./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label00_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label00_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/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 4bee55207936bfc858217d6eb21ff7cffafc0723 ......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:44:28,059 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:44:28,060 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:44:28,067 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:44:28,067 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:44:28,067 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:44:28,068 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:44:28,069 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:44:28,069 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:44:28,070 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:44:28,070 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:44:28,070 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:44:28,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:44:28,071 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:44:28,072 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:44:28,072 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:44:28,072 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:44:28,073 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:44:28,074 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:44:28,075 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:44:28,075 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:44:28,076 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:44:28,077 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:44:28,077 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:44:28,077 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:44:28,078 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:44:28,078 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:44:28,078 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:44:28,079 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:44:28,079 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:44:28,080 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:44:28,080 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:44:28,080 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:44:28,080 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:44:28,081 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:44:28,081 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:44:28,081 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 16:44:28,088 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:44:28,088 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:44:28,089 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:44:28,089 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 16:44:28,089 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 16:44:28,089 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 16:44:28,090 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:44:28,090 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:44:28,090 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:44:28,090 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:44:28,090 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:44:28,090 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:44:28,090 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:44:28,090 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:44:28,090 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:44:28,090 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:44:28,090 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 16:44:28,090 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:44:28,091 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 16:44:28,091 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 16:44:28,091 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:44:28,091 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:44:28,091 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 16:44:28,091 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:44:28,091 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:44:28,091 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:44:28,091 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 16:44:28,091 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:44:28,091 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:44:28,091 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_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/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 -> 4bee55207936bfc858217d6eb21ff7cffafc0723 [2018-12-09 16:44:28,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:44:28,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:44:28,120 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:44:28,122 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:44:28,122 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:44:28,122 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label00_true-unreach-call_false-termination.c [2018-12-09 16:44:28,160 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/bin-2019/ukojak/data/d38f4bd61/cf24cb003cb74b96a526bf5ec4fbc534/FLAG974bdcd00 [2018-12-09 16:44:28,542 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:44:28,542 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/sv-benchmarks/c/eca-rers2012/Problem14_label00_true-unreach-call_false-termination.c [2018-12-09 16:44:28,550 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/bin-2019/ukojak/data/d38f4bd61/cf24cb003cb74b96a526bf5ec4fbc534/FLAG974bdcd00 [2018-12-09 16:44:28,559 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/bin-2019/ukojak/data/d38f4bd61/cf24cb003cb74b96a526bf5ec4fbc534 [2018-12-09 16:44:28,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:44:28,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:44:28,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:44:28,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:44:28,565 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:44:28,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:44:28" (1/1) ... [2018-12-09 16:44:28,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355d8d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:28, skipping insertion in model container [2018-12-09 16:44:28,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:44:28" (1/1) ... [2018-12-09 16:44:28,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:44:28,601 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:44:28,803 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:44:28,806 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:44:28,867 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:44:28,916 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:44:28,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:28 WrapperNode [2018-12-09 16:44:28,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:44:28,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:44:28,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:44:28,918 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:44:28,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:28" (1/1) ... [2018-12-09 16:44:28,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:28" (1/1) ... [2018-12-09 16:44:28,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:44:28,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:44:28,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:44:28,967 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:44:28,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:28" (1/1) ... [2018-12-09 16:44:28,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:28" (1/1) ... [2018-12-09 16:44:28,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:28" (1/1) ... [2018-12-09 16:44:28,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:28" (1/1) ... [2018-12-09 16:44:28,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:28" (1/1) ... [2018-12-09 16:44:28,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:28" (1/1) ... [2018-12-09 16:44:29,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:28" (1/1) ... [2018-12-09 16:44:29,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:44:29,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:44:29,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:44:29,006 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:44:29,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:44:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/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 [2018-12-09 16:44:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:44:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:50:21,355 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:50:21,355 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 16:50:21,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:50:21 BoogieIcfgContainer [2018-12-09 16:50:21,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:50:21,356 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 16:50:21,356 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 16:50:21,362 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 16:50:21,362 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:50:21" (1/1) ... [2018-12-09 16:50:21,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:50:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:50:21,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 16:50:21,390 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 16:50:21,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 