./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cbdb653cfcf101dac558ea109da390cc04b5e9b8 ............................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 05:53:20,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 05:53:20,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 05:53:20,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 05:53:20,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 05:53:20,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 05:53:20,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 05:53:20,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 05:53:20,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 05:53:20,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 05:53:20,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 05:53:20,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 05:53:20,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 05:53:20,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 05:53:20,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 05:53:20,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 05:53:20,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 05:53:20,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 05:53:20,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 05:53:20,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 05:53:20,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 05:53:20,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 05:53:20,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 05:53:20,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 05:53:20,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 05:53:20,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 05:53:20,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 05:53:20,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 05:53:20,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 05:53:20,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 05:53:20,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 05:53:20,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 05:53:20,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 05:53:20,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 05:53:20,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 05:53:20,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 05:53:20,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 05:53:20,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 05:53:20,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 05:53:20,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 05:53:20,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 05:53:20,402 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 05:53:20,411 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 05:53:20,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 05:53:20,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 05:53:20,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 05:53:20,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 05:53:20,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 05:53:20,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 05:53:20,413 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 05:53:20,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 05:53:20,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 05:53:20,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 05:53:20,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 05:53:20,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 05:53:20,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 05:53:20,414 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 05:53:20,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 05:53:20,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 05:53:20,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 05:53:20,414 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 05:53:20,415 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 05:53:20,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 05:53:20,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 05:53:20,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 05:53:20,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 05:53:20,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 05:53:20,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 05:53:20,416 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 05:53:20,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 05:53:20,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 05:53:20,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbdb653cfcf101dac558ea109da390cc04b5e9b8 [2019-12-02 05:53:20,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 05:53:20,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 05:53:20,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 05:53:20,524 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 05:53:20,524 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 05:53:20,525 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c [2019-12-02 05:53:20,562 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak/data/41d81c061/97ce80c706084285a8bd17269ba8033e/FLAGf56da8f1b [2019-12-02 05:53:21,057 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 05:53:21,058 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/sv-benchmarks/c/eca-rers2012/Problem14_label26.c [2019-12-02 05:53:21,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak/data/41d81c061/97ce80c706084285a8bd17269ba8033e/FLAGf56da8f1b [2019-12-02 05:53:21,076 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak/data/41d81c061/97ce80c706084285a8bd17269ba8033e [2019-12-02 05:53:21,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 05:53:21,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 05:53:21,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 05:53:21,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 05:53:21,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 05:53:21,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:53:21" (1/1) ... [2019-12-02 05:53:21,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5972f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:21, skipping insertion in model container [2019-12-02 05:53:21,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:53:21" (1/1) ... [2019-12-02 05:53:21,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 05:53:21,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 05:53:21,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:53:21,381 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 05:53:21,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:53:21,459 INFO L208 MainTranslator]: Completed translation [2019-12-02 05:53:21,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:21 WrapperNode [2019-12-02 05:53:21,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 05:53:21,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 05:53:21,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 05:53:21,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 05:53:21,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:21" (1/1) ... [2019-12-02 05:53:21,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:21" (1/1) ... [2019-12-02 05:53:21,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 05:53:21,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 05:53:21,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 05:53:21,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 05:53:21,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:21" (1/1) ... [2019-12-02 05:53:21,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:21" (1/1) ... [2019-12-02 05:53:21,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:21" (1/1) ... [2019-12-02 05:53:21,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:21" (1/1) ... [2019-12-02 05:53:21,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:21" (1/1) ... [2019-12-02 05:53:21,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:21" (1/1) ... [2019-12-02 05:53:21,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:21" (1/1) ... [2019-12-02 05:53:21,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 