57,806 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:27:57,806 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:27:57,807 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:27:57,808 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:27:57,808 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:27:57,809 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:27:57,810 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:27:57,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:27:57,812 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:27:57,814 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:27:57,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:27:57,815 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:27:57,817 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:27:57,817 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:27:57,817 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:27:57,818 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:27:57,819 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:27:57,820 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:27:57,821 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:27:57,821 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:27:57,821 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:27:57,822 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:27:57,822 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:27:57,822 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:27:57,823 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:27:57,823 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:27:57,824 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 00:27:57,833 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:27:57,833 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:27:57,834 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:27:57,834 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:27:57,834 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:27:57,835 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:27:57,835 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:27:57,835 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:27:57,835 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:27:57,835 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:27:57,835 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:27:57,835 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:27:57,836 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:27:57,836 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:27:57,836 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:27:57,836 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:27:57,836 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:27:57,836 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:27:57,836 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:27:57,836 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:27:57,837 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:27:57,837 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:27:57,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:27:57,837 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:27:57,837 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:27:57,837 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:27:57,837 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 00:27:57,839 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:27:57,839 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:27:57,839 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/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 -> 6f9a2fcb1012f2ff72c6593976c4936a90359f50 [2018-11-23 00:27:57,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:27:57,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:27:57,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:27:57,868 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:27:57,869 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:27:57,869 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-23 00:27:57,911 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/ukojak/data/4c3b92aa2/fa06a095167542a9bd84f765348f084d/FLAGbb69f4079 [2018-11-23 00:27:58,357 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:27:58,358 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-23 00:27:58,367 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/ukojak/data/4c3b92aa2/fa06a095167542a9bd84f765348f084d/FLAGbb69f4079 [2018-11-23 00:27:58,379 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/ukojak/data/4c3b92aa2/fa06a095167542a9bd84f765348f084d [2018-11-23 00:27:58,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:27:58,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:27:58,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:27:58,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:27:58,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:27:58,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:58" (1/1) ... [2018-11-23 00:27:58,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585def0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:58, skipping insertion in model container [2018-11-23 00:27:58,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:58" (1/1) ... [2018-11-23 00:27:58,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:27:58,433 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:27:58,694 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:27:58,697 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:27:58,783 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:27:58,795 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:27:58,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:58 WrapperNode [2018-11-23 00:27:58,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:27:58,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:27:58,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:27:58,796 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:27:58,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:58" (1/1) ... [2018-11-23 00:27:58,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:58" (1/1) ... [2018-11-23 00:27:58,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:27:58,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:27:58,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:27:58,938 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:27:58,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:58" (1/1) ... [2018-11-23 00:27:58,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:58" (1/1) ... [2018-11-23 00:27:58,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:58" (1/1) ... [2018-11-23 00:27:58,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:58" (1/1) ... [2018-11-23 00:27:58,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:58" (1/1) ... [2018-11-23 00:27:58,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:58" (1/1) ... [2018-11-23 00:27:58,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:58" (1/1) ... [2018-11-23 00:27:58,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:27:58,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:27:58,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:27:58,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:27:58,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/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 [2018-11-23 00:27:59,022 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 00:27:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:27:59,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:31:41,161 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:31:41,161 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 00:31:41,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:41 BoogieIcfgContainer [2018-11-23 00:31:41,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:31:41,162 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:31:41,162 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:31:41,174 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:31:41,174 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:41" (1/1) ... [2018-11-23 00:31:41,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:31:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:31:41,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 00:31:41,223 