./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/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 d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc ............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:56:46,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:56:46,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:56:46,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:56:46,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:56:46,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:56:46,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:56:46,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:56:46,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:56:46,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:56:46,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:56:46,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:56:46,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:56:46,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:56:46,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:56:46,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:56:46,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:56:46,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:56:46,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:56:46,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:56:46,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:56:46,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:56:46,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:56:46,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:56:46,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:56:46,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:56:46,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:56:46,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:56:46,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:56:46,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:56:46,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:56:46,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:56:46,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:56:46,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:56:46,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:56:46,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:56:46,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:56:46,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:56:46,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:56:46,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:56:46,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:56:46,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 08:56:46,260 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:56:46,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:56:46,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 08:56:46,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 08:56:46,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:56:46,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:56:46,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:56:46,262 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:56:46,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:56:46,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:56:46,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:56:46,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:56:46,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:56:46,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:56:46,263 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:56:46,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:56:46,263 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:56:46,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:56:46,264 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 08:56:46,264 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 08:56:46,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:56:46,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:56:46,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 08:56:46,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:56:46,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:56:46,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:56:46,265 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 08:56:46,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:56:46,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:56:46,266 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_f79f319a-f923-48dc-9138-8e2b3c5ce662/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 -> d7ee2ac819f7b75cfc0560bac3b8eea31e76c5dc [2019-11-20 08:56:46,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:56:46,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:56:46,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:56:46,476 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:56:46,476 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:56:46,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c [2019-11-20 08:56:46,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/bin/ukojak/data/1fff7a6ff/7b9b133d8a49433595055a2db575b4b8/FLAG1fc3b93de [2019-11-20 08:56:47,018 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:56:47,019 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/sv-benchmarks/c/eca-rers2012/Problem14_label55.c [2019-11-20 08:56:47,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/bin/ukojak/data/1fff7a6ff/7b9b133d8a49433595055a2db575b4b8/FLAG1fc3b93de [2019-11-20 08:56:47,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/bin/ukojak/data/1fff7a6ff/7b9b133d8a49433595055a2db575b4b8 [2019-11-20 08:56:47,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:56:47,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:56:47,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:56:47,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:56:47,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:56:47,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:56:47" (1/1) ... [2019-11-20 08:56:47,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464f5586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:47, skipping insertion in model container [2019-11-20 08:56:47,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:56:47" (1/1) ... [2019-11-20 08:56:47,394 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:56:47,464 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:56:47,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:56:48,002 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:56:48,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:56:48,166 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:56:48,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:48 WrapperNode [2019-11-20 08:56:48,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:56:48,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:56:48,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:56:48,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:56:48,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:48" (1/1) ... [2019-11-20 08:56:48,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:48" (1/1) ... [2019-11-20 08:56:48,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:56:48,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:56:48,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:56:48,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:56:48,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:48" (1/1) ... [2019-11-20 08:56:48,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:48" (1/1) ... [2019-11-20 08:56:48,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:48" (1/1) ... [2019-11-20 08:56:48,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:48" (1/1) ... [2019-11-20 08:56:48,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:48" (1/1) ... [2019-11-20 08:56:48,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:48" (1/1) ... [2019-11-20 08:56:48,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:48" (1/1) ... [2019-11-20 08:56:48,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:56:48,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:56:48,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:56:48,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:56:48,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:56:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/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 [2019-11-20 08:56:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:56:48,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:01:45,230 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:01:45,230 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 09:01:45,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:01:45 BoogieIcfgContainer [2019-11-20 09:01:45,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:01:45,232 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 09:01:45,233 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 09:01:45,241 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 09:01:45,242 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:01:45" (1/1) ... [2019-11-20 09:01:45,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:01:45,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:01:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-11-20 09:01:45,291 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-11-20 09:01:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 