16:50:21,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:50:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:50:21,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:50:21,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:50:21,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-09 16:50:21,543 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-09 16:50:21,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 16:50:21,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:50:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:50:21,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:50:22,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:50:22,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-12-09 16:50:22,132 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-12-09 16:50:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 16:50:22,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:50:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:50:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:50:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:50:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2018-12-09 16:50:33,290 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2018-12-09 16:50:33,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 16:50:33,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:50:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:50:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:50:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:50:33,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2018-12-09 16:50:33,779 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2018-12-09 16:50:33,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 16:50:33,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:50:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:50:34,545 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 45 [2018-12-09 16:50:34,683 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:50:55,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:50:55,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 41 states and 85 transitions. [2018-12-09 16:50:55,870 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 85 transitions. [2018-12-09 16:50:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 16:50:55,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:50:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:50:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:51:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:51:16,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 95 transitions. [2018-12-09 16:51:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 95 transitions. [2018-12-09 16:51:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 16:51:16,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:51:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:51:17,547 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:51:18,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:51:18,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 109 transitions. [2018-12-09 16:51:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 109 transitions. [2018-12-09 16:51:18,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 16:51:18,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:51:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:51:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:51:29,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:51:29,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 55 states and 111 transitions. [2018-12-09 16:51:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 111 transitions. [2018-12-09 16:51:29,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 16:51:29,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:51:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:51:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:51:31,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:51:31,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 59 states and 118 transitions. [2018-12-09 16:51:31,243 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 118 transitions. [2018-12-09 16:51:31,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 16:51:31,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:51:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:51:32,007 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:51:32,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:51:32,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2018-12-09 16:51:32,261 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2018-12-09 16:51:32,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 16:51:32,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:51:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:51:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:51:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:51:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 70 states and 135 transitions. [2018-12-09 16:51:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 135 transitions. [2018-12-09 16:51:34,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 16:51:34,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:51:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:51:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 16:51:35,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:51:35,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 63 states and 126 transitions. [2018-12-09 16:51:35,730 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 126 transitions. [2018-12-09 16:51:35,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 16:51:35,731 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-12-09 16:51:35,736 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 16:51:35,975 INFO L583 CodeCheckObserver]: Invariant with dag size 14 [2018-12-09 16:51:35,981 INFO L583 CodeCheckObserver]: Invariant with dag size 14 [2018-12-09 16:51:35,981 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 16:51:35,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:51:35 ImpRootNode [2018-12-09 16:51:35,982 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 16:51:35,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:51:35,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:51:35,982 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:51:35,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:50:21" (3/4) ... [2018-12-09 16:51:35,984 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 16:51:35,996 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-12-09 16:51:35,996 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 16:51:35,997 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 16:51:35,998 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 16:51:36,066 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3f0adb68-b133-4cbb-a4a4-bff12f1a54cb/bin-2019/ukojak/witness.graphml [2018-12-09 16:51:36,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:51:36,067 INFO L168 Benchmark]: Toolchain (without parser) took 427505.63 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 532.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 368.0 MB. Max. memory is 11.5 GB. [2018-12-09 16:51:36,067 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:51:36,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. [2018-12-09 16:51:36,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.53 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 16:51:36,068 INFO L168 Benchmark]: Boogie Preprocessor took 39.31 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 16:51:36,068 INFO L168 Benchmark]: RCFGBuilder took 352349.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 37.2 MB). Free memory was 1.1 GB in the beginning and 802.4 MB in the end (delta: 283.8 MB). Peak memory consumption was 384.0 MB. Max. memory is 11.5 GB. [2018-12-09 16:51:36,068 INFO L168 Benchmark]: CodeCheck took 74625.89 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 385.9 MB). Free memory was 802.4 MB in the beginning and 1.1 GB in the end (delta: -331.8 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2018-12-09 16:51:36,068 INFO L168 Benchmark]: Witness Printer took 84.32 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 16:51:36,069 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, 74.3s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25668 SDtfs, 50864 SDslu, 34952 SDs, 0 SdLazy, 174092 SolverSat, 29888 SolverUnsat, 1824 SolverUnknown, 0 SolverNotchecked, 461.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2375 GetRequests, 2009 SyntacticMatches, 174 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29775 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 92520 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 14/430 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: 163]: 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: 880]: Loop Invariant Derived loop invariant: (!(a21 == 7) || !(a15 == 5)) || 0 <= a12 + 42 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (0 <= a12 + 42 || !(a21 == 7)) || !(a15 == 5) - 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 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.53 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.31 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 352349.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 37.2 MB). Free memory was 1.1 GB in the beginning and 802.4 MB in the end (delta: 283.8 MB). Peak memory consumption was 384.0 MB. Max. memory is 11.5 GB. * CodeCheck took 74625.89 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 385.9 MB). Free memory was 802.4 MB in the beginning and 1.1 GB in the end (delta: -331.8 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. * Witness Printer took 84.32 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...