05:53:21,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 05:53:21,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 05:53:21,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 05:53:21,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:53:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 05:53:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 05:53:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 05:57:50,298 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 05:57:50,298 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-02 05:57:50,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:57:50 BoogieIcfgContainer [2019-12-02 05:57:50,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 05:57:50,300 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 05:57:50,300 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 05:57:50,308 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 05:57:50,308 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:57:50" (1/1) ... [2019-12-02 05:57:50,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 05:57:50,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:57:50,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-02 05:57:50,336 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-02 05:57:50,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 05:57:50,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:57:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:57:50,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:57:50,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:57:50,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-02 05:57:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-02 05:57:50,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 05:57:50,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:57:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:57:50,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:57:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:57:51,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2019-12-02 05:57:51,220 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2019-12-02 05:57:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 05:57:51,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:57:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:57:51,765 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:58:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:58:02,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2019-12-02 05:58:02,545 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2019-12-02 05:58:02,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 05:58:02,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:58:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:58:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:58:02,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:58:02,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2019-12-02 05:58:02,949 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2019-12-02 05:58:02,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:58:02,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:58:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:58:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 05:58:04,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:58:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2019-12-02 05:58:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2019-12-02 05:58:04,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 05:58:04,193 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-12-02 05:58:04,199 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 05:58:04,435 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2019-12-02 05:58:04,443 INFO L569 CodeCheckObserver]: Invariant with dag size 51 [2019-12-02 05:58:04,446 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 05:58:04,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:58:04 ImpRootNode [2019-12-02 05:58:04,446 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 05:58:04,446 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 05:58:04,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 05:58:04,447 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 05:58:04,447 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:57:50" (3/4) ... [2019-12-02 05:58:04,449 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 05:58:04,467 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 216 nodes and edges [2019-12-02 05:58:04,469 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-02 05:58:04,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-02 05:58:04,473 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 05:58:04,570 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c0522012-8d90-4169-aa95-94bdbab3953e/bin/ukojak/witness.graphml [2019-12-02 05:58:04,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 05:58:04,572 INFO L168 Benchmark]: Toolchain (without parser) took 283492.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 938.1 MB in the beginning and 895.2 MB in the end (delta: 43.0 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. [2019-12-02 05:58:04,572 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:58:04,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -106.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-12-02 05:58:04,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-12-02 05:58:04,573 INFO L168 Benchmark]: Boogie Preprocessor took 55.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-12-02 05:58:04,573 INFO L168 Benchmark]: RCFGBuilder took 268715.56 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.4 MB). Free memory was 1.0 GB in the beginning and 871.0 MB in the end (delta: 156.2 MB). Peak memory consumption was 345.4 MB. Max. memory is 11.5 GB. [2019-12-02 05:58:04,573 INFO L168 Benchmark]: CodeCheck took 14146.58 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 12.6 MB). Free memory was 871.0 MB in the beginning and 923.5 MB in the end (delta: -52.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:58:04,574 INFO L168 Benchmark]: Witness Printer took 123.66 ms. Allocated memory is still 1.2 GB. Free memory was 923.5 MB in the beginning and 895.2 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2019-12-02 05:58:04,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 13.8s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 180 SDtfs, 354 SDslu, 232 SDs, 0 SdLazy, 996 SolverSat, 194 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 31.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 485 GetRequests, 421 SyntacticMatches, 14 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1240 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 7388 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 202]: 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: (((12 <= a12 || a12 + 43 <= 0) || !(a21 == 8)) || !(a24 == 1)) || !(a15 == 6) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((!(((a15 == 8 && a24 == 1) && a21 == 7) && a12 + 49 <= 0) && (((a15 == 8 || a21 == 10) || a15 == 5) || a15 == 9)) || ((((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input) && a12 + 49 <= 0)) || (((((a12 + 43 <= 0 || 11 < a12) || !(a21 == 8)) || !(a24 == 1)) || !(a15 == 6)) && !(((a15 == 8 || a21 == 10) || a15 == 5) || a15 == 9)) - 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 380.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.1 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -106.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 268715.56 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.4 MB). Free memory was 1.0 GB in the beginning and 871.0 MB in the end (delta: 156.2 MB). Peak memory consumption was 345.4 MB. Max. memory is 11.5 GB. * CodeCheck took 14146.58 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 12.6 MB). Free memory was 871.0 MB in the beginning and 923.5 MB in the end (delta: -52.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 123.66 ms. Allocated memory is still 1.2 GB. Free memory was 923.5 MB in the beginning and 895.2 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...