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 00:31:41,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 00:31:41,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:31:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:41,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:41,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:31:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 00:31:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 00:31:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 00:31:41,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:31:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:41,894 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 15 [2018-11-23 00:31:41,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:31:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:31:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2018-11-23 00:31:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2018-11-23 00:31:52,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:31:52,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:31:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:31:53,544 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:32:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:32:04,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2018-11-23 00:32:04,296 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2018-11-23 00:32:04,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:32:04,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:32:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:32:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:32:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:32:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2018-11-23 00:32:05,447 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2018-11-23 00:32:05,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 00:32:05,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:32:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:32:06,160 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:32:06,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:32:06,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2018-11-23 00:32:06,324 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2018-11-23 00:32:06,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 00:32:06,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:32:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:32:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:32:20,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:32:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2018-11-23 00:32:20,378 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2018-11-23 00:32:20,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 00:32:20,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:32:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:32:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:32:21,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:32:21,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 87 transitions. [2018-11-23 00:32:21,098 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2018-11-23 00:32:21,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 00:32:21,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:32:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:32:21,804 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 00:32:42,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:32:42,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2018-11-23 00:32:42,062 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2018-11-23 00:32:42,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:32:42,063 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-23 00:32:42,071 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 00:32:42,238 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-23 00:32:42,245 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-23 00:32:42,246 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:32:42,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:32:42 ImpRootNode [2018-11-23 00:32:42,246 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:32:42,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:32:42,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:32:42,247 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:32:42,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:41" (3/4) ... [2018-11-23 00:32:42,251 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:32:42,268 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-11-23 00:32:42,269 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 00:32:42,270 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 00:32:42,272 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:32:42,405 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bcbec0f2-de3e-474b-ac2e-43c1a0a6e670/bin-2019/ukojak/witness.graphml [2018-11-23 00:32:42,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:32:42,405 INFO L168 Benchmark]: Toolchain (without parser) took 284023.27 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 459.8 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -389.7 MB). Peak memory consumption was 546.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:32:42,406 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:32:42,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.13 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:32:42,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -224.7 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:32:42,407 INFO L168 Benchmark]: Boogie Preprocessor took 50.41 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:32:42,407 INFO L168 Benchmark]: RCFGBuilder took 222172.84 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 29.9 MB). Free memory was 1.1 GB in the beginning and 862.8 MB in the end (delta: 267.3 MB). Peak memory consumption was 377.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:32:42,407 INFO L168 Benchmark]: CodeCheck took 61084.10 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.1 MB). Free memory was 862.8 MB in the beginning and 834.2 MB in the end (delta: 28.7 MB). Peak memory consumption was 224.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:32:42,407 INFO L168 Benchmark]: Witness Printer took 158.41 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 77.1 MB). Free memory was 834.2 MB in the beginning and 1.3 GB in the end (delta: -512.1 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2018-11-23 00:32:42,409 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 245 locations, 1 error locations. SAFE Result, 60.8s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1648 SDtfs, 3496 SDslu, 2272 SDs, 0 SdLazy, 9892 SolverSat, 1504 SolverUnsat, 204 SolverUnknown, 0 SolverNotchecked, 191.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1078 GetRequests, 935 SyntacticMatches, 37 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6695 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 19404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 36/111 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 145]: 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: 20]: Loop Invariant Derived loop invariant: (((!(a21 == 9) || a12 + 43 <= 0) || 11 < a12) || !(a15 == 5)) || !(a24 == 1) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((12 <= a12 || a12 + 43 <= 0) || !(a15 == 5)) || !(a21 == 9)) || !(a24 == 1) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 412.13 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -224.7 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.41 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 222172.84 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 29.9 MB). Free memory was 1.1 GB in the beginning and 862.8 MB in the end (delta: 267.3 MB). Peak memory consumption was 377.3 MB. Max. memory is 11.5 GB. * CodeCheck took 61084.10 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.1 MB). Free memory was 862.8 MB in the beginning and 834.2 MB in the end (delta: 28.7 MB). Peak memory consumption was 224.7 MB. Max. memory is 11.5 GB. * Witness Printer took 158.41 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 77.1 MB). Free memory was 834.2 MB in the beginning and 1.3 GB in the end (delta: -512.1 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...