09:01:45,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:01:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:01:45,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:01:45,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-11-20 09:01:45,589 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-20 09:01:45,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 09:01:45,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:01:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:46,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:01:53,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:01:53,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-11-20 09:01:53,717 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-11-20 09:01:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 09:01:53,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:01:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:01:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:02:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:02:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2019-11-20 09:02:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2019-11-20 09:02:05,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 09:02:05,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:02:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:02:06,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:02:06,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:02:06,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2019-11-20 09:02:06,896 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2019-11-20 09:02:06,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 09:02:06,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:02:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:02:08,395 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2019-11-20 09:02:08,676 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2019-11-20 09:02:08,984 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 15 [2019-11-20 09:02:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:02:20,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:02:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2019-11-20 09:02:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2019-11-20 09:02:20,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 09:02:20,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:02:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:02:21,847 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:02:22,396 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-11-20 09:02:32,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:02:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 86 transitions. [2019-11-20 09:02:32,854 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2019-11-20 09:02:32,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 09:02:32,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:02:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:02:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:02:34,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:02:34,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2019-11-20 09:02:34,570 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2019-11-20 09:02:34,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 09:02:34,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:02:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:02:36,205 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 30 [2019-11-20 09:02:37,128 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 30 [2019-11-20 09:02:37,373 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 29 [2019-11-20 09:02:37,526 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:02:39,089 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2019-11-20 09:03:01,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:03:01,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 83 transitions. [2019-11-20 09:03:01,888 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 83 transitions. [2019-11-20 09:03:01,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:03:01,889 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2019-11-20 09:03:01,897 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 09:03:02,207 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-11-20 09:03:02,412 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2019-11-20 09:03:02,733 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-11-20 09:03:02,904 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2019-11-20 09:03:02,906 INFO L569 CodeCheckObserver]: Invariant with dag size 50 [2019-11-20 09:03:02,939 INFO L569 CodeCheckObserver]: Invariant with dag size 60 [2019-11-20 09:03:02,942 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:03:02,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 09:03:02 ImpRootNode [2019-11-20 09:03:02,943 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 09:03:02,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:03:02,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:03:02,944 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:03:02,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:01:45" (3/4) ... [2019-11-20 09:03:02,947 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:03:02,994 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2019-11-20 09:03:02,998 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-11-20 09:03:03,001 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 09:03:03,003 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:03:03,230 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f79f319a-f923-48dc-9138-8e2b3c5ce662/bin/ukojak/witness.graphml [2019-11-20 09:03:03,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:03:03,232 INFO L168 Benchmark]: Toolchain (without parser) took 375861.92 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 353.4 MB). Free memory was 939.4 MB in the beginning and 1.0 GB in the end (delta: -87.5 MB). Peak memory consumption was 265.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:03:03,232 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:03:03,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:03:03,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.86 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:03:03,233 INFO L168 Benchmark]: Boogie Preprocessor took 132.50 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 09:03:03,234 INFO L168 Benchmark]: RCFGBuilder took 296808.85 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 34.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.8 MB). Peak memory consumption was 386.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:03:03,234 INFO L168 Benchmark]: CodeCheck took 77710.55 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 200.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -56.4 MB). Peak memory consumption was 143.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:03:03,235 INFO L168 Benchmark]: Witness Printer took 287.34 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:03:03,238 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: 76.6s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1744 SDtfs, 3540 SDslu, 2464 SDs, 0 SdLazy, 10740 SolverSat, 1908 SolverUnsat, 92 SolverUnknown, 0 SolverNotchecked, 205.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1143 GetRequests, 950 SyntacticMatches, 47 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12641 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 35056 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 0/122 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: 175]: 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: (((((((!(a24 == 1) && a12 + 49 <= 0) || (0 <= a12 + 49 && a12 + 49 <= 0)) || a21 == 10 || a21 == 9) || (!(8 == a15) && a12 + 49 <= 0)) || (a12 + 49 <= 0 && !(a21 == 7))) || (0 < a12 + 49 && 8 == a15)) || (((!(a21 == 6) || !(a24 == 1)) || a12 <= 599999) && !((((!(a15 == 9) || (a21 == 7 && 82 <= a12)) || a21 == 10) || a21 == 8) || a21 == 9))) || (((((a21 == 6 || a15 == 5) || a21 == 8) || a15 == 9) || a15 == 6) && ((((!(a15 == 9) || (a21 == 7 && 82 <= a12)) || a21 == 10) || a21 == 8) || a21 == 9)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((((a21 == 6 || a15 == 8) || a21 == 8) || a15 == 9) || a21 == 9) || a15 == 6) && 0 < a12 + 49) && ((((!(a15 == 9) || (a21 == 7 && 80 < a12)) || a21 == 10) || a21 == 8) || a21 == 9)) || (!(a24 == 1) && a12 + 49 <= 0)) || a21 == 10 || a15 == 5) || (((!(a21 == 6) || !(a24 == 1)) || a12 <= 599999) && !((((!(a15 == 9) || (a21 == 7 && 80 < a12)) || a21 == 10) || a21 == 8) || a21 == 9))) || ((0 <= a12 + 49 && (((((2 == input || 4 == input) || 3 == input) || 6 == input) || 1 == input) || 5 == input)) && a12 + 49 <= 0)) || (!(8 == a15 && a21 == 7) && a12 + 49 <= 0) - 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 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 794.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 122.86 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 132.50 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 296808.85 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 34.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.8 MB). Peak memory consumption was 386.5 MB. Max. memory is 11.5 GB. * CodeCheck took 77710.55 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 200.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -56.4 MB). Peak memory consumption was 143.8 MB. Max. memory is 11.5 GB. * Witness Printer took 287.34 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...