./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008_true-unreach-call.c.i.v+lhb-reducer.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_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008_true-unreach-call.c.i.v+lhb-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/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 c8a6493762f89d18a23d3a0b9dc19677bd5f4752 .............................................................................................................................................................................................................................................................................. 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 00:29:24,790 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:29:24,791 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:29:24,798 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:29:24,798 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:29:24,798 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:29:24,799 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:29:24,800 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:29:24,801 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:29:24,802 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:29:24,802 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:29:24,803 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:29:24,803 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:29:24,804 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:29:24,805 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:29:24,805 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:29:24,806 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:29:24,807 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:29:24,808 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:29:24,809 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:29:24,810 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:29:24,811 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:29:24,812 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:29:24,813 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:29:24,813 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:29:24,813 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:29:24,814 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:29:24,814 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:29:24,815 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:29:24,816 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:29:24,816 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:29:24,816 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:29:24,817 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:29:24,817 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:29:24,817 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:29:24,818 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:29:24,818 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 00:29:24,828 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:29:24,828 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:29:24,829 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:29:24,829 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:29:24,830 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:29:24,830 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:29:24,830 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:29:24,830 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:29:24,830 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:29:24,831 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:29:24,831 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:29:24,831 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:29:24,831 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:29:24,831 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:29:24,831 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:29:24,831 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:29:24,832 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:29:24,832 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:29:24,832 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:29:24,832 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:29:24,832 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:29:24,832 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:29:24,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:29:24,833 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:29:24,833 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:29:24,833 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:29:24,833 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 00:29:24,833 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:29:24,833 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:29:24,834 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_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/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 -> c8a6493762f89d18a23d3a0b9dc19677bd5f4752 [2018-11-23 00:29:24,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:29:24,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:29:24,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:29:24,866 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:29:24,867 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:29:24,867 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/bin-2019/ukojak/../../sv-benchmarks/c/loop-lit/gsv2008_true-unreach-call.c.i.v+lhb-reducer.c [2018-11-23 00:29:24,901 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/bin-2019/ukojak/data/c19c0007c/0aa0fee1e54b4be4b5d6305752e50fa6/FLAG75e483b9f [2018-11-23 00:29:25,301 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:29:25,302 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/sv-benchmarks/c/loop-lit/gsv2008_true-unreach-call.c.i.v+lhb-reducer.c [2018-11-23 00:29:25,306 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/bin-2019/ukojak/data/c19c0007c/0aa0fee1e54b4be4b5d6305752e50fa6/FLAG75e483b9f [2018-11-23 00:29:25,314 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/bin-2019/ukojak/data/c19c0007c/0aa0fee1e54b4be4b5d6305752e50fa6 [2018-11-23 00:29:25,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:29:25,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:29:25,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:29:25,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:29:25,320 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:29:25,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:25" (1/1) ... [2018-11-23 00:29:25,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c8d80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:25, skipping insertion in model container [2018-11-23 00:29:25,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:25" (1/1) ... [2018-11-23 00:29:25,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:29:25,346 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:29:25,459 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:29:25,461 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:29:25,473 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:29:25,481 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:29:25,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:25 WrapperNode [2018-11-23 00:29:25,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:29:25,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:29:25,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:29:25,482 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:29:25,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:25" (1/1) ... [2018-11-23 00:29:25,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:25" (1/1) ... [2018-11-23 00:29:25,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:29:25,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:29:25,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:29:25,500 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:29:25,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:25" (1/1) ... [2018-11-23 00:29:25,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:25" (1/1) ... [2018-11-23 00:29:25,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:25" (1/1) ... [2018-11-23 00:29:25,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:25" (1/1) ... [2018-11-23 00:29:25,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:25" (1/1) ... [2018-11-23 00:29:25,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:25" (1/1) ... [2018-11-23 00:29:25,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:25" (1/1) ... [2018-11-23 00:29:25,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:29:25,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:29:25,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:29:25,512 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:29:25,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/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 00:29:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:29:25,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:29:25,675 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:29:25,675 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 00:29:25,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:25 BoogieIcfgContainer [2018-11-23 00:29:25,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:29:25,676 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:29:25,676 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:29:25,686 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:29:25,686 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:25" (1/1) ... [2018-11-23 00:29:25,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:29:25,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:29:25,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-11-23 00:29:25,715 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-11-23 00:29:25,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 00:29:25,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:29:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:29:25,832 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 00:29:25,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:29:25,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2018-11-23 00:29:25,917 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2018-11-23 00:29:25,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 00:29:25,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:29:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:29:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:29:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:29:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-11-23 00:29:26,072 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-11-23 00:29:26,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 00:29:26,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:29:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:29:26,110 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:29:26,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:29:26,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2018-11-23 00:29:26,243 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2018-11-23 00:29:26,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 00:29:26,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:29:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:29:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:29:26,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:29:26,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2018-11-23 00:29:26,448 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2018-11-23 00:29:26,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 00:29:26,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:29:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:29:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:29:26,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:29:26,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2018-11-23 00:29:26,582 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2018-11-23 00:29:26,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 00:29:26,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:29:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:29:26,654 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:29:26,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:29:26,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-11-23 00:29:26,787 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-11-23 00:29:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 00:29:26,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:29:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:29:26,850 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:29:27,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:29:27,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2018-11-23 00:29:27,001 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2018-11-23 00:29:27,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 00:29:27,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:29:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:29:27,070 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:29:27,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:29:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2018-11-23 00:29:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2018-11-23 00:29:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 00:29:27,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:29:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:29:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:29:27,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:29:27,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2018-11-23 00:29:27,416 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2018-11-23 00:29:27,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 00:29:27,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:29:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:29:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:29:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:29:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2018-11-23 00:29:27,616 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2018-11-23 00:29:27,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:29:27,616 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-23 00:29:27,623 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 00:29:27,706 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:29:27,708 INFO L579 CodeCheckObserver]: Invariant with dag size 31 [2018-11-23 00:29:27,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:29:27 ImpRootNode [2018-11-23 00:29:27,714 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:29:27,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:29:27,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:29:27,715 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:29:27,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:25" (3/4) ... [2018-11-23 00:29:27,718 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:29:27,723 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 00:29:27,723 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:29:27,753 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd3c0e9a-27db-41e1-8d90-6f4abdb676e4/bin-2019/ukojak/witness.graphml [2018-11-23 00:29:27,753 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:29:27,753 INFO L168 Benchmark]: Toolchain (without parser) took 2436.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:29:27,754 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:29:27,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.88 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:29:27,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.07 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:29:27,755 INFO L168 Benchmark]: Boogie Preprocessor took 11.52 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:29:27,755 INFO L168 Benchmark]: RCFGBuilder took 164.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:29:27,756 INFO L168 Benchmark]: CodeCheck took 2038.26 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.5 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:29:27,761 INFO L168 Benchmark]: Witness Printer took 38.19 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: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:29:27,762 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, 13 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5632 SDtfs, 5116 SDslu, 7160 SDs, 0 SdLazy, 20458 SolverSat, 7162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1451 GetRequests, 1274 SyntacticMatches, 117 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 17030 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/330 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: 52]: 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: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((main__x + 71 <= 6 * main__y || main__x + 51 <= main__y) || main__x + 105 <= 10 * main__y) || main__x + 60 <= 4 * main__y) || main__x + 86 <= 8 * main__y) || main__x + 53 <= 2 * main__y * 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.88 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.07 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.52 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 164.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 2038.26 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.5 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. * Witness Printer took 38.19 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: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...